How concussions could change the future of American football

http://sports.yahoo.com/nfl/blog/shutdown_corner/post/could-concussions-actually-kill-football?urn=nfl%2Cwp18925

1,200 former players are suing the NFL

http://www.businessinsider.com/the-nfls-concussion-problem-1200-former-players-and-counting-2012-4