Educational sites and support groups:
- American College of Gastroenterology: www.acg.gi.org
- American Dietetic Association: www.eatright.org
- American Liver Foundation: www.liverfoundation.org
- American Society of Colorectal Surgeons: www.fascrs.org
- American Society of Gastrointestinal Endoscopy: www.asge.org
- Celiac Disease: www.csaceliacs.org
- Crohn’s Disease and Ulcerative Colitis: www.ccfa.org
- Irritable Bowel Syndrome: www.ibsgroup.org, www.iffgd.org
- National Institutes of Health Digestive Disease Information Clearinghouse: www.niddk.nih.gov/health/digest/digest.htm