The Summary Roughly one-third of former professional football players surveyed believe they have CTE, a study found. But the new research indicates that many former NFL players have experienced symptoms associated with CTE, including depression and cognitive difficulties. Roughly one-third of former professional football players surveyed believe they have chronic traumatic encephalopathy, according to a recent study. Evidence of it has been found in the brains of many former football players after death. “Most of the studies that have been done on CTE are much smaller studies on deceased players,” said Rachel Grashow, the lead author of the new study and director of epidemiological research initiatives at Harvard University’s Football Players Health Study.

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Persons: CTE, ”, Rachel Grashow, Grashow, ” Grashow, Thor Stein, “, Stein, ” Stein, Tua Tagovailoa Organizations: NFL, Harvard University’s Football, Football, National Football League Players Association, American Football League, National Football League, Boston, Miami Dolphins, Buffalo Bills, Indianapolis Colts