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 ...

Parents of babies and pets don’t think twice about discussing their little ones’ poop. They laugh over vile diaper explosions, read Everyone Poops at bedtime, scoop up puppy dookie and ponder its ...

There’s a new movement taking shape in the bathroom. With rates of colorectal cancer on the rise among younger patients, more ...

Yes, there's an ideal number.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Much of the food you eat is absorbed by your digestive system, which includes your ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Much of the food you eat is absorbed by your ...