More concern about the long-term risks of concussion...
Los Angeles (CNN) -- Seventy-five former professional football players are suing the National Football League, saying the league knew as early as the 1920s of the harmful effects of concussions on players' brains but concealed the information from players, coaches, trainers and others until June 2010.
The players "did not know the long-term effects of concussions" and relied on the NFL to protect them, the suit says. Read the full article at CNN.com...,
