New analysis concludes that Chiefs great Jim Tyrer "within reasonable medical certainty" had CTE and "almost certainly" ...

The degenerative brain disease chronic traumatic encephalopathy (CTE) has been diagnosed in 110 of 111 former NFL players whose brains were donated for research, according to an updated study ...

The man who killed four people in the New York City skyscraper that is home to NFL headquarters carried a note blaming the league for his mental health problems. Shane Tamura played football in ...