Former NFL QB Matt Hasselbeck volunteers his brain for CTE research in hopes of finding a diagnosis in the living

For now, CTE can only be diagnosed via a posthumous examination of the brain.

Former NFL quarterback Matt Hasselbeck has participated in a study at Boston University to find ways to diagnose chronic traumatic encephalopathy in living individuals

Former NFL QB Matt Hasselbeck part of latest CTE frontier — diagnosing brain disease in the living  AP News

Matt Hasselbeck took some nasty hits to the head during his 17-year NFL career, four years at Boston College and a childhood full of sports, but the quarterback seems to have emerged from more than two decades of collisions relatively unscathed, enjoying middle adulthood with his wife and three children.

Ex-QB Matt Hasselbeck part of quest for living diagnosis of CTE  ESPN