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Evidence shows concussions require long-term follow-up for players

As the National Football League braces for lawsuits by 4000 former players alleging the league failed to protect them from the long-term consequences of concussions, game-changing research by a leading Canadian researcher shows damage to the brain can persist for decades after the original head trauma.

Fuente : http://www.eurekalert.org/pub_releases/2013-02/cff…

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