Scientists developed a 20-minute gut bleeding test using bacteria in magnetic gel capsules. The capsules glow upon ...

Bacteria in the gut have been implicated in autoimmune diseases, like lupus, that don’t primarily affect the gastrointestinal system. But how those bacteria affect the human immune system remains ...

A study conducted in lab dishes and mice finds that mucus-eating bacteria found in the human gut could be key for controlling cholesterol.

It's unclear why colon cancer cases have doubled in people under 55 over the past two decades, a staggering rise that has alarmed doctors and cancer researchers. But part of the story could be ...