Scientists are increasingly finding that the gastrointestinal (GI) tract plays a vital role in our overall health. While its main functions center around digestion, the GI tract is also involved in ...

A gastrointestinal stromal tumor (GIST) is a rare type of cancer that occurs in the gastrointestinal (GI) tract. The tumors tend to appear in the stomach or small intestine. These tumors likely grow ...

An endoscopy is a procedure that uses imaging to evaluate the organs and tissues of your body, including your gastrointestinal (GI) tract. Being able to visualize your GI tract can help your doctor ...

Crohn's disease is a type of inflammatory bowel disease (IBD) that can cause problems anywhere in your gastrointestinal (GI) tract. That's the system of organs, stretching from your mouth to your anus ...

An ingestible electronic capsule, complete with a capsule-sized antenna capable of receiving a radio signal wirelessly, can safely power a device in the gastrointestinal tract in preclinical models, ...

Gastrointestinal bleeding is common among people with cirrhosis due to a complication called portal hypertension. This is elevated blood pressure in the veins that lead to your liver. Cirrhosis is ...

When people swallow a pill, they expect the medicine to quickly reach the source of their pain or illness, but how well medications can be absorbed in the gastrointestinal tract is variable.

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...