As that one very famous and very wise saying goes: “Everybody poops.” It’s a fact of life, even if poop is kind of… really gross. We often don’t like to think about how our digestive system works, ...

After water, tea is the most commonly consumed drink in the world. Sales of green tea represent about one-fourth of the global tea sales. People drink green tea because they like the taste, but also ...

Add Yahoo as a preferred source to see more of our stories on Google. Your small intestine is lined with tiny protrusions called villi that play a big role in digestion. Sebastian Kaulitzki/Science ...