Villi are tiny projections in the small intestine that absorb nutrients from food. Diseases like celiac disease and ...

You may think of the small intestine as a smooth tube that winds its way through your abdomen. But if you were to look really closely at the inside of the intestine, you would see that it is lined ...

Through a collaboration between Cornell and the State University of Binghamton in February, scientists found that food grade nanoparticles may potentially have detrimental effects on the function 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, ...

Pathogen-fighting immune cells called tissue-resident memory CD8 T cells (TRM cells) go through a surprising transformation -- and relocation -- as they fight infections in the small intestine. Your ...

Researchers have found that the small intestine grows in response to pregnancy in mice. This partially irreversible change may help mice support a pregnancy and prepare for a second. Researchers at ...

Celiac disease, often misunderstood, is a serious autoimmune disorder triggered by gluten. It damages the small intestine, ...

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.