KYLE, Texas — Kenney Blewett was diagnosed with lung disease more than a decade ago but started experiencing flare-ups this year that made him feel like he couldn’t breathe.

Blewett described those flare-ups as “the scariest thing in the world,” said his wife, Cindy, adding that while the episodes typically lasted no more than a few minutes, they had become more frequent.

On top of that, simple tasks, like taking out the trash, left Blewett winded. He rarely left the house and had recently lost 45 pounds. “That sounds like cancer,” Cindy remembered one of his doctors said. It was clear, she said, that her husband’s poor health, tied to decades of smoking, was getting worse.

That’s why, on June 2, Blewett’s pulmonologist wrote him a prescription for a new medication to improve the terrifying breathing issues caused by chronic obstructive pulmonary disease, or COPD. But the prescription wasn’t immediately filled. Two days after that doctor appointment, Blewett received an email from Walgreens explaining that, “due to an insurance issue that we’re working to resolve,” the medication was delayed.

“He was hopeful that it would work,” Cindy said of the drug, two months after her husband’s death. “I wish we had the chance to find out.”

Insurance delays and denials have become an infamous feature of the American healthcare system, with nearly 7 in 10 adults calling them “a major problem,” in a January KFF Health Tracking Poll.

In June 2025, six months after UnitedHealthcare’s CEO was shot in New York, the Trump administration announced a highly publicized industry pledge, signed by dozens of major health insurers, to remove some of the barriers that block or delay patients from accessing doctor-recommended care. And yet that pledge was voluntary, and it carries no penalties if companies fail to comply. Indeed, a report published by KFF Health News in July found that some insurers that signed the pledge would not implement all the promised initiatives as originally outlined.

Insurers Hedge on Trump-Backed Pledge To Improve Denials Process

Last year, the Trump administration announced a voluntary pledge by dozens of insurers to improve prior authorization, which often requires patients to seek approval before treatments. But prior authorization remains commonplace, and there’s no evidence the government is trying to hold insurers to account.

In recent years, lawmakers in most states, including Texas, have attempted to address delays and denials by regulating the insurance industry in the absence of substantial federal reform. But most health insurance plans, including traditional Medicare policies and employer-sponsored offerings, which together cover more than half of all Americans, typically aren’t under state jurisdiction.

Even some medical office staff and pharmacy employees find the patchwork of state and federal insurance rules and regulations confusing, a problem that is poised to become more complicated as artificial intelligence plays a larger role in approving and processing claims.

“It’s just gotten completely out of hand,” said Matt Toresco, CEO of Archō, a patient advocacy and consulting company. He argued that patients need more assistance facing insurance hurdles.

The Blewetts’ story illustrates how navigating these complexities remains a herculean task for patients and their caregivers.

Cindy has sought answers from Medicare; Kenney’s private Part D drug plan; his pulmonologist’s office; and Walgreens. She still has questions about who was responsible for the medication delay and how the holdup could have been prevented.

If the COPD flare-up Blewett experienced on the afternoon of Sunday, June 7, could have been avoided, she wondered, would he still have chosen to die by suicide that night?

‘Complex and Convoluted’

During that first week of June, Cindy said her husband repeatedly asked if his prescription — a liquid medication meant to be inhaled through the nebulizer machine Kenney owned — was ready to be picked up from Walgreens.

Cindy said she wasn’t initially surprised or worried by the delay. Since its acquisition by a private equity firm last year, Walgreens has cut thousands of jobs across the country, according to the Private Equity Stakeholder Project. Cindy said in August that their Walgreens pharmacy in Kyle seemed to her to have been understaffed for months, and that prescriptions were being filled more slowly.

When Cindy called the pharmacy a few days after Kenney’s appointment to find out more about the insurance delay, she said, a Walgreens employee told her the prescription required prior authorization. Also called preapproval or precertification, prior authorization is a practice widely used by health insurers that requires medical providers to seek permission before their patients may receive covered treatment.

But Cindy didn’t know which of Kenney’s insurers required prior authorization for this medication.

For years, she had helped manage multiple policies on behalf of her husband. Kenney was insured by Medicare parts A and B, the federal health insurance program for people 65 and older or with disabilities. But he also had a private Part D plan to cover drug costs through Wellcare Value Script, as well as a Medicare supplement plan through Blue Cross and Blue Shield of Texas — also called a “Medigap” plan — that paid for other out-of-pocket costs.

Initially, Cindy assumed that Kenney’s Part D plan had invoked prior authorization for his new medication. But because it was a liquid that is inhaled through a nebulizer machine, this drug was one of relatively few covered by Medicare Part B’s durable medical equipment benefit, not Part D.

The federal government had no record showing that this prescription had been billed to Kenney’s Part B policy, the Medicare agency told Cindy over the phone, she said.

Sarah Tanner and Myriea Amaya, spokespeople for Centene, Wellcare Value Script’s parent company, would not answer questions for this article.

After Kenney’s death, when Blewett sought clarification at the Walgreens pharmacy, she said the employee “kept saying different things.” She recalled his explaining that the prescription was submitted to Medicare Part B but without a necessary diagnostic code that the doctor should have included.

Carmen Lopez, a spokesperson for Walgreens, told KFF Health News in late September that the company “cannot comment on matters involving specific individuals.”

Subsequently, Cindy said, a district pharmacy supervisor for Walgreens reached out by phone, and told her the pharmacy tried to process the prescription through Part B on June 2, the same day as the pulmonologist appointment, but that the prescription was missing a diagnostic code from the physician. The supervisor said Walgreens sent a request for that code to the pulmonologist’s office later that day, Cindy recalled.

Kenney’s pulmonologist — Rajesh Shetty of LungDocs — did not respond to phone or email messages from KFF Health News. But Cindy said an employee at the practice told her they did not see a fax from Walgreens asking for a diagnostic code for the prescription.

Meanwhile, it couldn’t have been an issue with Kenney’s Medigap plan, since those policies don’t require prior authorization.

“Short of getting attorneys involved,” Cindy said, “I’m not sure how to find out what really happened.”

More Red Tape Ahead

Confusion surrounding these Part B and Part D distinctions is common, said Mike Hess, senior director of advocacy and regulatory affairs at the nonprofit COPD Foundation. “Medicare has gotten to be so complex and convoluted over the years,” he said, that even medical office staff and pharmacy employees often misunderstand the nuances.

And with the introduction of AI to the preapproval process, navigating insurance hurdles will likely get more complex for Medicare beneficiaries, doctors say.

Historically, traditional Medicare, unlike Medicare Advantage, used prior authorization sparingly. But in January, Medicare launched a pilot program in six states — Arizona, New Jersey, Ohio, Oklahoma, Texas, and Washington — testing the use of AI to preapprove some healthcare services.

It is intended to “root out waste in Original Medicare,” CMS Administrator Mehmet Oz has said, but physicians and patients say the program is creating more red tape for Medicare beneficiaries and leading to inappropriate denials. The pilot program does not currently impose prior authorization requirements on COPD medications, but industry experts expect the scope of the initiative will grow to include more services and states.

On the night of June 7, hours after her husband’s last COPD flare-up, Cindy Blewett was sitting on their back porch when she heard a loud noise. She assumed a picture had fallen off the wall in the living room. In fact, it was a gunshot. She discovered Kenney’s body in their bedroom.

“I can’t tell you how horrible it was,” Cindy said.

She said her husband had struggled with his mental health for a long time and had attempted suicide once before, years ago. His deteriorating health only made things worse, she said.

Kenney confirmed that much in a note he left. He told Cindy that she was a wonderful wife, mother, and grandmother but that his health was too poor to continue living.

A second COPD medication, which his pulmonologist ordered directly from the drug manufacturer during the June 2 appointment, arrived several weeks after Kenney’s suicide, she said.

“Perhaps, just perhaps,” Cindy said, “if he had received both medications in a timely manner, he would be here today, and we would have had many more years together.”

Do you have an experience with prior authorization you’d like to share? Click here to tell KFF Health News your story.

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No one asked what he was taking. No one asked why he stood sideways in the bathroom mirror every morning, pulling up his shirt and frowning. And no one noticed that his heart rate was lower than it should have been for a boy his age.

Dalton is a composite, drawn from the stories of many families. But what happened to him, and what didn’t happen, is real. It’s happening in homes across the country.

It Was Never Only a Girls’ Problem

For decades, when we talked about body image, eating disorders, and the harm done by images in the media, we talked about girls. Girls were the ones being told to be thinner, and girls were the ones being admitted to hospitals. Parents, physicians, and schools learned to watch girls for trouble.

Boys were left out of that conversation, and they’re still being hurt by it.

In Ontario, Canada, researchers studied more than 11,600 hospital stays for eating disorders in children and teens between 2002 and 2019. For boys, hospital stays rose by more than 400%. For every boy sick enough to need a hospital bed, many more are struggling where no one sees it.

Part of the reason is the way we look for trouble. In 2020, researchers who reviewed what’s known about eating disorders in boys and young men found that the screening tools physicians use were mostly designed with girls in mind. They ask about wanting to be thinner, not about wanting to be bigger. A boy with a serious problem can answer every question the “right” way and never be flagged. The same review found that treatment programs were also built mostly for girls, and boys may do worse in them as a result.

