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

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 ...

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

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

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

Shane Tamura, the 27-year-old gunman who fatally shot 36-year-old New York City police officer Didarul Islam and several ...

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

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

An expert tells Sky News a link between CTE and violent crime can't be ruled out after a man who shot dead four people left a ...