At least 1 in 4 former NFL players has CTE: Study
At least 1 in 4 former NFL players who died between 2016 and 2021 had CTE, study finds.
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National story. 83 articles from 47 sources. 44 are on the bar; 3 are international, entertainment or tech outlets, listed separately. Updated Aug 27, 2026.
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11 sourcesAt least 1 in 4 NFL players who died in recent years had CTE, study finds
New study reveals widespread signs of brain trauma among former NFL players
At least 1 in 4 NFL players develop CTE — and that's likely an undercount, new study finds
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25 sourcesNew CTE study says about 25% of NFL players who died between 2016 and 2021 had CTE
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8 sourcesNew research finds 1 in 4 NFL players could develop CTE in their lifetime: 'Should be a call to action'
At Least 25 Percent Of Dead NFL Players Diagnosed With CTE In Sample, Study Says
Study: At Least 1 in 4 Ex-NFL Players Who Died from 2016 to 2021 Had CTE
‘Alarmingly high’ number of former NFL stars develop CTE, according to massive new study
Other outlets
International, entertainment and tech outlets, by their rating. Not counted in the bar above. How we count coverage
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2 articlesScientists Studied 338 NFL Players’ Brains After Death. Nearly All Had the Same Disease
Study finds that one in four former NFL players suffers from degenerative brain disease CTE
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