http://www.healthitalk.com Simple Answers to Medical Questions Sun, 25 Jul 2010 23:26:07 +0000 en hourly 1 http://wordpress.org/?v=3.0 http://www.healthitalk.com/what-is-a-concussion-post-concussion-in-head-injury/ http://www.healthitalk.com/what-is-a-concussion-post-concussion-in-head-injury/#comments Sun, 20 Sep 2009 21:32:07 +0000 Dr. Chris http://healthitalk.com/?p=269 http://www.healthitalk.com/what-is-a-concussion-post-concussion-in-head-injury/feed/ 0