A gut health brand's viral toilet "shoes" are selling out online. Here's how the quirky bathroom stool works and where to buy it.

Smart toilets promise to track stool and urine health. But can you trust the results?

You probably don’t think of your poop as art or a book, but each time you finish doing your, um, business, your fecal matter tells a story. That’s because we are what we eat, and whatever we eat ...