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.

New research has found that different gut health testing companies can provide wildly different results from the same fecal ...

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 ...