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

The gunman accused of killing four people in New York City suspected he had chronic traumatic encephalopathy, or CTE — a ...

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

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

In a 2023 study, Boston University CTE Center found that 345 out of the 376 former NFL players investigated had CTE, a brain ...

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

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

Tamura expressed frustration with NFL's handling of CTE and had history of depression, headaches before killing four people ...

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

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

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

This former Ute standout "found his place in the world" through football. But CTE and mental illness would lead to 15 years ...