Yorghos Tripodis

Director of statistics and data management, Boston University Alzheimer's Disease and CTE Center

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Last updated Nov 4, 2026

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Study estimates three in four deceased NFL players had CTE

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Led the new study

A statistical correction, not a new brain bank, produced the highest estimate yet of how common chronic traumatic encephalopathy is among former NFL players. The study, published Oct. 28 in JAMA Network Open, estimates that 74.5% of 2,362 former players who died between 2008 and 2023 had CTE at death.

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