That’s the main problem. Boys’ body worries usually center on muscle, not thinness. So a boy in real danger can look like a boy in great shape.

What Boys Learn, and What They Buy

Boys learn early what kind of body earns respect. They see it in superhero movies, in older boys at school, and in grown men joking about getting “shredded.” They learn that this body is what they should work toward, even if it costs them their health. And now they see that message on their phones every day.

In 2025, Common Sense Media surveyed more than 1,000 boys ages 11 to 17 across the United States. Nine out of ten said they see messages about body image online. About two out of three of the boys who saw content about how men should look and act said it showed up in their feeds without them searching for it. About 1 in 4 said social media makes them feel they should change how they look.

Boys don’t just watch. They act. A University of Minnesota study of nearly 2,800 middle and high school students found that more than 90% of the boys had exercised more in the past year to build muscle. More than one-third had used protein powders or shakes, and nearly 6% said they had used steroids. These were ordinary kids, not top athletes.

The influencers boys follow often make money from what they promote. Many earn a share of every protein powder or fat burner sold with their discount codes. Some push far more dangerous products. In 2023, the Center for Countering Digital Hate found that TikTok videos promoting steroids and similar drugs under certain hashtags had been viewed up to 587 million times in the United States over three years. The group also found 35 influencers on the app linking to websites that sold these drugs.

The harm is real. Researchers at the University of Toronto found that more than 1 in 4 boys and young men in a national Canadian sample had symptoms of muscle dysmorphia strong enough to be of real concern. Muscle dysmorphia is a condition in which a young man believes he’s small and weak, even when he isn’t. Most boys who have it have never heard its name.

The products carry their own risks. A study published in the New England Journal of Medicine estimated that supplements send about 23,000 people in the United States to the emergency room each year, with weight-loss and energy products among the most common causes.

Why Parents and Physicians Miss the Signs

When a boy is in trouble with his body, his trouble often looks like success. A boy who works out every day seems disciplined. A boy who eats “clean” seems healthy. A boy who drinks protein shakes seems like every other kid on the team. Adults praise these habits. And boys are taught not to talk about their feelings, so a boy who feels ashamed keeps it to himself.

Physicians aren’t always asking, either. In 2025, a survey of more than 800 Canadian pediatric specialists found that 17% had seen at least one young patient in the past year who needed medical care because of a performance-enhancing supplement or drug.8 Most of those patients were boys, and almost a third were only 10 to 12 years old. Yet more than half of the physicians surveyed said they never asked their young patients about these products.

The stakes are high. In the United States, men die by suicide at about four times the rate of women. Boys and men are less likely than girls and women to ask for help.

So what can we do? Parents can learn the signs. Watch for a boy who panics when he misses a workout, trains through injuries, follows strict food rules, spends long periods checking his body in the mirror, skips family meals, or has powders and pills you don’t recognize. Talk with him about health and strength, not size. Ask what he’s watching and whom he trusts online. And make a simple family rule: before he takes anything meant to change his body, he talks to you, and ideally to his physician, first.

Physicians need training to look for danger in boys, not just girls. At every checkup, they can ask boys two simple questions: “What are you doing to change your body?” and “Are you taking anything to build muscle or lose fat?” They can compare heart rate, growth, and weight with earlier visits. And they can take a parent’s worry seriously, even when the boy in the exam room looks strong.

If you’re worried about a boy and feel brushed aside, it’s okay to ask for a second opinion or a referral to a specialist in adolescent medicine or eating disorders. If a boy you love is struggling or talks about hurting himself, call or text 988 to reach the 988 Suicide and Crisis Lifeline.

Boys aren’t less at risk than girls. They’ve simply been overlooked. It’s time we changed that.

I’ve written much more about this in my new book, “Built to Be Seen: How Influencers and Supplement Sellers Endanger Boys and Young Men.” It’s a short read, a 74-page paperback to be published shortly on Amazon, written in plain language for parents, coaches, teachers, and young men themselves. It explains how social media finds boys, what’s really in the supplement aisle, the dangers of steroids and online testosterone clinics, and the warning signs to watch for.

The post Boys Are Risking Their Health to Look Like Influencers, and Almost No One Is Checking appeared first on Medika Life.

This is the world that reproductive psychiatry tries to fix. It is the branch of medicine that treats mental health problems tied to pregnancy, childbirth, and the months after birth. It covers depression, severe anxiety, panic attacks, obsessive thoughts about the baby’s safety, bipolar disorder, and the rare but severe break from reality called postpartum psychosis.

Roughly one in five pregnant and postpartum women deal with some kind of mental health condition, from anxiety to depression to more severe illness. Yet only about one in four women with postpartum depression symptoms ever gets a diagnosis, and about half of those get no treatment at all.

For years, physicians and hospitals focused mostly on physical dangers like blood loss during birth. Nurses were trained to watch a mother’s blood pressure, bleeding, and vital signs, but not always her mood, sleep, or thoughts. The numbers now tell a different story, and it is not a comfortable one.

A Killer Hiding in Plain Sight

Federal health reviewers looked closely at deaths connected to pregnancy across dozens of states. Mental health conditions, including suicide and drug overdose, caused close to a quarter of those deaths. Suicide alone accounted for nearly a third of the mental health-related deaths in the most recent review.

A separate large study presented to maternal health doctors went even further. It found that homicide and suicide combined were the single leading cause of death among pregnant and postpartum women, ahead of every physical complication doctors traditionally worry about, including bleeding and high blood pressure.

The danger is not shared equally. Black mothers between the ages of eighteen and twenty-four die from violence during pregnancy and the months after birth at nearly four times the national rate. Researchers also found that states with stronger gun laws saw meaningfully fewer of these violent deaths, suggesting that policy choices outside the hospital walls still shape what happens inside it.

Most of these deaths did not have to happen. Review boards that study them in detail found that the overwhelming majority were preventable, with earlier warning, better screening, or faster access to care. That finding sits at the center of why reproductive psychiatry matters. It is not a small corner of medicine. It is a matter of life and death for young families, and it has been treated as an afterthought for far too long.

When the Warning Signs Are Missed

One of the most frightening conditions in this field is postpartum psychosis. It is rare, striking roughly one or two mothers out of every thousand births, but it can move fast and turn deadly within days. A woman can go from mild sleep trouble to hearing voices or believing things that are not true in hours.

Studies show that a meaningful share of mothers with untreated postpartum psychosis will attempt suicide, and a smaller number will harm their child. Physicians and advocates who work in this space are clear about one thing. Postpartum psychosis is a medical emergency, and with fast, proper treatment, most mothers recover fully.

This condition drew national attention when a Massachusetts nurse named Lindsay Clancy went on trial after the deaths of her three young children. Her attorneys argued that severe, untreated postpartum psychosis, not any intent to harm, drove her actions that day. The trial ended without a verdict after jurors could not agree on whether she was criminally responsible. One juror held out in the case. The defense attorney has requested an investigation into his actions.

Physicians who study the condition say cases like hers expose a hard truth. There is no standard screening test for postpartum psychosis, the way there is for postpartum depression, so doctors and family members are often left guessing until symptoms become severe.

Warning signs can include not sleeping for several nights in a row, racing or jumbled thoughts, sudden confusion about what is real, and strange new beliefs about the baby. Legal experts add that courts rarely weigh a mother’s mental state fairly. Only one state currently allows undiagnosed or untreated postpartum psychosis to count in a mother’s favor during sentencing. The gap between what medicine knows about this illness and what the legal system recognizes remains wide. How do you find someone guilty of murder when the research is so limited and faulty, and the treatment is almost pure guesswork?

Confusion at the Pharmacy Counter

Reproductive psychiatry is also fighting a newer problem, public confusion over which medications are actually safe. In September 2025, federal health officials warned that Tylenol use during pregnancy might raise a child’s risk of autism, based on studies that many scientists consider far from settled. In the months that followed, emergency rooms saw pain medication orders for pregnant patients drop by about ten percent, even as new large studies kept finding no clear link between Tylenol and autism.

Antidepressants came under a similar kind of pressure. A federal advisory panel questioned the safety of these drugs during pregnancy, and several panel members claimed, without solid evidence, that the medications cause autism or do not work at all. Leading reproductive psychiatrists pushed back hard.

One new study tracked thousands of patients who had been taking antidepressants for depression or anxiety before becoming pregnant. Those who stopped their medication during pregnancy needed emergency mental health care far more often than those who stayed on it. Untreated depression on its own raises the risk of early birth and dangerous high blood pressure during pregnancy. Doctors in the field say there is no convincing evidence that antidepressants cause autism or birth defects.

This kind of public confusion often pushes women toward the riskier choice, going without needed treatment, out of fear of a smaller and far less certain risk. On top of the confusion, there simply aren’t enough specialists. It’s the same in geriatrics, where few specialists are available.

Many towns and even entire regions have no reproductive psychiatrist at all. To close that gap, hospitals and universities have started programs that let a family doctor or an obstetrician call a psychiatric expert for guidance on the spot, rather than sending every patient to a specialist who might be hours away. These access programs are growing, but they still reach only a fraction of the mothers who need them.

