The gunman from Las Vegas who committed the mass shooting last week in New York City repeatedly threatened to harm himself, ...

Despite updated rules and safer equipment, football players continue to suffer from concussions. Experts warn that long-term ...

The degenerative brain disease that has besieged the National Football League for two decades with a billion-dollar lawsuit, congressional hearings, an A-list movie and an unrelenting cortege of ...

New details are emerging about the gunman who opened fire inside the NFL’s Midtown Manhattan headquarters last week, killing ...

The progressive brain disease can be caused by repeated trauma to the head and has caused serious health problems for ...

After killing four and taking his own life, Shane Tamura — a former football player at two L.A.-area high schools — left ...

CTE cannot be diagnosed until the patient has died and their brain examined. But doctors said there are symptoms such as ...

A note found on the man who opened fire at a New York City building is raising serious questions about chronic traumatic ...