Cowboys DE Marshawn Kneeland had CTE when he died by suicide in November. His case is not rare despite the fact he was just ...
CTE, the brain disease linked to repeated head injuries, has been thrust back into the news after a gunman shot and killed at least four people in New York on Monday, July 28. That's because the ...
Marshawn Kneeland's family said his posthumous CTE diagnosis provides "important context." Kneeland died by suicide at 24 years old in November 2025.
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