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 ...

My tummy is more tender than it used to be. Not more tender than 10 years ago, but more tender than 2½ million years ago. The human digestive tract is the product of more than 5 million years of ...

You’re not the only one digesting your lunch—so are your microbes. Every time you eat, an entire ecosystem inside your gut gets to work, breaking down food, absorbing nutrients, and boosting your ...

Breast milk contains living bacteria that transfer to babies' guts, helping build healthy digestion and immune systems.

New research offers insight into the evolutionary history of amylase genes, which are key to our ability to eat and digest starchy food. A study found that human ancestors started carrying multiple ...

If you've ever struggled to reduce your carb intake, ancient DNA might be to blame. It has long been known that humans carry multiple copies of a gene that allows us to begin breaking down complex ...

Digesting spicy, dairy, and processed foods may be more difficult with age. Eating fiber-rich whole foods, exercising, sleeping better, and lowering stress can help. As people age, their digestive ...