A 2017 study found that more than 87% of football players tested across all levels — high school, college, and pros — tested ...

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

What we know about Tamura’s life, how he got the assault rifle that he used to kill an NYPD officer and three others, and the ...

The sons of the NYPD officer killed in the Park Avenue mass shooting idolized their dad, showing him off to classmates and ...

The man who shot four people dead with an assault-style rifle inside a Midtown Manhattan skyscraper was carrying a "suicide ...

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

Chronic traumatic encephalopathy, or CTE, is a degenerative brain disease caused by repeated head traumas. Contact sports ...

Randi Mahomes has been in the stands for nearly a decade, watching her son, Patrick Mahomes, light up NFL fields with no-look ...