Did you know you have a second brain? Your digestive system is lined with brain cells. This “Second Brain” directs more than digestion. Scientists think it helps control your mood and maybe some of ...

In the 1966 sci-fi film Fantastic Voyage, a group of scientists ventures inside the body of an injured colleague to save him from a life-threatening blood clot. They get a front-row seat to the ...

Fact checked by Jennifer Klump About the Author Leigh Weddle, PharmD, is a board-certified pharmacist specializing in medication therapy management based in Kansas City, Missouri. She also has ...

New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

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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 ...

Tens of thousands of years ago, dogs found their evolutionary niche as consumers of human waste. And if you're an animal eating refuse for a living, you better be equipped with a strong digestive ...