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 ...

The gut microbiome is an important ecosystem of microbes that lives in each one of us, and its strength affects our overall health. However, the small intestine is an underappreciated part of the gut ...

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, ...

Small intestine cancer is rare, with adenocarcinomas being the most common type, often occurring in the duodenum. Diagnosis involves imaging, endoscopy, and biopsy, with staging determined by the TNM ...

Short bowel syndrome (SBS) affects how well the small intestine absorbs nutrients. Surgery, medications, and nutritional support are all part of a comprehensive treatment plan for this condition. SBS ...

The terms "intestinal barrier" and "intestinal permeability" describe two different aspects of the same anatomical structure, the intestinal wall composed of four layers, the mucosa, the submucosa, ...

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 ...

Texas-based mum Courtney Nash explained what symptoms she noticed prior to receiving the news that she had stage 3 colorectal cancer.