Add Yahoo as a preferred source to see more of our stories on Google. While many different things can cause diarrhea—including infections or a more serious gastrointestinal condition—in most cases, it ...

This informational guide, part of POPSUGAR's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to ...

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.