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

Common prebiotic fiber mitigates harm of high-salt diet in rats

New research in rats finds a diet high in the prebiotic fiber inulin offered a protective effect against the damage of a high-salt diet. The research will be presented this week at the American Physiological Society (APS) ...

Inflammatory disorders

A polyphenol-rich diet prevents inflammation in older people

Polyphenols in the foods that we eat can prevent inflammation in older people, since they alter the intestinal microbiota and induce the production of the indole 3-propionic acid (IPA), a metabolite derived from the degradation ...

Psychology & Psychiatry

Stimulating the gut–brain nerve can influence emotion

Stimulating the vagus nerve, which provides a direct link between the gut and brain, makes people pay less attention to sad facial expressions. This research study by psychologists Katerina Johnson and Laura Steenbergen is ...

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