Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Food allergies or ...

ShayLee Hunter was born with a rare digestive disorder called chronic intestinal pseudo-obstruction, a condition where the nerves and muscles of the gut don't work properly. Food and fluid can't move ...

Superior mesenteric artery (SMA) syndrome is a condition that affects the duodenum — the section of the small intestine that joins the stomach. The syndrome is caused by the compressing of the ...

Intussusception is a common cause of blockage in the intestine in young children. It is rarer in adults and is usually due to an underlying condition. The condition can cause pain and severe ...

Most colorectal polyps are benign. However, large polyps can cause constipation and other symptoms and are more likely to be cancerous. Colorectal polyps are small growths that form on the lining 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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...