Sport urged to confront head injuries that can lead to dementia, Rugby union
NFL Executive Acknowledges Link Between Football and Degenerative Brain Disease - The Atlantic
111 N.F.L. Brains. All But One Had C.T.E. - The New York Times
League of Denial: The NFL's Concussion Crisis (full documentary)
ESPN drops involvement in concussion documentary; NFL denies applying pressure - CBS News
Hall of Famer Frank Gifford Suffered from Concussion-Related Brain Condition - The Atlantic
In Europe, Echoes of America as Concussions Spur Debate - The New York Times
Concussion Inc. by Irvin Muchnick - Ebook
Bennet Omalu, Concussions, and the NFL: How One Doctor Changed Football Forever
D'Brickashaw Ferguson Said He Felt Betrayed by the League in December - Gang Green Nation