Peering into the jungle of microbes that live within us, researchers have stumbled across what seem to be an entire new class of virus-like objects. "It's insane," says University of North Carolina ...

This film explores the complex process of human digestion, detailing how food is broken down into molecules by the digestive system. It follows the journey of food from the mouth, where it is chewed ...

Modern medicine is constantly showing us our guts and bones. Why doesn’t it feel more profound? By B.D. McClay It wasn’t that I thought medical imaging was simple, precisely. I understood that a real ...

Chemical digestion occurs when the body uses enzymes to break down certain molecules, such as carbohydrates. This process allows the bloodstream to absorb smaller molecules to transport around the ...

Your gastrointestinal (G.I.) system, the key player in your overall digestive health, is one of the most important systems in your body. It consists of the mouth, esophagus, stomach, small intestine, ...

Your personal food-processing plant is like a symphony orchestra: When all the parts perform well, the result is beautiful music that simply flows. Should one or two musicians space out or be unable ...