Reproductive psychiatry sits at a hard crossroads. The evidence is clear that mental health, not bleeding or high blood pressure, is now the greatest threat to mothers in the weeks surrounding childbirth. Yet screening tools remain incomplete, public trust has been shaken by conflicting claims from officials, and specialists are spread thin across a country where many families live far from real help.

The good news is that nearly everything described here responds to treatment. Depression and anxiety improve with therapy and medication. Even postpartum psychosis, as frightening as it is, gets better with fast psychiatric care. The real danger is rarely the illness itself. Silence, delay, and bad information often stand between a mother and the help she needs.

Family members often notice first that something is wrong. Physicians in this field give the same advice again and again. Do not wait. Do not assume the feeling will simply pass. And do not let fear over a medication rumor stand between a mother and the treatment that could save her life. A mother’s mental health is not a footnote to her physical recovery from childbirth. It is central to whether she and her baby come through this season of life safely.

The post When Having a Baby Becomes a Mental Health Emergency appeared first on Medika Life.

What Is Misophonia, Exactly?

The word misophonia comes from the Greek for “hatred of sound.” But that description sells it short. It isn’t simply an aversion to noise. It’s a disorder in which specific sounds, usually soft, repetitive, and made by another person, set off an intense chain reaction in the body and mind. Researchers define it as a condition characterized by strong emotional, physiological, and behavioral responses to sounds that most people barely notice.

The most common triggers include chewing, swallowing, lip smacking, slurping, throat clearing, sniffling, and breathing. Tapping on a keyboard, pen clicking, and the crinkle of a wrapper can also set it off. Some people also react to visual cues, such as watching someone’s jaw move, even without sound.

Estimates of how many people have misophonia vary, but multiple studies suggest that between 5% and 20% of the population experience symptoms significant enough to interfere with daily life. It often starts in childhood or early adolescence, with an average onset around age 12 to 13. It can persist for decades if left unaddressed.

What’s Happening in the Brain?

For a long time, people assumed this was a personality quirk or a sign of anxiety. New brain imaging research tells a very different story.

A landmark study published in Human Brain Mapping in early 2026 examined brain scans from 939 adults and found a specific connectivity disruption unique to misophonia. The culprit is a brain region called the anterior insula, a hub of the brain’s salience network. This is the area that decides, in a fraction of a second, what information deserves your full attention. In people with misophonia, the connection between the auditory cortex and the anterior insula is wired differently. The brain flags trigger sounds as urgent threats before the person has any chance to think about it.

Critically, this pattern did not appear in people with anxiety, depression, or autism, even when researchers analyzed the same brain data. It appears to be a misophonia-specific neural signature. That distinction matters enormously for treatment.

Earlier fMRI research confirmed that when a person with misophonia hears a trigger sound, specific regions fire up fast: the right insula, the anterior cingulate cortex, and the superior temporal cortex. Heart rate increases. Skin conductance rises. The emotional response arrives before reasoning can step in. This is why telling someone with misophonia to “just ignore it” is about as useful as telling someone with a broken leg to walk it off.

Research presented at the 2025 Misophonia Collaborative Forum added another dimension. Brain regions that become overactive during trigger exposure respond similarly whether a person is actually hearing the sound, watching a silent video of it, or simply imagining it. This tells us that misophonia isn’t purely a hearing problem. It involves memory, expectation, and mental imagery, too.

More Than Irritation: The Emotional and Physical Toll

The emotional range that people with misophonia report goes well beyond irritation. Anger is the most common reaction, but disgust, anxiety, panic, and even shame are also common. Physically, people describe muscle tension, sweating, nausea, a tightened chest, and a racing heart. The urge to flee the situation can feel overwhelming.

The source of the sound matters significantly. Research published in 2025 confirmed that sounds made by other people, especially people the listener knows, produce far stronger reactions than the same sounds made by strangers or machines. This is why family dinners can become unbearable war zones, while the same sounds in a crowded restaurant cause far less distress. It’s personal in the most literal neurological sense.

Research also finds that trigger sounds interfere with a person’s ability to concentrate on what they’re doing. People with misophonia are measurably worse at staying on task when triggers are present. Over time, the condition leads many people to avoid shared meals, open offices, public spaces, and sometimes their own families. The social and professional consequences can be severe.

Who Gets Misophonia?

Misophonia shows up across populations, but some groups appear more vulnerable. A 2025 systematic review found that between 12.8% and 35.5% of autistic people experience it, with 79% of those individuals also having anxiety, OCD, or other sensory sensitivities. It also appears frequently alongside mood disorders and obsessive-compulsive disorder in the general population.

Misophonia is not currently listed as a stand-alone diagnosis in the DSM-5 or ICD-11. But the field is moving toward formal recognition. In 2022, a consensus definition was published for the first time. Since then, standardized assessment tools have been developed, prevalence studies have grown in size and rigor, and clinical trials have finally begun.

What Can Actually Help?

Good news arrived in 2026 in the form of the field’s first randomized controlled trials, meaning research with a real comparison group and rigorous standards. Two studies confirmed that specific forms of therapy produce meaningful reductions in misophonia symptoms.

Cognitive behavioral therapy, or CBT, remains the most studied approach. A 2025 review presented at the World Tinnitus Congress confirmed that CBT delivered by both psychologists and audiologists significantly reduces the impact of misophonia on quality of life. Online CBT programs also show positive results, though dropout rates are higher than with face-to-face treatment.

Acceptance and commitment therapy, or ACT, also showed strong results in 2026 trials. ACT doesn’t try to eliminate the emotional response. Instead, it teaches people to tolerate distress without letting it control their behavior. For misophonia, this can mean staying at the dinner table, completing a workday in a shared office, or staying present in a relationship that might otherwise be derailed by triggers.

On the technology front, researchers at Duke University’s Center for Misophonia and Emotion Regulation are collaborating with a team at the University of Washington to develop a sound-suppression platform that uses headphones and an app. The goal is to allow a person to select which specific sounds they want filtered out while still hearing everything else.

Perhaps the most exciting frontier is neurostimulation. Clinical trials are underway to test whether transcranial magnetic stimulation, which uses magnetic pulses directed at specific brain regions, can calm the misfiring salience network at its source. If successful, this approach would be the first to directly target the underlying brain mechanism rather than managing its downstream effects.

You’re Not Alone, and You’re Not Broken

If any of this sounds familiar, the most important thing to know is that misophonia is real, it’s measurable, and it isn’t a personal failure. It also isn’t a life sentence. With the right support, people can and do find ways to manage their reactions, protect their relationships, and reclaim spaces that triggers have stolen from them.

Science has only recently begun to take misophonia seriously. The brain imaging findings of 2026 that show a disorder-specific neural signature are exactly the kind of evidence that turns skeptics into allies and moves conditions from the margins of medicine to its center. That shift is happening now.

Talk to a psychologist or psychiatrist who is familiar with sensory processing disorders. Be honest about what triggers you, how strongly, and how much it costs you in daily life. You deserve a professional who takes this seriously, because the science finally does.

The post That Sound Is Making Me Snap appeared first on Medika Life.

Loneliness, it turns out, isn’t just an emotion. It’s a biological signal, as powerful and urgent as hunger or thirst. When you’re lonely, your brain doesn’t just feel sad. It sounds an alarm. Your body responds. And if that alarm keeps ringing, day after day, real physical damage begins.

Your Brain Treats Loneliness Like Starvation

Here’s something researchers at MIT discovered when they had people sit alone in a room for ten hours: afterward, when those isolated individuals looked at pictures of people laughing and connecting, the same part of their brain lit up that activates in people who are starving and looking at food. That’s not a metaphor. The craving for company and the craving for food share the same neural real estate.

Kay Tye, a neuroscientist at the Salk Institute for Biological Studies in California, has spent years mapping what she calls “social homeostasis” in the brain. Homeostasis is the fancy word for the way your body stays balanced. Your temperature stays near 98.6 degrees. Your blood sugar stays in a range. Tye’s research suggests that your need for human connection operates in the same way. Your brain has a set point. Stray too far from it, and systems start firing to bring you back.

In 2025, a paper published in Biological Psychiatry by Tye and colleagues formally introduced “social homeostasis” as a new way to think about mental health. The authors argue that chronic loneliness or overcrowding can shift the brain’s set point, leading to the kind of nervous system imbalance seen in many psychiatric conditions.

Deep Inside the Brain, a Social Thermostat

Catherine Dulac, a neuroscientist at Harvard University, wanted to know exactly where in the brain this social regulation lives. She looked to the hypothalamus, the ancient region buried deep in our skulls that controls hunger, thirst, and sleep. It turned out to be the right place to look.

In 2025, her team published findings from experiments on mice that had been separated from their companions for 5 days. They found two distinct clusters of neurons in the hypothalamus. One cluster fired when the animals were alone. The other fired when they were reunited. More telling: the longer the animals had been isolated, the more intensely they sought contact once reunion was possible. Greater deprivation, greater need. Just like thirst.

When researchers artificially activated the “separation” neurons, the mice actively avoided whatever chamber triggered the signal. Being alone felt bad, in a physical, measurable way. When they activated the “reunion” neurons, which connect to the brain’s dopamine reward system, the mice sought out that feeling. Connection felt good. Not just emotionally. Chemically.

