Factually! with Adam Conover

The Truth about Brain Injuries and Football with Dr. Ann McKee

Neuropathologist and Director of Boston University's CTE Center, Dr. Ann McKee, joins Adam to discuss CTE or chronic traumatic encephalopathy, a neurodegenerative disease caused by repeated head injuries that affects the NFL and other sports. Dr. McKee explains just how common and devastating CTE is, why we can't yet identify CTE in living patients, and…