10 publishers · first seen Wed, 28 Oct 2026 15:00 UTC · updated Fri, 30 Oct 2026 15:46 UTC
A new study published in JAMA Network Open examined medical records of 2,362 former NFL players who died between 2008 and 2023. Using statistical methods that incorporated both brain‑donor data and death records, the researchers estimated that a substantial proportion of those players had chronic traumatic encephalopathy, or CTE.
The analysis was conducted by a team that includes researchers from Boston University and Mass General Brigham. The NFL said it continues to work on rules and equipment to reduce head impacts, while experts noted the findings highlight the need for more data on CTE risk among current and former athletes.
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