Sestrin makes fruit flies live longer

Reduced food intake, known as dietary restriction, leads to a longer lifespan in many animals and can improve health in humans. However, the molecular mechanisms underlying the positive effects of dietary restriction are ...

New mechanism for anti-infection effects of dietary fiber

New research in mice has uncovered a previously unknown interaction between molecules derived from dietary fiber and an immune cell protein, which triggers protection against infection with Salmonella bacteria. Hitoshi Tsugawa ...

Prehistoric teeth give up their secrets

The isotope values of food consumed are reflected in the individual's tissues. As bone is constantly being turned over by remodelling, analysing the stable isotope ratios of bone collagen can shine a light on the main dietary ...

Got starch? There's bacteria in your gut for that

Soft foods like white bread and rice might seem like an easy thing for your body to digest, but a tiny organism in your gut is actually responsible for chowing down some types of starch and turning it into nutrients your ...

Electron microscope images reveal how cells absorb a vital mineral

Columbia University Medical Center (CUMC) researchers have obtained the first detailed snapshots of the structure of a membrane pore that enables epithelial cells to absorb calcium. The findings could accelerate the development ...

Video: How will climate change impact ocean health?

The oceans provide one quarter of the world's dietary protein, yet we have little understanding of how changes in ocean temperatures and chemistry will impact ocean life, from microbes to coral reefs to commercial fish stocks, ...

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