Healthfinder
www.healthfinder.org
This is a consumer health and human services information website from the United States Government. It contains online publications and information about clearing houses, databases, websites and support and self-help groups dealing with a variety of health related issues.

National Institutes of Health
National Institute of Diabetes and Digestive and Kidney Disease of the National Institutes of Health

www.niddk.nih.gov
This site contains patient information on many digestive disorders as well as links to other digestive disease sites.