/tags/athletic-safety athletic safety en-US Copyright Tue, 08 Oct 2013 14:00:22 GMT /all-sides-with-ann-fisher/2013-10-08/nfl-concussions-the-story-behind-the-leagues-denials In 2011, Dave Duerson, defensive back for the Chicago Bears, asked that his brain be studied upon his death and then shot himself in the chest. Hits to… Tue, 08 Oct 2013 14:00:22 GMT /all-sides-with-ann-fisher/2013-10-08/nfl-concussions-the-story-behind-the-leagues-denials admin