These deep brain structures look nearly identical in mice and humans. We share this wiring because it’s ancient. The need to belong is not a modern luxury. It’s a survival code, written into the oldest parts of who we are.

Touch Matters More Than You Think

In Dulac’s experiments, vision didn’t count for much. Neither did sound or smell. Mice separated by a screen that still let them hear and smell each other reacted as if they were fully alone. The only sense that truly registered “I’m not alone” was touch. The physical presence of another body against their own.

Ishmail Abdus-Saboor, a neurobiologist at Columbia University, studies the specific nerve pathways dedicated to social touch in human skin. Our bodies actually have neurons in hairy skin that respond specifically to slow, gentle stroking, the kind a friend or family member might offer. These aren’t generic touch receptors. They’re wired for connection. A hug or a hand on the shoulder isn’t just a nice gesture. It’s information your nervous system uses to update its social score.

This is why phone calls help but don’t completely fill the gap. Why video chats feel better than nothing, but still leave something missing. Your brain needs data that only physical proximity can provide.

When Loneliness Goes Untreated, Your Body Pays

Social disconnection isn’t just hard on the heart emotionally. It’s hard on the actual heart. Research published in Cureus in 2025 reviewed data spanning decades and found that loneliness nearly doubles the risk of stroke and recurrent coronary artery disease, driven largely by increased inflammatory responses in the body.

The American Heart Association has stated that social isolation and loneliness raise the risk of heart attack, stroke, or death from either condition by about 30 percent. And a 2025 narrative review published in the journal Stress mapped the full internal chain of events: loneliness activates the body’s stress response system, raises cortisol levels, increases inflammatory proteins in the blood, changes how the amygdala reacts to social threat, and contributes to cardiometabolic risk markers.

Research published in Frontiers in Human Neuroscience in 2026 linked chronic loneliness to reduced gray matter in brain regions involved in memory and emotional regulation, including the hippocampus. It also found that loneliness is a significant risk factor for accelerated cognitive decline and dementia.

Put simply: isolation doesn’t just make us miserable. It changes our brain structure, disrupts our hormones, inflames our blood vessels, and shortens our lives.

What This Means for How We Live

Knowing that connection is a biological need rather than a preference changes the conversation. You’re not weak if you feel lonely. You’re not clingy if you crave company. You’re responding to an ancient alarm system that has kept our species alive for hundreds of thousands of years.

The research also offers a practical insight. Because touch plays such a central role, the quality of our physical presence with others matters enormously. Abdus-Saboor says he’s intentional about physical contact with his family every single day. Not grand gestures. Just a hug before the kids leave for school. A hand on a shoulder. A back rub. These aren’t small things. They’re medicine.

Tye adds another useful idea: building a variety of social settings into your life. Spending time alone, in small groups, and occasionally in larger groups can help your social thermostat stay flexible and resilient. The goal isn’t constant togetherness. It’s a healthy range.

It’s also worth noting that the damage from loneliness isn’t inevitable. Research on loneliness as a health issue consistently points to the same takeaway: these effects are modifiable. Community programs, social prescribing in healthcare, nature-based group activities, and intentional outreach to isolated neighbors all show measurable results.

The Bottom Line

If you feel lonely, don’t brush it off as a mood that’ll pass. Your brain is signaling something real. Your body is already responding. The good news is that connection, real physical presence with people who matter to you, works as powerfully in the other direction. It turns the alarm off. It restores the balance. It’s not a luxury. It’s what your biology has been asking for all along.

Science is saying what our hearts have always known: we need each other. Now we know exactly why.

The post Loneliness Is Not Just a Feeling. It’s a Biological Emergency appeared first on Medika Life.

His fears did not dissipate after the birth of the baby. Instead, they worsened. One night when the baby began to cry, and his wife failed to get up immediately to soothe him, Jake yelled out, “Shut the F… up!” Horrified by his actions, his wife turned on him. “What is wrong with you?!” she asked.

Jake eventually discovered what was wrong, but not before his job and his marriage suffered the effects of his changed behavior. Jake had developed what one in ten new fathers (13 percent according to some estimates) suffer from. Until recently, it was believed that only women suffered from Postpartum Depression (PPD.) While there is still no diagnostic category for PPD in the DSM, it is subsumed under the general category of Major Depressive Disorder.

SYMPTOMS OF MALE POSTPARTUM DEPRESSION

Symptoms of male PPD share many similarities to those in women. A partial list, includes:

• Irritability, anger, or aggressive behavior.
• Easily stressed.
• Withdrawal from family and relationships.
• Poor concentration and difficulty focusing.
• Changes in appetite or sleep patterns (insomnia or oversleeping).
• Feeling overwhelmed, anxious, or hopeless.
• Suicidal thoughts.
• Risk-taking behaviors including substance and alcohol use.
• Physical symptoms including headaches and stomach aches.
• Indecisiveness.
• Restricted range of emotion

CAUSES OF MALE PPD

Several factors put men at risk for PPD, including sleep deprivation, a prior personal or family history of depression, or a feeling of being shut out from mother and child. Up to half of all men with a depressed partner also show signs of depression according to one study, but surprisingly, fathers also experience hormonal shifts that alter mood, especially a decline in testosterone.

A 2024 article on Understanding Paternal Postpartum Depression notes that while more women than men suffer PPD (one in 7 versus one in 10), men also experience hormonal changes.

Jonathan R. Scarff, in his article Innovations in Clinical Neuroscience; Postpartum Depression in Men, explains that low testosterone in general is linked to symptoms of depression in men, while low levels of estrogen, prolactin, vasopressin, and/or cortisol in new fathers negatively affect father-infant bonding/attachment.

PUSHED OUT BUT RESPONSIBLE

Jenna Berendzen, ARNP at UnityPoint Health, suffered severe postpartum depression and anxiety after the birth of her son. While Berendzen was admitted to the county perinatal psych unit, her husband was left to worry about her and to figure out how to single handedly care for their new baby. Two years later they discovered that he, too, had suffered PPD, yet he couldn’t say anything at the time because, in his mind, he hadn’t given birth, especially a C-section. Instead he felt pushed aside while trying to carry the load of the entire family,”

An Allied Health article notes, “Many dads want to be active participants in the care of their new baby, but sometimes end up feeling like they’re on the outside. As the bond between mother and child begins to strengthen, fathers may feel sidelined. “Many men have a breadwinner mentality that compels them to bottle up the pressure and downplay symptoms of PPD both as they are preparing for fatherhood and afterward.”

In an article I wrote for L.A. Baby when my own son was a baby, I noted how women tended to believe they knew what was best for their baby, and as a result, often pushed their husbands out of the nursery, which only added to the father’s feelings of ineptitude, rejection and even abandonment. The result was that dads didn’t really bond with their babies until the child was older.

BECOMING A FATHER

Despite the dearth of research on new fathers, some experts claim that the journey to fatherhood represents a unique and transformative time in a man’s life. According to one study, “A man does not become a father only at the moment when the child is born…it is a long-lasting dynamic process where the father’s identity is formed and sustained through various experiences.”

Once the baby is born, everything suddenly becomes real. Even the diminutive size and fragility of a newborn can feel overwhelming. Dads need support, reassurance and education about how to hold and care for an infant. This is where some men back off, preferring to abdicate the “tender tasks” to mom, rather than learn from her.

In my own book Midlife Parenting, A Guide to Having and Raising Kids in Your 30s, 40s and Beyond, I found that men who start parenting later in life are more mature and settled. However, many of them are also accustomed to more freedom and independence, which presents its own challenges.

CHANGING ROLES AND EXPECTATIONS FOR FATHERS

Researchers point out that the psychological process of becoming a father has changed in the last couple decades. As one study notes: “We can observe a shift in the perception of the father’s role in Western societies, and in younger generations there is a growing incidence of the so-called “new fatherhood” associated with emotional intimacy and availability of the father as well as increased involvement of the father in childcare and household care.” The authors point out that today men are not only welcomed, but are expected to attend parenting preparation courses and to be present during childbirth as well as postnatal care.

SO WHAT’S A DAD TO DO?

The good news is that there is treatment for male PPD. It begins the moment the couple learns they are having a baby. That’s when the conversations should start, says one researcher who offers the following advice:

• Invite Active Participation: Active participation in the pregnancy, supporting one’s partner, and learning what to expect during and after delivery will help fathers feel involved and prepared.
• Talk to a Financial Planner: Money is a top challenge. With proactive conversation and some professional guidance, new fathers will know what to expect and how to best navigate the expenses of having a child.
• Lean into Support: As the baby’s arrival date approaches, soon-to-be fathers should lean into their support system. Reinforcing relationships and being open to advice will help fight the fear of the unknown.
• Seek out Help: As men are preparing for fatherhood, it’s normal to occasionally feel overwhelmed. It’s important to seek out help sooner rather than later and work to solidify a healthy mindset before the baby arrives.

If symptoms do emerge, dads should seek out professional help. Jonathan Scarf suggests that in serious cases, psychotherapy, especially cognitive behavior therapy (CBT) and interpersonal therapy (IPT) have been shown to be effective, as well as daily morning light to correct circadian rhythms, which are related to PPD.

