Health news and features What is a gastroenterologist? What is celiac disease? How to ease hemorrhoid pain Tips for preventing hernias Heartburn during pregnancy How the gallbladder works How the colon and rectum work When is hernia surgery needed? Seniors: What to do about constipation When heartburn means trouble Ease the symptoms of GERD How your stomach works Achalasia: When food can't make it to the stomach Avoiding digestive problems Feel better with fiber in your diet Pregnancy: Morning sickness and more Colorectal cancer 101 Hydrate for health Understanding gastroparesis Understanding ostomies