Study estimates 75% of NFL players who died over 15-year span had CTE

AI-generated summary

A new study published in JAMA Network Open estimates that approximately 75% of former NFL players who died over a 15-year period showed signs of chronic traumatic encephalopathy (CTE). This figure is significantly higher than previous estimates and highlights the ongoing challenges in diagnosing CTE, which can currently only be confirmed through autopsy. While not all individuals with CTE signs develop dementia, researchers also estimated that about 27% of the studied players had dementia, likely linked to CTE.