At least 25% of former NFL players who died between 2016 and 2021 had CTE, study finds

A new study of former NFL players who died between 2016 and 2021 found that at least 25% had CTE, the brain disease linked to playing football. The prevalence of CTE remains unknown, but this research provides new insights into its occurrence among former players, highlighting ongoing concerns about the sport's long-term health impacts.