Gunman who killed 4 in a New York office building had CTE
Shane Tamura, the gunman who killed four people and himself in a New York City office building in July, had CTE, a degenerative brain disease…
Gunman’s NFL grudge highlights brain-damage risk for youths
Every fall, more than a million young Americans don helmets and padded shoulder pads to play high school football. But this year, questions are intensifying…