For some men, individual or couples therapy may be preferred over anti-depressants. Other times a combination may be most effective. Treatment can be short-term or long-term, based on whether there are deeper or more serious underlying issues, which are exacerbated by the birth of a child.

Other recommendations include meditation, yoga and other “mindfulness” approaches to stress. And finally, it would be helpful if employers or government programs supported paid paternity leave for men, recognizing the value of fathers in the earliest stages of parenthood.

Christi Taylor-Jones is a Licensed Marriage and Family Therapist, Jungian Analyst and writer. She is author of Midlife Parenting and Touched by Suicide. She is also a mother and soon-to-be grandmother.

The post DADS GET POSTPARTUM DEPRESSION TOO! appeared first on Medika Life.

Over time, it becomes evident that the decisions made in boardrooms carry their greatest weight in those very moments. It would take years to understand it fully, but these moments were not isolated. They were the foundation for something I would later try to give voice to.

The Day the Ordinary Disappeared

In January 1975, I was traveling through Paris on my way to the United States. What should have been a routine journey became something else entirely. Terrorists fired two RPG shells at our plane. They missed us but struck a Yugoslav Airlines JAT aircraft on the tarmac nearby.

The randomness of it all was almost impossible to process. One moment, you are a traveler moving through the world, the next, you are told to hug the floor of the aircraft, confronted with how easily that world can be altered or taken away. I did not have the language for it then; however, I carried the feeling forward. Life is not guaranteed. It is a gift given to us to deploy.

In 1978, I was leading the first Think Tank Peace Mission to Egypt and Israel. There were no direct flights between the two countries. From Cairo, we flew to Cyprus, then to Tel Aviv.

An Air Cyprus flight had landed just before ours. It was overtaken by terrorists. An Egyptian Entebbe-like rescue was attempted. It failed. When we landed hours later, the aftermath was still there — the remains of the Egyptian military C-130 sat on the tarmac, destroyed and covered. It reinforces the adage, “that timing is everything.”

You do not process it fully in the moment. You carry it. An appreciation for what lies beyond our control. A respect for those who act with purpose, regardless of outcome. An understanding that we plan for the future, yet we live in the moment.

Years later, during my military service as a paratrooper and combat medic, that lesson was no longer abstract. It was immediate, urgent and often unfolding before me. I served six frontline combat tours in Lebanon, in places where the noise of conflict was constant and the margin between survival and loss was measured in inches.

I tended to friends and foes under fire. In those moments, there was no room for theory. Care was not a matter of courage or a concept; it was an instinctive action. Communication was not a strategy; it was survival. A word, a look, a clear instruction could steady someone, guide them and save them.

Where Care Is Action, Not Theory

War has a way of stripping away everything except what matters most. You see clearly how dependent we are on one another. You understand that courage is not the absence of fear; it is the determination to act despite it. You learn that presence, simply being there for another person in their most vulnerable moment, is one of the most powerful forms of care.

I thought I understood risk. I thought I had come to terms with uncertainty. Then life reminded me again.

On a flight to visit my parents in the United States, the Tower Air jet I was on caught fire over the Atlantic. Two engines on the left side were burning. We needed to find a place to land quickly or hit the ocean. There is a particular kind of silence that fills a plane in that moment. It is not panic. It is something deeper, more introspective. You feel time stretch. You think about the people you love. You consider what has mattered and what has not.

As we made our emergency landing in Gander, Canada, I remember not relief first, but reflection. Once again, life had placed me in a moment where its fragility was undeniable.

These experiences did not turn me away from the world. They pulled me closer to it. They shaped how I see people, how I listen and how I respond. They taught me that every interaction carries weight, that every conversation can matter more than we realize.

In recent years, I have traveled to Ukraine annually before and during COVID and now during the war, supporting friends and spending time in a small community facing circumstances most of us can only imagine from afar. There, I saw the same truths I had encountered earlier in life. Community becomes everything. Information becomes lifeblood. People look to one another not only for physical support, but for clarity, reassurance and meaning. Even in the darkest conditions, communication is not secondary to care. It is part of care.

Most in the business world know me through my work at FINN Partners as a health communicator, through my writing, speaking and advocacy as a champion of health innovation and a more human-centered health system. They see my professional journey. What they do not always see is the foundation beneath it. Decades of lived experience that have reinforced, time and again, that life is precious, that it can change in an instant and that how we show up for one another in those moments defines us.

At FINN Partners, I have found a community of colleagues who reflect these same values. There is an understanding that our work carries responsibility, and that we are capable of more when we challenge ourselves to rise to it. It is a culture that encourages each of us to think beyond the immediate and contribute to something more enduring.

That understanding became even more personal through my family. My wife and I have walked alongside our child as she navigates the complexities of a rare disease. There are highs and there are lows. There are moments of hope and moments of uncertainty. In those experiences, I have seen health care from another vantage point, not as a cohesive system, but as a series of human interactions that can either comfort or compound the challenge.

When you are a parent in those moments, you listen differently. You look for clarity in every word. You hold on to empathy when it is offered and you feel its absence when it is not. You come to appreciate that communication in health is not an accessory. It is essential. It shapes understanding, trust and the ability to move forward.

The Human Thread Through Every Moment

All of these experiences converge into a single, enduring belief. Communication is not separate from care. It is how care travels along its continuum. There are moments when that truth reveals itself outside the settings we expect.

On a transatlantic flight in 2001, turbulence turned severe. At one point, a call came over the intercom: “Are there any doctors aboard?” No one responded. Minutes later, the request broadened to “any health professionals.”

My wife looked at me and quietly suggested I press the call button.

I was escorted to a passenger, pale and wrapped in a blanket. He had lost and regained consciousness. I introduced myself warmly and began with simple questions to assess his awareness. His name. The President of the United States. The day we had taken off. He answered each one without hesitation. His vitals were stable.

I explained that I was not a physician, but a former military EMT. Given the turbulence and the length of the flight, dehydration and stress were likely contributors. I reassured him and suggested that he follow up with his physician upon landing and, if he needed me, not to hesitate to hit his call button.

As I returned to my seat, a man two rows behind called out, “I’m a neurologist. I would have handled that exactly as you did.”

It was meant as an affirmation. I received it that way. Yet it lingers differently. In that moment, the instinct to act had been replaced by the comfort of waiting. The systems we build, even when grounded in expertise, can condition us to hesitate when action is needed most.

In moments like these, care is not a title or a credential. It is the willingness to engage, communicate, and act.

Across the health ecosystem and in responsible business settings, success is often measured by growth, scale and financial performance. These are necessary markers of progress. They enable innovation, access and reach. However, there is a deeper measure that often goes unspoken. When we understand our role within the continuum of care and recognize the connection between balance-sheet decisions made in boardrooms and people’s experiences felt at the bedside, our work takes on greater meaning. It moves beyond what can be counted to what ultimately counts.

Over time, I came to understand that moments are not separate. They are connected. Each one revealing, in its own way, what happens when people are seen, heard and cared for, and what happens when they are not.

That understanding became Healing the Sick Care System: Why People Matter.

A life of observing, listening, engaging and caring was the kindling. The moments themselves were the spark. Together, they revealed a simple truth: when we lose sight of people, the system falters. When we honor them, it begins to heal.

That truth asks something of us.

It is not simply about words. It is about presence. It is about accountability. It is about the choice to act when action is needed. This is how humanity shows up in systems, and how those systems, in turn, earn the trust of the people they are meant to serve.

The post The Moments That Shape Us: Why Life and People Matter Most appeared first on Medika Life.

One example would be pain. Research published in the Journal of Neuroscience found that when people didn’t know how much a painful heat stimulus would hurt — when they watched a group of others who disagreed wildly about it — they felt more pain than when the group agreed. The heat itself didn’t change. Only the uncertainty did. That single finding opens a door onto something much bigger: the way the brain interprets incoming signals doesn’t just affect physical pain. In fact, it shapes every experience, every emotion, and every belief we form about the world around us.

The Brain Is a Prediction Machine, Not a Camera

Your brain doesn’t work like a camera, passively recording what’s in front of it. It works more like a detective — making its best guess about what’s happening based on past experience, context, and whatever signals it can pick up in the moment. In fact, this is the way AI works the same way because it guesses what you intend when you are dictating to it. That’s based on what you have known to use before. It’s not original; it’s from something you’ve already said or thought.

Scientists call this predictive processing. Fancy words for something that’s simple. The brain is constantly generating a model of reality and checking it against what the senses report. Most of what you experience isn’t raw sensory data. It’s the brain’s best guess, already processed and interpreted before you’re even aware of it.

This has enormous consequences. Because your brain fills in gaps with guesses, your perception of any situation is shaped as much by what you expect as by what’s actually there. Research on how emotions are built in the brain confirms this same pattern. Feelings aren’t simple, automatic reactions that arise out of nowhere. They’re constructed — assembled by the brain from past learning, bodily signals, and whatever the surrounding context suggests is happening — all woven together into something that feels completely immediate and real. Fear, hope, dread, excitement — none of these are just responses to the world. They’re interpretations. And like all interpretations, they can be mistaken.

This might be unsettling to hear. But it’s also genuinely freeing, because it means your perception of reality isn’t fixed. It can be trained.

