When it comes to intestines, it sure seems like two are better than one. I asked my friend Franck Carbonero why that is. He’s a microbiologist at Washington State University. He studies the bacteria ...

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 ...

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 ...

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, ...

The US humorist Christopher Morley once described the human body as “an ingenious assembly of portable plumbing”. He wasn’t wrong: from our cardiovascular and lymphatic systems to our guts and urinary ...

Microbiome research to date has been much like the parable of the blind men and the elephant. How much can be said about an elephant by examining just its tail? Researchers have studied what is most ...

Medically reviewed by Qin Rao, MD Key Takeaways A SIBO breath test checks your breath for hydrogen or methane after drinking a sugary liquid.Jejunal aspiration is a more accurate but invasive test, ...

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 ...