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, ...

Please provide your email address to receive an email when new articles are posted on . CHICAGO — Greater consumption of artificial sweeteners, specifically those that do not contain aspartame, ...

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 ...

Ampullary cancer is a rare form of cancer that develops in the ampulla of Vater. This is a small opening located on the duodenum, which is the first section of the small intestine. Secretions from the ...

Intraepithelial lymphocytosis is a complex immunological phenomenon. It commonly affects the gastrointestinal tract, where damage to the lining of tissue causes the number of lymphocytes (a type of ...

Small intestine lymphoma occurs when non-Hodgkin’s lymphoma affects the small intestine. It can cause abdominal pain, weight loss, and fever. Treatment involves chemotherapy, surgery, or radiation ...

This informational guide, part of PS's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to help.

Inflammation from Crohn’s disease can cause thickening or scar tissue inside your small intestine, which sometimes leads to narrow areas called strictures. A strictureplasty for Crohn’s disease is a ...