The Brain’s Thumb on the Scale

Here’s the catch. The brain doesn’t interpret experiences evenly. It has a strong, built-in bias toward the negative. This explains why negative information is so strongly entrenched in our minds. Negative information is stored more vividly in memory and carries more weight in the decisions we make than equivalent positive information does. This isn’t a character flaw. It’s an evolutionary feature.

Our ancestors survived by treating ambiguous situations as dangerous — if a rustle in the bushes might be a predator, it was safer to assume the worst and run. The cost of a false alarm was low; the cost of missing a real threat could be fatal.

In modern life, that same wiring creates serious problems. We’re exposed to more alarming information than any previous generation — not necessarily because the world is more dangerous, but because we carry a device in our pockets that streams us the worst of humanity around the clock. Research on how news consumption affects perception found that a steady diet of threatening content actively cultivates a distorted view of the world, pushing people to overestimate danger (The Scary World Syndrome) and feel a constant sense of impending doom that doesn’t match their actual circumstances.

In one study on risk perception during a health crisis, people overestimated their personal risk of dying from a disease by more than 270 times the actual probability. Their brains weren’t computing risk. They were amplifying fear.

Uncertainty makes all of this worse. Much worse. The same research that revealed how uncertainty increases physical pain also showed that not knowing what to expect activates a specific brain region — one that amplifies the intensity of an experience, for better or worse. And this effect isn’t limited to physical sensation.

Research on stress and health outcomes has found that the threat of losing a job can actually be more damaging to physical health than losing it outright, because the brain treats an uncertain threat as something to brace against continuously — a draining, exhausting posture that takes a real toll on the body over time. Sounds like burnout, doesn’t it? It isn’t just pain that uncertainty turns up. It’s almost everything the brain interprets as potentially threatening, which, given the negativity bias, covers a whole lot of ground.

What makes this particularly important in today’s world is that this feedback loop isn’t passive. The beliefs we form — shaped by perception, fear, and repeated exposure to alarming information — circle back and filter what we’re willing to notice next.

Research on how beliefs affect the brain’s processing of sensory information suggests that what we expect to see and feel actually controls what reaches our conscious awareness. Our beliefs aren’t just conclusions we reach. They become part of the filter that determines what evidence the brain even considers. This is like throwing the wheat away with the chaff.

What You Can Actually Do About It

Understanding how the brain constructs experience isn’t just interesting. It points directly to what we can do differently.

The first step is recognizing that your interpretation of a situation isn’t the same thing as the situation itself. When you feel dread about a conversation you haven’t had yet or are certain something’s going to go wrong, your brain is filling in a gap with a guess — shaped by past experience, current stress, and the negativity bias — not delivering a reliable preview of the future. That awareness alone, when you can genuinely hold onto it, changes your relationship with the feeling. You don’t have to argue with it or push it away. You just don’t have to treat it as truth.

The second step involves what you feed your brain. Because the brain builds its models of the world out of the patterns it encounters most often, the information environment you live in genuinely shapes how you perceive things — including things that have nothing directly to do with that environment. Heavy exposure to alarming content trains the brain to scan for threats even in neutral situations. Seeking out different perspectives, sitting with ambiguity instead of rushing to resolve it, and spending time in environments where uncertainty is met with curiosity rather than alarm — these gradually reshape the models your brain is running.

The third step is learning to treat uncertainty itself differently. That’s harder than it sounds, because not knowing really activates stress responses that narrow attention and make everything feel more urgent and more threatening. But evidence consistently shows that people who can stay open when they don’t know what’s coming — who can resist the pull toward premature conclusions — think more flexibly, solve problems more creatively, and make sounder decisions. The ability to hold more than one interpretation in mind at once isn’t a fixed personality trait. Like any other cognitive skill, it responds to practice.

None of this is an argument for forced optimism or pretending that hard things aren’t hard. Negative emotions carry real information and serve genuine purposes when they’re in proportion to what’s actually happening. The goal isn’t to replace one distortion with another. It’s important to notice when the brain’s interpretive machinery is running hot — turning not-knowing into catastrophe, amplifying uncertainty into doom — and to remember that what feels like reality is always, to some degree, something the brain has made.

The world you live in isn’t the world as it is. It’s the world your brain has built for you, piece by piece, out of everything it expects, fears, and has learned to look for. That’s not a reason for despair. Actually, it’s an invitation to get curious about the builder — and to ask whether the story it’s been telling you still has to be the only one.

The post Reality Isn’t What You Think: It’s How Your Brain Builds Everything appeared first on Medika Life.

Early in the book, Nosta writes, “The solved can never touch the whole.”  That line lingers. It captures the essence of his argument. AI can solve, generate, synthesize, and accelerate. Yet something about the human experience of thinking, the struggle, the friction, the meaning-making, exists beyond resolution.

This tension defines the book. It is not anti-technology. Nosta is deeply engaged with AI and candid about its value. He describes large language models as tools that “move faster and connect more disparate concepts than our minds could ever manage on their own.”  He is equally clear that this capability introduces a subtle risk. We may begin to outsource not just tasks, but thought itself.

That distinction matters more than many may be willing to admit.

From Tools to Thought

One of the most compelling contributions of The Borrowed Mind is its framing of AI not as the next step in computing, but as a turning point in cognition. Nosta traces a clear arc. Gutenberg unlocked words. Google unlocked facts. AI, he argues, is unlocking thought. 

That progression is elegant, yet also unsettling. Words and facts could be externalized without fundamentally altering the structure of human reasoning. Thought is different. It is intimate. It is identity. It is how we become.

Nosta reminds us that thinking once required effort, a type of natural friction that created sparks of innovation. “The distance between question and answer created space for our discernment.”  Within that space, judgment formed, curiosity deepened, and understanding took root.

AI compresses that distance. It removes friction. It delivers coherence with remarkable speed.  One of the book’s most important insights emerges here. Coherence is not the same as understanding.

Nosta introduces the concept of “anti-intelligence,” describing it as “fluency without understanding. Coherence without experience.”  AI does not think. It mirrors the structure of thinking. It produces language that resembles reasoning without sharing its origin.

In health, where evidence, interpretation, and judgment must coexist, this distinction is not academic. It is operational. It shapes how clinicians trust tools, how leaders deploy them, and how patients ultimately experience care.

The Seduction of the Socratic Mirror

One of the most original sections of the book is Nosta’s description of the “Socratic Mirror.” He draws a parallel between classical dialogue and modern AI interaction. Socrates asked questions to surface the truth. AI, in a different way, reflects our thinking back to us, reframed, extended and sometimes clarified.

Nosta writes that the model “…does not tell me what to think but creates the conditions under which my own thinking could deepen.” This is where the book moves beyond critique and into possibility.

Used well, AI becomes a cognitive partner. It expands perspective, accelerates exploration, and invites iteration. In clinical research, patient engagement, and system design, this capacity holds enormous promise.

Nosta does not romanticize the relationship. He recognizes its asymmetry. The model has no interior life. It does not ponder. It does not carry consequence. It does not bear responsibility. That responsibility remains human.

Rethinking the Fear of Displacement

A persistent anxiety runs beneath every conversation about AI. Many fear it will become a job slayer, a force that displaces rather than elevates human contribution. That concern is understandable, yet not new.

Every meaningful advance in technology has reshaped how people work. The wheel did not eliminate labor. It redefined movement. The stethoscope did not replace physicians. It extended their ability to listen and interpret. The tollbooth transponder did not end transportation roles. It changed the flow and focus of human involvement. Each innovation shifted roles, demanded new skills, and expanded what people could do.  AI belongs in that lineage.

What distinguishes this moment is not the elimination of work, but the redistribution of cognitive effort. The real risk is not that machines will think for us, but that people may become less inclined to think for themselves. Nosta’s warning is subtle yet profound. Surrendering curiosity, judgment, and reflection to systems that generate answers with ease risks dulling the very faculties that define human intelligence.

This is why The Borrowed Mind is such an important read at this moment. It does not dismiss concerns around job displacement. It reframes it. The central challenge is not protecting roles as they exist today, but strengthening the uniquely human capacities no system can replicate. Creativity, discernment, ethical reasoning, and the ability to navigate ambiguity are not diminished by AI. They become more essential.

The book offers reassurance without complacency. The future of work will favor those who sharpen their thinking, engage deeply with ideas, and remain active participants in their own intellectual development. The machine is not the adversary. Neglecting the development of one’s own mind is a danger.

Composite Intelligence and the Limits of the Machine

Nosta introduces “composite intelligence” to describe the interaction between human and machine cognition. Composite does not mean blended into sameness. It means distinct contributions working in concert. The model brings speed and breadth. The human brings depth.

This triad becomes one of the most useful frameworks in this book. AI excels in velocity and scale. Depth, the slow transformation of understanding, remains human. As Nosta writes, “Models do not ponder.” 

In health, this distinction is profound. Data can inform. Algorithms can suggest. The act of deciding, especially in moments of uncertainty, requires something more. It requires what Nosta elevates as the defining human contribution. Virtue.

Drawing on Aristotle’s concept of practical wisdom, Nosta reminds us that judgment is forged through experience, consequence, and accountability. A model can generate options. It cannot live with outcomes.

