Health

New study estimates 75% of deceased ex-NFL players had brain disease CTE

Research looked at prevalence of chronic traumatic encephalopathy in 2,362 players who died in 2008-2023 A new study published on Wednesday estimates that about 75% of former NFL players who died over a 15-year period had evidence of chronic traumatic encephalopathy (CTE).

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated October 28, 2026, 6:04 PM UTC

The research, published in Jama Network Open and conducted by a Boston-based team, examined the estimated prevalence of the degenerative brain disease among NFL players who died from 2008 through 2023.

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