New Study Finds Genes that Cause Crohn's 50% of the time
Date Joined Jun 2005
Total Posts : 2976
| Posted 4/16/2007 12:52 PM (GMT -7) || |
| | http://www.msnbc.msn.com/id/18125215/
Definitely genetic, although some things, like smoking, increase the chances that it will develop if you are predisposed to it.