THE ON-FIELD COLLAPSE AND CARDIAC ARREST of National Football League (NFL) safety Damar Hamlin after a tackle on “Monday Night Football.” The football player Hamlin’s on-field collapse reminds me to know CPR.

LEGENDARY US SOCCER JOURNALIST GRANT WAHL DIED at 49 from a ruptured aortic aneurysm while covering the World Cup in Qatar.

While medicine has become more advanced and specialized, it has also become increasingly fragmented. For people is hard-to-diagnose conditions, that's another obstacle to care.

A stroke interrupts the blood supply to a part of the brain or a blood vessel in the brain bursts. Either event leads to brain cell damage or death.