Yes, poop stinks — but food intolerances, excess sulfur in your diet, and difficulty absorbing nutrients can give your poop a truly unpleasant odor.

Dear Dr. Roach: I’m a 78-year-old retired medical oncologist. While in residency in New York, I got a gastrointestinal virus that left me with lactose intolerance. After a while, it improved somewhat.

Discover the cause of sweet-smelling poop, and when it might indicate a health issue. Learn how to treat and prevent foul-smelling poop. quadruple board-certified physician in internal medicine, ...

Stomach aches are common and have numerous causes ranging from gas to inflammatory bowel disease. The right diagnosis can lead to relief.

People with lactose intolerance can’t digest milk because their body lacks lactase, the enzyme that breaks down lactose.

New research explores the genetic trait that allows people to digest dairy. SAN FRANCISCO -- Got milk? If you do, take a moment to ponder the true oddness of being able to drink milk after you're a ...

Gassy poop can happen when your digestive system is backed up from constipation or you have diarrhea caused by food intolerance or infection. It can also simply occur when you eat certain foods.

You may have heard before that your poop's appearance says a whole lot about your gut health. Well, it's true: Your poop's color and consistency may point to issues like infections or chronic ...