Though the '80s icon acknowledges many people "don't want to know what's wrong with them," he says he's the "opposite" ...

For the first time, researchers have identified that inflammation – long associated with multiple sclerosis (MS) – appears to cause increased mutations that damage neurons linked to MS progression.

A car accident. A football tackle. An unfortunate fall. These things—and more—can cause head injuries. Head injuries can happen to anyone, at any age, and they can damage the brain.

Recurrent meningitis is a rare but serious condition, occurring in about 5% of cases of community-acquired meningitis.