If you're like most people, you may have gas, constipation, or heartburn every now and then.

Many people are reducing or eliminating their dietary intake of gluten, a protein found in wheat, rye, barley, and some other grains. But only those who have celiac disease need to completely stop eating gluten.

Celiac disease is a digestive disorder that damages your small intestine and keeps it from absorbing the nutrients in food. A protein found in wheat, barley, and rye called gluten is what causes the damage to the intestinal tract.

Your bile and pancreative juices flow through a duct that is opened and closed by a valve called the sphincter of Oddi. If this valve goes into spasm, you end up with severe belly pain.

Portal hypertension is high blood pressure of the portal vein, which is in your abdomen (belly). It collects nutrient-rich blood from your intestines and carries it to the liver for cleaning.

Pancreas transplantation is a type of surgery in which you receive a healthy donor pancreas. It is a choice for some people with type 1 diabetes.

Absence seizures are a type of epilepsy that most often occur in children. Read on for details about this condition.

Anemia is when your blood has lower levels of red blood cells, or your red blood cells don't have enough of the protein hemoglobin. Hemoglobin carries oxygen, which is sent around the body through blood. Anemia may occur after weight-loss surgery (bariatric surgery).

Efferent loop syndrome is one of two loop syndromes" that can happen after some types of gastric surgery. In a loop syndrome

Afferent loop syndrome is a complication of certain types of stomach surgery.