What causes ulcerative colitis?

Ulcerative colitis is an autoimmune disease, so the cause is unclear; something triggers the body to react to itself. Integrative gastroenterologist Robynne Chutkan, MD, discusses some theories of what may cause ulcerative colitis.

Keep your system running smoothly with these rules for regularity

It may be a sign of a serious health condition. Here’s what you need to know.

Learn what to expect if you accidentally sit in someone else's urine.

Light, crunchy, and packed with protein, this savory meal is satisfying and energizing.

How medications and dietary changes help control this rare inflammatory disorder that affects the esophagus.