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

The Midtown Manhattan shooter speculated that the condition was a cause of his mental illness. But drawing that conclusion is ...

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 ...

Young athletes (ages 6–14) in tackle football experience vastly more head impacts — up to 15 times more — and 23 times more ...

CTE is defined as a progressive neurodegenerative disease that causes brain damage similar to what’s seen in patients with ...

We have a long way to go in understanding the brain injury implicated in the NYC shooting.

CTE, caused by repeated head trauma, has prompted a reckoning at all levels of football. The gunman believed he was suffering ...

Researchers have diagnosed many former football players with CTE since 2005. It can only be diagnosed through a brain autopsy ...

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

The man who killed at least four people in a N.Y.C. office building shooting reportedly claimed in his suicide note to have ...

The brain disease has most commonly been found in athletes in contact sports and others with a history of repeated brain ...