The degenerative brain disease can only be diagnosed after death. But hundreds of retired players reported symptoms linked to CTE, like depression, mood swings and suicidal thoughts.

Think you might have a cluster headache? Find out what cluster headaches are, what causes them and how to find relief.

Tension headaches are a common issue affecting a large portion of the population. Although they are generally less severe ...

Police are prepared for more protests ahead of the U.N. General Assembly next week. As CBS News New York's Lori Bordonaro ...