Concussions raise tough questions for parents of football players

FILE - This Oct. 17, 2010, file photo shows Baltimore Ravens tight end Todd Heap, left, taking a hit from New England Patriots safety Brandon Meriweather, right, during an NFL football game at Gillette Stadium in Foxborough, Mass. The NFL's brain, neck and spine committee meets Wednesday, Dec. 8, 2010, to talk about possible changes to helmets and other equipment. (AP Photo/Winslow Townson, File)
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