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 [email protected]. Much of the food you eat is absorbed by your ...

Gastroenterologists share what your stool’s buoyancy can reveal about your digestion, diet, and overall health.

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 ...

(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 ...