A bioluminescent capsule tests levels of bile salt hydrolase in the gut and its creators say its findings suggest the power of probiotics.

Although cells in a healthy esophagus can't bind to SARS-CoV-2, esophageal cells from patients with Barrett's esophagus have receptors for the virus.

Anti-nutrients naturally occur in food and can block the amount of other nutrients available for your body to use. But their effects aren't all bad, which is why they're undergoing an image makeover.

Cells that researchers don't usually think of as having to do with the immune system may actually play a key early role in alerting the body to infection.

You're working out, feeling great – until your stomach starts to churn and you're sidelined with a bout of nausea. Here's what's happening in your body and how to avoid this common effect of exercise.

Consuming a fructose-heavy diet increases the likelihood of irritable bowel syndrome, or IBD, according to new findings in mice.

Swallowing a tiny capsule could offer a full view of your GI tract and gut bacteria. The tiny tool could even scoop up bacteria and deliver them to doctors.

Specific bacteria in the small intestines of malnourished children play a causal role in stunted growth, a finding that could lead to better therapies.

A tried-and-true equation is helping researchers make a model of the gut microbiome. That could pave the way for one day tweaking it to boost health.

In a new study, young people newly diagnosed with celiac disease had higher levels of chemicals from pesticides, nonstick cookware, and flame retardants in their blood.