Why we should step up vigilance of concussions in teen girls

The volleyball thudded off the back of Hannah Zarnich?s head, producing an instant, searing headache. It was a hard shot, in part because Hannah was in her usual position along the front row, her back to the server, and hadn?t seen it coming.

Source: http://feeds.washingtonpost.com/click.phdo?i=02ea2b0af41ca887014760d841a809bb

Carrie Ann Inaba Betty White Dominique Wilkins Emily Deschanel