Your body breaks down the food you eat as it travels through your digestive system, but some pieces may make a surprise reappearance in your stool (poop). High-fiber foods like raw veggies are the ...

A fecal fat test measures the amount of fat in a person’s stool. The test assesses the digestive function and absorption of fat in the gastrointestinal tract. Several medical conditions cause poor fat ...

Chronic foul-smelling stool can reflect fat malabsorption, pancreatic enzyme deficiency, or colorectal disease, making digestive changes important early clues.

Osmotic diarrhea is when undigested material reduces how much water and electrolytes the bowels can absorb. It can occur when a person’s body has difficulty digesting certain foods, such as lactose.

Poop irregularities may be more “regular” than you think. In a new Health survey of 2,001 adults in the U.S., a third of respondents reported poop abnormalities in the past month, such as seeing blood ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Poop irregularities may be more “regular” than you ...