Marshawn Kneeland had early chronic traumatic encephalopathy, which is caused by head impacts and has been found in dozens of former NFL players.
GLOBAL — Marshawn Kneeland had early chronic traumatic encephalopathy, which is caused by head impacts and has been found in dozens of former NFL players.
Image source: BBC News
This report draws on reporting from BBC News. DOCFLiX Desk has verified and adapted this report with additional context for our readers.
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