The Next Big Steps to Help Prevent Sports-Related Concussions

Christopher Nowinski explains that big concussions in sports are finally being appropriately diagnosed, but 80-95% of the "littler" ones are still going undiagnosed.

See all videos with Christopher Nowinski.

Posted on BrainLine September 20, 2012.

Produced by Victoria Tilney McDonough and Erica Queen, BrainLine, and Dan Edblom.