The Center for Disease Control estimates there are almost four million sports-related concussions each year. These injuries can cause serious brain damage. But there's another consequence of a concussion injury.
KING5.com
Posted on December 25, 2012 at 7:28 PM
Updated Thursday, Feb 14 at 4:59 PM
The Center for Disease Control estimates there are almost four million sports-related concussions each year. These injuries can cause serious brain damage. But there's another consequence of a concussion injury.