Concussion expert Dr. Bennet Omalu: 90% of NFL players have CTE

Dr. Bennet Omalu, who helped discover chronic traumatic encephalopathy (CTE) and linked it to football-specific head trauma, discussed CTE and its believed

Dr. Bennet Omalu, who helped discover chronic traumatic encephalopathy (CTE) and linked it to football-specific head trauma, discussed CTE and its believed prominence in NFL players in an interview with Time published Tuesday.