Sign in to NFL Now to watch the best of the NFL, personalized for you

HBO Real Sports: Your Brain on Football

HBO Sports 1:43 mins

Real Sports explores the impact of concussions on young football players as Purdue University scientists examine what can happen to an athlete's brain after a season of football. Real Sports premieres Tues, Nov. 20 at 10pm ET/PT on HBO.

View Comments (0)