Researchers Link Brain Disease to Trauma - NYTimes.com

A peer-reviewed paper to be published Wednesday in a leading journal of neuropathology, however, suggests that Gehrig’s demise — and that of some other athletes and soldiers given a diagnosis of amyotrophic lateral sclerosis, commonly known as Lou Gehrig’s disease — might have been catalyzed by injuries only now becoming understood: concussions and other brain trauma.

http://www.nytimes.com/2010/08/18/sports/18gehrig.html?_r=2