American Association for the Study of Liver Diseases 
Information relating to liver diseases and treatment.

American Gastroenterological Association 
Medical information from the AGA Patient Center

Crohn's and Colitis Foundation of America 
- Dedicated to finding the cure for Crohn's disease and ulcerative colitis

Crohn's and Me
- A site dedicated to learning to live with Crohn's Disease.

Digestive Health and Nutrition Magazine 
for Americans dealing with digestive disorders

Gastroesophageal Reflux Disease 
Questions and Answers resource

Hepatitis C 
from the National Institutes of Health

International Foundation for Functional Gastrointestinal Disorders 
 A resource for those afflicted with gastrointestinal disorders

Irritable Bowel Syndrome (IBS) 
- One of the most common disorders seen by primary care physicians

National Digestive Diseases Information Clearinghouse 
Wealth of information about digestive diseases and ailments

- A leading source for timely health and medical news and information