Multiple brain structures involved in fear work in an interplay of swift reactions meant to preserve and protect life, usually from saber-tooth tigers, but today real or imagined threats.

It's all the same. It's the same path. Patients with COVID-19 get admitted to the hospital, and the ones who become critically ill -...

Amphetamine was synthesized from ephedrine by German scientists in 1887, and methamphetamine, also created by Nagayoshi, arrived in 1893. Pharmacologist Akira Ogata took methamphetamine one step further

A growing body of evidence suggests that the fight against dementia should begin earlier, before the brain changes that facilitate cognitive decline.