What you ate is often to blame, but infections and medications can play a role, too.

There's a reason most people keep an air freshener or a scented candle in their bathroom: Everybody poops and it doesn't smell great. Still, we've all had bowel movements that seem to emit a more foul ...

There's no doubt that poop smells bad, and you'd be hard-pressed to find anyone who would argue with that statement. But its odor can shift, and certain changes in smell can signal that something is ...