Digestive Diseases
National Digestive Diseases Information Clearinghouse- This comprehensive website is compiled by the United States Department of Health and Human Services. Browse a list of information on a variety of digestive diseases, research statistics, and find out more about awareness campaigns regarding Celiac Disease and bowel control.
Nutrition and Health Issues- Compiled by the National Institute of Diabetes and Digestive Kidney Diseases, this resource contains a wealth of information on digestive diseases such as diverticulitis, celiac disease, ulcers, gastric reflux (GERD) and more.
Resources for Researchers- The National Institute of Diabetes and Digestive Kidney Diseases offers a useful website containing links to various research topics, such as digestive diseases databases, registries, and programs, research networks and communities, and clinical research centers.

Intestinal Diseases
Health Insite- This website offers detailed information on intestinal diseases. A highly organized and user-friendly resource, this website provides a list of links connecting to information about diseases such as bowel cancer, constipation, inflammatory bowel diseases, malabsorption syndromes, polyps, rectal diseases and diarrhea.
USDA Diet and Disease- Use this comprehensive website in order to find information and resources about digestive system structure, and function as well as diseases affecting the system (mouth, esophagus, stomach, intestines, pancreas, liver, gallbladder) and associated organs (kidney).
International Foundation for Functional Gastrointestinal Disorders- The International Foundation for Functional Gastrointestinal Disorders (IFFGD) is a nonprofit education and research organization founded in order to inform, assist and support people affected by gastrointestinal (GI) disorders.
Liver Diseases
PubMed Health: Liver Cirrhosis- This comprehensive guide covers topics such as causes and risk factors, symptoms, tests, treatment, and support group information related to cirrhosis of the liver.
What I Need to Know about Cirrhosis – The National Digestive Diseases Information Clearinghouse offers a complete guide covering this liver disease, including frequently asked questions, relevant terminology, and diagrams.
Pancreatic Diseases
Lab Tests Online- This resource describes in detail the pancreas and its various functions. In addition, this website also lists and defines pancreatic diseases such as pancreatitis, cancer, and insufficiency.
National Institutes of Health Pancreatic Diseases- Browse a digestive diseases dictionary (in English and in Spanish) and find out more information on pancreatitis and other related diseases.
Rectal Diseases
Anal Disorders: Overview from Harvard Medical School- This resource provides an introduction to rectal disorders as well as information on symptoms, diagnosis, duration, prevention, and treatment.
Anal Disorders Medline Plus- This website is a comprehensive resource providing information on diagnosis, symptoms, treatment, and prevention as well as links to relevant journals, glossaries, and videos.
Detection and Treatment- From the Cleveland Clinic, this resource provides an introduction to the anatomy and physiology of the bowel and the rectum as well as details on disorders such as constipation, hemorrhoids, anal fissures, and perianal abscesses.
National Institutes in Health- Find out more information on anal and rectal diseases, browse a glossary of terms, and read about the digestive system and how it works.
Rectal Diseases – Browse a dictionary of rectal diseases with information compiled by professional medical and health journals.
Vomiting
Cyclic Vomiting Syndrome- Find out information related to Cyclic Vomiting Syndrome (CVS) such as phases, triggers, symptoms, diagnosis and recovery.
Nausea and Vomiting Causes and Symptoms- Nausea and vomiting are not diseases themselves, but they are symptoms of many conditions such as gallbladder disease, food poisoning, ulcers, and some forms of cancer. Read about these and other related conditions and find out about diagnosis and treatment.
Digestion and Stomach Disorders- This website offers a wealth of information on digestion, stomach and other gastrointestinal disorders, and related conditions such as abdominal pain, diarrhea, gallstones, gastroenteritis, cancers, indigestion, incontinence, hernias, liver diseases and ulcers.
Healthy Eating for the Digestive System
Tips from the Cleveland Clinic- Diets can contribute to digestive system difficulties. Poor eating habits, such as eating too quickly or skipping meals, can also be part of the problem. This resource offers lists of food that should be incorporated into diets for a healthier digestive tract.
Five Foods for a Healthy Digestive System- This resource offers information on five specific foods that ameliorate an individual’s digestive tract.
Professional Organizations
Celiac Disease Foundation- Celiac Disease Foundation informs, assists, and supports people with information about Celiac Disease (CD) and Dermatitis Herpetiformis (DH). Find out more about this disease, conduct research, and view articles and other educational materials.
National Kidney Foundation- The National Kidney Foundation, a voluntary nonprofit health organization, is dedicated to preventing kidney and urinary tract diseases, improving the health and well-being of individuals and families affected by kidney disease and increasing the availability ofl organs for transplantation. Find out more about Kidney disease and browse a wide variety of educational materials.
American Diabetes Association- Find out about the causes, symptoms, and types of diabetes as well as their diagnosis and treatment, read about the latest developments in research, and browse selected publications.
Crohn’s and Colitis National Foundation of America- The Crohn’s and Colitis Foundation of America (CCNFA) is a non-profit, volunteer-driven organization dedicated to finding the cure for Crohn’s disease and ulcerative colitis.