Shane Tamura, 27, had a documented history of mental health problems and carried a handwritten note in his wallet when he carried out the shooting that claimed he had chronic traumatic encephalopathy, ...

The former high school football player left a note at the scene repeatedly mentioning “CTE” — chronic traumatic ...

The New York City shooter who sought to attack NFL offices said he had a degenerative brain disease, called chronic traumatic ...

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

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

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 ...

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

“CTE is linked to repetitive brain trauma and has a distinct pathology that can only be diagnosed at autopsy,” says Dr. Ross ...

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 ...