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 ...

Wondering about your newborn's pooping habits? Pediatrian Cindy Gellner, MD, demystifies what is normal—from frequent poops to the occasional blowout. Learn when to relax and when to worry about your ...

Psyllium husk is a fiber supplement that supports regular bowel movements and a healthy gut microbiome. Gradually add psyllium fiber to your diet—add it to smoothies, muffins or drink it with water.