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 human small intestine is an essential organ that helps us absorb nutrients and vitamins from food. It is an average of 6 meters long and is covered with millions of villi that are separated by ...

A diet rich in the amino acid cysteine may have rejuvenating effects in the small intestine, turning on immune signaling to ...

Immune cells called double negative T cells are abundant in the intestine but have been poorly understood till date. In a ...

The small intestine is responsible for absorbing our dietary nutrients, but it also plays a role in warding off toxic chemicals and life-threatening bacteria. Yale researchers now report on the ...

Tech companies have developed many devices that work outside the body, such as cell phones, smart watches, tablets and hundreds of others. Inside the body, though? That's obviously trickier for ...

Doctors use laboratory tests, imaging studies, and endoscopic procedures to help diagnose short bowel syndrome, which affects nutrient absorption in the small intestine. Short bowel syndrome (SBS) ...

A SIBO breath test can reveal if your chronic intestinal symptoms are caused by small intestinal bacterial overgrowth (SIBO). Jejunal aspiration—the removal and culture of a sample of intestinal fluid ...