Study Finds CTE in at Least 1 in 4 Former NFL Players Who Died From 2016-21

At least one in four former NFL players who died between 2016 and 2021 had chronic traumatic encephalopathy, according to a new study that researchers say provides one of the broadest estimates yet of the prevalence of the degenerative brain disease among former professional football players. Researchers from Mass General Brigham, Boston University and the Concussion & CTE Foundation found that at least 24.5% of former NFL players who died during the six-year period had CTE. The study, publi