Allergies are usually associated with the immune system, genetics, and environmental factors. Increasingly, however, another element is appearing in this puzzle: the gut microbiota. A review of ...

Darrin Carlson's chronic anemia was a telltale sign he might have internal bleeding. Doctors gave him X-rays, a colonoscopy and an endoscopy to try to find the source of his abdominal bleeding -- all ...

Villi are tiny projections in the small intestine that absorb nutrients from food. Diseases like celiac disease and inflammatory bowel disease can damage villi and cause malabsorption. Villi are ...

A miniaturized, biomimetic model of the human intestine has successfully reproduced long-term enterovirus A71 (EV-A71) ...

Experts agree that intestinal ultrasound is repeatable, well-tolerated, and accurately diagnoses and provides a monitoring strategy for small bowel Crohn's disease strictures. Diverse roundtable panel ...

Short bowel syndrome (SBS) occurs when a large portion of the small intestine is missing, damaged, or affected by disease, making it difficult to absorb nutrients and fluids. Treatment varies by stage ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

As in symptomatic Crohn’s disease, inflammation is occurring in the digestive tract, but symptoms may be subtle or even absent, leaving people with the condition unaware that anything is wrong. It can ...

An enteroscopy is a procedure that uses a flexible tube called an endoscope to examine inside the small intestine. Enteroscopy is a nonsurgical procedure to diagnose and manage conditions of the small ...

Hirschsprung disease and meconium ileus both disrupt bowel movements and can require urgent medical attention. The two conditions have different causes and treatments. Hirschsprung disease happens ...