League of Denial: The NFL's Concussion Crisis (full documentary) | FRONTLINE

FRONTLINE reveals the hidden story of the NFL and brain injuries. Subscribe on YouTube: http://bit.ly/1BycsJW The National Football League presides over America's indisputable national pastime, but the league is under assault: Thousands of former players have claimed it tried to cover up how football inflicted their long-term brain injuries. What did the NFL know, and when did it know it? Twitter: https://twitter.com/frontlinepbs Facebook: https://www.facebook.com/frontline Google+: https://plus.google.com/+frontline/posts FRONTLINE is streaming more than 200 documentaries online, for free, here: http://to.pbs.org/hxRvQP Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation and the Ford Foundation. Additional funding is provided by the Abrams Foundation, the Park Foundation, The John and Helen Glessner Family Trust, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.