Qin Rao, MD, is a board-certified physician based in New York City. He currently works as a gastroenterologist and hepatologist at Manhattan Gastroenterology. Grey poop can be caused by liver issues ...

When it comes to poop, what’s normal? Should a child poop every day or just a few times a week? What should you do about really hard poop? How do you know when a child is constipated? Will drinking ...