Add Yahoo as a preferred source to see more of our stories on Google. Father holding baby with dirty diaper. Poop, feces, stool — whatever you call it, there's no denying the unpleasant smell. While ...

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 ...

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