Microbes that live in your gut are "little pets living inside your intestinal tract," according to Gail Cresci, a microbiome expert at the Cleveland Clinic. Besides digesting food, they also support ...

Abdominal pain before an important exam, nausea during intense stress, or sudden intestinal problems following difficult life ...

High levels of rotavirus, a potentially deadly virus, have been detected in wastewater in the Boise area, testing shows.

Dozens of hikers have symptoms of norovirus, including vomiting and diarrhea, and it's spreading elsewhere in the U.S. Why the so-called stomach flu is so contagious — and how you can prevent getting ...