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 ...
Samantha Lauriello is a social media strategist and editor. She was previously an assistant editor at Health before moving over to Travel + Leisure as a social media editor. Sonal Kumar, MD, MPH, is a ...