In this short science video, I use a fun model to show just how long your small intestine actually is and why it is not very small at all. I stretch it out so you can see its full length, then compare ...

The large intestine—which includes the cecum, colon, rectum, and anus—is a key part of the digestive system. It's a long, thin organ at the end of your digestive tract where your body produces and ...

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, ...

Celiac disease is not a food allergy or intolerance. It's an autoimmune disease that makes the body attack the small intestine if gluten (found in wheat, rye and barley) reaches the gut. Even a small ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christopher Damman, University of Washington (THE CONVERSATION) Microbiome research to ...

Q I’ve been having a lot of bloating and intestinal gas. A friend says this can mean that you have too much bacteria in your small intestines. How does that happen and how do you fix it? Also, I’m not ...