This is where the book resonates most deeply for those working in health. Intelligence is becoming abundant. Discernment is becoming scarce and, therefore, more valuable.

The Risk of the Borrowed Mind

The book’s title is not metaphorical. It is a warning. Nosta argues that as engagement with AI deepens, internal dialogue begins to change. The model becomes a cognitive tuning fork, subtly shaping how questions are framed, how ideas are explored, and how answers are anticipated. This dynamic is not inherently negative. It can elevate thinking, accelerate learning, and make complex domains more accessible. Dependency remains the concern.

Reliance on generated thought risks weakening the muscle of original thinking. Access can be mistaken for understanding. Individuals may become, in Nosta’s words, “cognitive clones.” 

This concern is particularly relevant in health ecosystems already strained by time, complexity, and administrative burden. The temptation to offload cognitive work will be strong. The discipline to remain intellectually engaged will be essential.

A Book About AI That Is Not About AI

What makes The Borrowed Mind stand apart is that it is not ultimately about technology. It is about humanity. Nosta writes, “This book is not really about technology. It is about you.”  That idea anchors this work.

Readers are challenged to consider what it means to remain “the authors of our own minds.”  Not passive recipients of generated insight, but active participants in meaning-making.

This question sits at the center of the health ecosystem’s future. As AI becomes embedded in clinical workflows, research, and patient engagement, the issue is not whether it will improve efficiency. It will.

The deeper question is whether it will deepen humanity or dilute it. Will it create space for clinicians to think more deeply, connect more meaningfully, and act more wisely? Or will it create a system that values speed over reflection, output over understanding, and coherence over truth?

Nosta offers no simple answers. He offers a framework for asking better questions.

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In fact, there is a lot. Some of it requires help from your physician, but most depends on your lifestyle, preferably begun in midlife or even sooner. But it is never too late to start. Even with early evidence of developing dementia, making changes can be of tremendous help.

Details below, but the most important steps are regular exercise — resistance and aerobic, a high protein, high fruit, and vegetable, but low sugar diet, good sleep, reduced stress, no tobacco, limited alcohol, intellectual challenges, and social engagement, along with attention to high blood pressure, high cholesterol, and high blood sugar or diabetes.

The causes of dementia

It is best to think in terms of risk factors rather than direct causes. There are multiple types of dementia, but the most common is Alzheimer’s disease. It has many possible risk factors, often in combination, in any individual. Among the most important are high blood pressure, type 2 diabetes, elevated LDL cholesterol, obesity, high intake of ultraprocessed foods, being sedentary, not dealing with chronic stress, inadequate deep sleep, smoking, an unchallenged brain, and lack of social engagement.

Untreated high blood pressure damages the blood vessels supplying the brain, as does poorly controlled type 2 diabetes. Diabetes correlates with a 10 to 15 times greater risk of Alzheimer’s. Like the rest of the body, brain cells can become insulin-resistant, depriving them of their primary fuel—glucose —hence the term “type 3 diabetes.” Add to this elevated LDL cholesterol, which leads to plaque deposition in the large blood vessels, analogous to that seen in the heart’s coronary arteries.

Obesity is a definite risk factor, especially as it predisposes to diabetes, but also produces chemicals that cross the blood-brain barrier and cause inflammation. The combination of blood vessel damage and inflammation is clearly associated with the development of Alzheimer’s disease.

Being sedentary, along with eating excess ultraprocessed, sugary, fatty, and salty foods and smoking, are known to correlate with dementia, as does persistent lack of restorative sleep and continuing low-level chronic stress. Maintaining good muscle mass through appropriate exercise not only supports muscle and bone density but also releases chemicals that positively impact brain function. Substantial exercise literally enlarges the brain’s hippocampus and prefrontal cortex, both critical to cognition.

Among the presumably less important risk factors for dementia are some chronic infections, often undetected, such as chronic Lyme disease, which can cause persistent low-level brain inflammation. So too can a variety of neurotropic viruses, such as the varicella-zoster virus that causes chickenpox and shingles. The varicella-zoster virus (VZV) remains dormant in the nervous system after chickenpox infection but is reactivated in older age as herpes zoster (shingles). It is believed that this virus causes long-term chronic inflammation in the brain while dormant, and then amplifies inflammation when reactivated as shingles.

There are other causes of inflammation. An unbalanced colonic microbiome is common. There is a gut-brain axis, meaning the two systems send messages back and forth, which can be altered by the microbiome. This axis can help or hinder normal inflammation maintenance in the brain.

The gut bacteria convert high-fiber diets into short-chain fatty acids (SCFAs), which, in mice, lead to reduced microglial (the brain’s immune cells) activity and a lower degree of brain inflammation. Aging mice normally have reduced SCFAs, but a high-fiber diet increases SCFAs and reduces inflammation in their brains. The key message is that a healthy colonic microbiome can help to prevent the development of Alzheimer’s disease.

The mouth has its own microbiome. Chronic oral gum infections, known as periodontal disease, often go unrecognized, disrupting the oral microbiome and inducing a chronic state of inflammation that produces a steady flow of damaging chemicals that affect the brain. The bacterium Porphyromonas gingivalis is a frequent cause of periodontal infection, but it can also directly affect the brain. It produces a toxic enzyme called gingipain, which crosses the blood–brain barrier and directly damages neurons. P gingivalis has also been found in the brains of deceased Alzheimer’s patients.

Even the eye microbiome has been shown in a January 2026 article in Nature Communications to have an adverse impact on the brain if it includes Chlamydia pneumoniae, a common cause of pneumonia and sinus infections that, in some people, infects the retina and, from there, travels to the brain, amplifying inflammation.

Several environmental toxins have been implicated in Alzheimer’s development. Lead is a known neurotoxin. Once in the body, it can persist in bones. We tend to think of it in old lead paint, but it is common in many city water supplies (remember Flint, Michigan) and was common in leaded gasoline until about 1980. Leaded gasoline suggests that many older people may have elevated bone lead levels.

Lead is also occasionally found in food and air. In a prospective study reported in February 2026, bone lead levels correlated with the onset of Alzheimer’s disease and all-cause dementia in a representative sample of Americans followed for 30 years in the National Health and Nutrition Examination Survey (NHANES _III). The authors speculate that up to 18% of dementia cases could be avoided with reduced lead exposure.

Various other metals (e.g., arsenic, zinc, mercury, and cadmium) and biotoxins (produced by molds, especially Aspergillus, bacteria, and viruses) are believed to be correlated with the onset and progression of dementia through the production of cytokines (compounds produced and released from cells) that cause neuroinflammation and neurodegeneration.

Microplastics (particles less than 5 mm in diameter) have been implicated as a potential cause or predisposing factor to Alzheimer’s disease, although the data are limited. It is known that they can cross the blood-brain barrier and, in animal models, elicit neuroinflammation and neurodegeneration. Microplastics can be found in the brains of many people at autopsy. Still, the quantity in the brains of those with dementia tends to be many times higher, suggesting both a cause and a dose-response relationship. Microplastics are found in air, food, and water. It is not known which microplastics are potentially important, nor which route might be most important — inhalation, skin absorption, or ingestion. Finally, be aware that these are correlation studies, not causal studies.

Hearing loss not only causes social isolation but also directly leads to brain atrophy and “cognitive overload,” meaning the brain cannot process inputs as effectively and has fewer resources left for memory and thinking. The combination leads to an increased risk of dementia. Visual loss, common with age-related cataracts, as well as macular degeneration, glaucoma, and diabetic retinopathy, has the same impact as hearing loss.

Bear in mind that all of these are correlation studies. Correlation does not equal causation, but when they are found in study after study, they are likely actual risk factors.

Note also that many of these risk factors create or amplify chronic low-level inflammation. It is the inflammation that is doing much of the damage. Inflammation means that your immune system, the system that normally protects you from disease-causing agents like bacteria, is constantly turned on at a low level, damaging your brain without you knowing it until years later, cognitive decline becomes obvious.

What you can do to avoid dementia

It is not unlike what I described for slowing normal cognitive aging, but with more intensity and a broader range of inputs.

Let’s start with the medical side of it

Most physicians do not look or know to look for many of these predisposing conditions, but since you do, ask to have them checked for you. They will most likely check your blood pressure, cholesterol, and blood sugar, for different reasons.

High blood pressure is a clear predisposing factor. Unfortunately, nearly 50% of Americans have hypertension >130/80), with the prevalence increasing to about 70% of adults over age 60, but many are unaware, and even less, perhaps 20–25%, are adequately treated. Be sure you are being treated appropriately.

Type 2 Diabetes is a profound predisposing factor to Alzheimer’s disease. What both high blood pressure and diabetes have in common is that they cause inflammation in the brain, blood vessels, and neurons. Over time, they also lead to reduced blood flow to the brain. Over ten percent of Americans have diabetes, with the prevalence rising with age. Only about 50% are adequately treated and controlled. Here, again, be sure you know if you have diabetes and follow your doctor’s advice on management.

