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.

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 ...

Biomarker lab tests typically take a biological sample, like blood, to evaluate certain biomarkers, which are measurable indicators of your health. Whether you’re checking your hormones, thyroid, or ...