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 ...

Medically reviewed by Kierra Brown, RD People with IBD are at higher risk of vitamin B12 deficiency due to inflammation and ...

The human body may seem like a single, self-contained system, but it actually hosts trillions of microscopic organisms. These ...

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 ...

Villi are tiny projections in the small intestine that help absorb nutrients and aid digestion. Damage to your villi can lead ...

A risky but often lifesaving surgery that removes damaged parts of the small intestine can leave patients facing a new threat ...