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Two nationally prominent concussion researchers -- including a senior adviser to the NFL -- served as paid consultants to law firms suing the league for allegedly concealing the link between football and brain damage.

Over the last few years, there has been a heightened awareness about concussions, brain injuries and the long-term risks potentially faced by athletes as the result of playing contact sports (and even sports commonly designated as "non-contact.") It'...

On Jan. 7, 2011, the Pittsburgh Penguins announced that for the first time in his already legendary career, Sidney Crosby would miss an NHL game due to a concussion. Crosby had actually sustained two concussions: first on Jan. 1, then just four days ...

Kids playing contact sports are suffering too many blows to the head, and an advocacy group is calling for a "hit count" to total them up before it's too late.

Efforts to raise awareness about concussion dangers are getting an boost from a collection of former National Football League players.

As we discussed Monday morning, the suicide of former Chicago Bears safety Dave Duerson is a frightening development for any retired or current NFL player. Before shooting himself in the chest, Duerson asked family members to have his brain examined ...

Former Bears safety Dave Duerson died of a self-inflicted gunshot wound to the chest, according to multiple reports, and the co-director of a medical school program tells The Associated Press his family has agreed to donate his brain for research.

Taylor Twellman of the New England Revolution is one of 300 athletes in just the last two years who have agreed to undergo a battery of annual tests and donate their brains after death to a brain injury study at Boston University.

Stephen Dunn/Getty Images Former Dolphins linebacker Zach Thomas is one of a growing number of NFL players vowing to donate their brains to research. At least 20 times, the memory came crashing back for Don Hasselbeck. In a flash, he was a teena...

FORT LAUDERDALE, Fla. -- A quick vignette from the NFL media center. McMahonChris Nowinski, the former Harvard player who now runs the brain bank at the Center for the Study of Traumatic Encephalopathy, was talking with former Miami Dolphins quart...