ollie matson

File photo of a hit on San Francisco 49ers quarterback Alex Smith that led to a concussion. (credit: Brian Bahr/Getty Images)

Study: Multiple Concussions to NFL Players Linked to Depression

As discussion continues as to whether Jovan Belcher’s murder-suicide was attributed in part to head injuries, football took another hit in the form of new research on multiple concussions being linked to aggression and depression.

12/10/2012

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