June 23, 2014 11:43 AM EDT
In the wake of the terrible decision to allow Uruguayan footballer Alvaro Pereria to continue playing after being knocked out by a knee to his head, a chorus is growing to empower independent doctors to determine whether a player is fit to return to the game. Read more >
October 7, 2013 1:01 PM EDT
On February 17, 2011, former Chicago Bears safety Dave Duerson, one of my childhood heroes, shot himself in the chest. In a text message to family, he strongly implied that he committed suicide in this way in order to preserve his brain for research into the long-term effects of traumatic brain injury. Read more >
