Blue is far from the usual stool color, but it isn’t usually a cause for concern. Most of the time, blue stool is due to blue pigments or dyes that come out when your food is digested. If you take a ...

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.

Eating certain foods can cause a person to have blue poop. People should be aware of their stool and seek medical care if there are any major changes. People can pass blue stools if they consume food ...

A calprotectin stool test may help determine whether you have an inflammatory or noninflammatory bowel condition. The information it provides may also eliminate the need for more invasive tests. Share ...

What do all the microbes living rent-free in your gut have to do with disease risk? Perhaps a lot. A groundbreaking analysis of decades-old stool and blood samples from the early AIDS epidemic ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Jay N. Yepuri, MD, ...