United Ostomy Association of America
The UOAA is a national network that provides support, information and advocacy to ostomates. They have lots of information on their site about ostomies and support groups in areas around the country.

Crohn’s and Colitis Foundation of America
A non-profit, volunteer-driven organization dedicated to finding the cure for Crohn’s disease and ulcerative colitis. CCFA has great information on their site for people affect by IBD (Inflammatory Bowel Disease). They hold a number of fundraisers throughout the year such as the Take Steps Walk or the Team Challenge half-marathon training program.

UNC School of Medicine: Patient Guide to Inflammatory Bowel Disease
Provides medical information on IBD, including symptoms, treatment and other information. A great place to start when looking for medical information.