High LDL cholesterol (the “bad” type), especially when combined with hypertension and diabetes, can lead to plaques in the blood vessels supplying the brain, similar to those in the coronary arteries. Just one more adverse cause of reduced blood flow to the brain. Only slightly more than 20% have adequate management of all three key factors. So be sure to have your physician review your blood pressure, blood sugar, and cholesterol status, and follow their advice, remembering that lifestyle changes might be adequate (see below), but, if not, there are effective medications.

Obesity is a significant predisposing factor. If you are obese and have had difficulty with weight reduction, you and your physician might want to consider GLPs like Wegovy or Zepbound.

Ask to be checked for lingering chronic infections, such as Lyme disease. Visit your dentist and dental hygienist every six months for a prophylaxis. You will not only be preserving your oral health but also reducing your risk of dementia. You should be tested for lead and other heavy metals.

Consider the shingles vaccine if you are 50 or older. Multiple studies have shown that it reduces dementia by about 20% for at least seven years after vaccination. Less clear is how long the effect lasts after that or whether a booster is necessary. Certainly, it is an easy way to get a dual benefit — less likelihood of dementia while also reducing the occurrence of shingles and possibly even heart disease.

If you are over 65, you have likely gotten regular influenza vaccines. Recent data published in April 2026 show that the standard vaccine has some protective effect, and the higher-dose vaccine has an even greater effect, at least for the 2–3 years of follow-up in the studies.

If you have significant hearing loss, work with an audiologist to determine the best approach for you. Fortunately, there are now devices that can assist at a reasonable price. If you have significant vision loss due to cataracts, the evidence is strong that correction will significantly reduce your risk.

Early life

Those who start adulthood with the “strongest” brains have “more room” for loss, suggesting that it is advisable to encourage your children and grandchildren to be as well educated as possible.

Lifestyle modifications

Your doctor can be a major source of assistance in limiting your chance of dementia, but of even greater importance is what you can do for yourself with lifestyle modifications, especially exercise and diet.

Maintaining your physical health is one of the most important things you can do to avoid dementia. If you smoke, get help to stop; it’s critical. Then, start with exercise. The science is clear: those who move are at much reduced risk of dementia. Aerobic exercise, like walking, cycling, or swimming, helps your heart and lungs deliver more blood to the brain. When doing aerobic exercises, push to the point where you are breathing somewhat heavier than normal and, although you can respond to a question, you are too busy breathing to engage in a conversation.

When a group of 120 young adults aged 28 -56 was randomized to a steady moderate to vigorous exercise regimen for 12 months or not, those who exercised had brains that appeared “younger” after one year. In contrast, the control group showed no significant change between MRIs taken at the beginning and end of the year. VO2 max increased substantially over the 12 months in the exercise group but not in the control group.

And those who regularly engage in resistance exercises are at an even lower risk. In fact, resistance exercises may be the single most important thing you can do to prevent dementia. Choose a variety of exercises that maintain and strengthen your upper, core, and lower body muscles. Plan to use a resistance weight you can fully move, like a biceps curl, for only 8–12 repetitions. Remember that these exercises release chemicals called myokines or exerkines that stimulate the brain, heart, and blood vessels. They can stimulate growth of the hippocampus and other parts of the brain, perhaps by releasing brain-derived neurotrophic factor (BDNF). Exercise also stimulates the liver to release exerkines. One of these, called GPLD1, reverses memory loss in aging mice.

Various studies have shown that regular resistance exercise is critical to maintaining brain function and brain volume. Leg power is especially effective in reducing cognitive aging.

In addition to regular aerobic activity and at least twice-weekly resistance training, consider high-intensity interval training (HIIT). Dr. Harry Oken and I discuss this in detail in our book BOOM — Boost Our Own Metabolism. In brief, ride an exercise bike at a comfortable resistance and pace for a few minutes to warm up, then increase the resistance and pedal as fast as you can for 30 seconds. Your legs should ache, and you may be sweating. Drop back to a comfortable pace for 90 seconds. Repeat eight times. Studies indicate that this can enlarge your hippocampus, the brain’s processing center, by as much as 50% or more over six months. More neurons are produced, connectivity is enhanced, and cognitive abilities are maintained or improved. HIIT is also the most efficient way to improve your VO2 max.

What you eat, or do not eat, and what you drink are of critical importance. Avoid ultraprocessed foods, excess fast foods, sugar (such as candy, sodas, and ice cream), and foods that are digested directly into sugar (such as white bread and other white-flour products—pastries and donuts). A good “diet” to follow is the Mediterranean diet or its cousin, the MIND diet. The former emphasizes healthy grains, seeds and nuts, legumes like beans, good oils such as olive oil and avocado oil, and cold-water fish (salmon, mackerel, sardines). Eat somewhat less dairy and poultry and relatively little red meat.

As for red meat, processed meats like bacon, jerky, and many deli meats are unhealthy, whereas meat from 100% pasture-raised animals is probably healthy. The MIND diet is based on the Mediterranean diet but emphasizes green leafy vegetables like spinach, kale, and collards, as well as berries over other fruits. When participants in a long-term study at Rush University Medical Center followed these diets, their brains at autopsy showed less evidence of Alzheimer’s compared to those who ate a “less healthy” diet.

If you like coffee or tea, you will be pleased to know that in a long-term study of 131,000 individuals followed for up to forty years, those that drank two to three cups of coffee (but not more) had an 18% reduction in dementia onset compared to those in the lowest intake group. The findings were similar for tea, with a 14% reduction. Presumably, coffee and tea with their many chemicals reduce inflammation, reduce oxidative damage, improve the lining of blood vessels, reduce blood-brain barrier leakage, and enhance neurons’ ability to communicate. Notably, decaf coffee did not have the same effect.

Also consider fasting. Just avoiding eating after dinner and before breakfast is a good start, or pushing breakfast off for a few hours.

Restorative sleep is very important to avoid dementia. Deep sleep is the time when the brain cleanses itself of toxins and other waste materials. It is also when memories are formed and the hippocampus, the brain’s processing center, is “emptied” so it can begin again tomorrow. Don’t listen to people who say they can get by with less than about seven hours of sleep.

Most Americans are living with low-level chronic stress. Stress releases a series of compounds that stoke chronic inflammation in the brain and elsewhere. Ways to reduce stress include exercise, a healthy diet, meditation, Tai Chi, yoga, and avoiding, when possible, those things, people, and situations that lead to your stress.

Your brain needs to be used and challenged. Do creative activities like chess, art, writing, learning a musical instrument, dancing, or learning a foreign language.

Computer-assisted cognitive training. All studies have not been effective, except for a 20-year follow-up clinical trial published in February 2026 by Johns Hopkins involving 2021 adults over age 65. This study evaluated a cognitive training program initiated in 1999 and followed through to dementia onset in 2019. Alzheimer’s was reduced by 25% among those who did computer-based cognitive speed training, with a 6- to 12-month booster. Speed training asked the person to identify a center object (like a car) on the computer screen while locating a peripheral target (like a road sign) on a screen, with the speed increasing as the user improved. The other arms of the trial, looking at memory and reasoning, did not lead to reduced dementia.

“This study shows that simple brain training, done for just weeks, may help people stay mentally healthy for years longer,” said NIH Director Jay Bhattacharya, M.D., Ph.D. “That’s a powerful idea — that practical, affordable tools could help delay dementia and help older adults keep their independence and quality of life.”

Humans need social engagement. Call it “cognitive engagement.” Make and keep friends, meet regularly with others, and get involved in group activities. It’s enjoyable, and it’s critical. The Rush Memory and Aging Project followed about 2000 individuals with an average entry age of 79 for nearly 8 years. In their February 2026 article in Neurology, the authors looked at lifetime cognitive enrichment activities and found those in the highest cohort had a 38% lower risk of developing Alzheimer’s disease. Those with the highest level of lifetime enrichment who did develop AD did so 5 years later than those with the lowest levels. Similarly, their rate of cognitive decline over the course of the study was slower.

Where possible, merge your creative, active, and social activities, such as group Tai Chi, dancing, or walking together. Consider dancing. If you are learning a new step, your brain must follow the music and move your body to the new step; a dual cognitive function and social engagement, with some aerobic exercise.

Remember that there is no one risk factor for dementia, so “bundling” lifestyle changes makes the most sense, a logical concept that is supported by a research study in Finland that showed multiple steps taken together slowed cognitive decline in high-risk seniors. It helps to have help with structured support so that lifestyle changes become consistent rather than relying on willpower alone.

Putting it all together

This may at first glance seem overwhelming. But you can address your risk step by step and have fun doing so. Remember that the 7 Keys to Healthy Aging not only reduce your risk for Alzheimer’s disease but are also very effective in preventing the development of many chronic diseases, such as cardiovascular disease, diabetes, and obesity, so start with these and pick one or two to address first. I would suggest diet and exercise, as they are likely the most important. But before you start anything discussed here, talk with your doctor to see if these suggestions are appropriate for your personal situation. And while there, discuss the items you need their help with — especially elevated blood pressure, blood sugar, LDL cholesterol, and excess weight. No matter your age, it is never too late to start.

Can this really prevent Alzheimer’s?

There are no guarantees. But following these suggestions will have a major impact on your risk of developing Alzheimer’s disease. It will also go a long way to preventing other chronic diseases like heart, lung, kidney disease, or cancer. That’s a very good return on your investment of time and energy.

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