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 simple stool sample may hold a clearer record of what you eat than a food diary ever could. In a new study, researchers ...