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

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

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

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising ...

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

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

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Investigators are piecing together more details about how a former high school football player who blamed the game for his mental health problems carried out a deadly attack on an office building that ...