A new study estimates that approximately three out of four former National Football League players had chronic traumatic encephalopathy (CTE), a degenerative brain disease associated with repeated head trauma.
The research, reported by Yahoo Sports, highlights the long-term neurological risks faced by athletes in contact sports. CTE can only be definitively diagnosed postmortem, and the findings underscore ongoing concerns about player safety and the long-term effects of concussions and subconcussive hits in American football.



