/si_online/covers/images/2010/1101_
Game-Changing Hits - Neurologists who have studied the brains of deceased NFL players have little doubt: To play the sport at that level is to suffer repetitive head trauma.
November 01, 2010
N
http%3A%2F%2Fwww.sicovers.com%2Fils.aspx%3Fp%3DSPR20101101%26utm_source%3Dsivault&utm_medium=showcover%26utm_campain%3Dicrefer&xid=sivcover
James Harrison
November 01, 2010 | Volume 113, Issue 16