Gastroenterology

Ecological principles at play in gut microbiome

The dense, diverse collection of bacteria and other microorganisms that begin colonizing the human gastrointestinal tract from birth—collectively called the gut microbiome—is known to influence digestion and immune responses. ...

Medical research

Gut bacteria mine dietary fiber to release beneficial nutrients

A new study from Washington University School of Medicine in St. Louis demonstrates that certain human gut microbes can mine dietary fiber to extract nutrients that otherwise would remain inaccessible to the human body. The ...

Medical research

Microbes in the gut may influence metabolism

The 10 trillion bacteria living in your digestive system may not be human, but they seem to be as integral to your body as your heart or liver. A growing number of studies are finding that microbes in the gut directly influence ...

Neuroscience

Bacteria in the gut have a direct line to the brain

With its 100 million neurons, the gut has earned a reputation as the body's "second brain"—corresponding with the real brain to manage things like intestinal muscle activity and enzyme secretions. A growing community of ...

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