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.

Painful cramps, bouts of irritability or sadness, sleep issues—sometimes it's more than PMS.

Hepatocellular carcinoma is the most common form of liver cancer, and it is often diagnosed at an advanced stage.

An overview of hepatocellular carcinoma, bile duct cancer, and rare and uncommon types of liver cancer.

A look at the factors that increase the risk of hepatocellular carcinoma and bile duct cancer.

Many patients do not get treatment for hep C. Learn how an untreated hep C infection damages the liver and more.