The urge to poop occurs when your rectum fills up, triggering receptors in the anus to signal the brain: go poop. The longer the stool sits in the rectum, the more water is absorbed from it, making it ...

At the office or a crowded party. On a plane. Visiting your brand-new significant other’s apartment. We’ve all been there: You’re in the absolute last place you’d ever want to poop, but suddenly you ...

Find out why bowel movements, a routine bodily function, can feel satisfying — or even euphoric — at times. Experts reveal why defecation can bring a sense of relief.

Scientists have found an ideal frequency.