Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.

Study finds major methodological differences across seven direct-to-consumer stool tests, producing taxonomic profiles as variable as those between individuals — limiting clinical use.

A stool test is a diagnostic procedure that involves analyzing fecal matter, or poop, to check for signs of infection, inflammation, or disease. The specific analysis depends on a person’s symptoms ...

If you are having digestive symptoms, your doctor may prescribe an at-home stool test, in which you collect stool samples and send them to a lab or bring them to your doctor’s office for analysis.

According to Oliver Fiehn, a metabolomics researcher at the University of California, Davis, people are much more than meets the eye. “We are not just human,” he said. “We are an ecosystem.” The ...

A calprotectin stool test is a noninvasive way to measure intestinal inflammation. It can help diagnose conditions like inflammatory bowel disease (IBD), gastrointestinal infections, and colorectal or ...