The disease has been diagnosed in more than 100 former NFL players and arisen as an existential threat to the United States’ ...

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

The 27-year-old gunman fired indiscriminately throughout the building’s lobby and 33rd floor, killing Islam, security guard ...

The NYC mass shooter blamed football for his actions. But Dr. Bennet Omalu, the man who discovered CTE, says that excuse ...

No ruling has been made yet on whether Tamura was suffering from the disease chronic traumatic encephalopathy (CTE), which he ...

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

Rambling note found on shooter's body suggests he had grievance against NFL over claim he suffered from chronic traumatic ...

To date, nearly 350 former NFL players have been diagnosed with chronic traumatic encephalopathy (CTE) after their death.

Chris Nowinski, PhD, Concussion Legacy Foundation co-founder/CEO, discusses mental health conditions versus CTE and ...

The midtown Manhattan shooter left a suicide note, asking for his brain to be studied, as he wondered whether Chronic ...

Investigators believe Shane Tamura, of Las Vegas, was trying to get to the NFL offices after shooting several people Monday ...

The man who killed four people in the New York City skyscraper that is home to NFL headquarters carried a note blaming the ...