What sitting all day does to the body

For decades, one of the most prominent public health messages has been that smoking kills. But another everyday habit, far less dramatic and far more socially acceptable, may also be damaging our health: prolonged sitting.

Why fasting can lead to a longer lifespan

Restricting calories has long been recognized as a powerful way to live longer, with periods of intermittent fasting proving more effective than a steady diet. However, the mechanism behind this phenomenon has been unclear. ...

Vitamin D may help prevent diabetes, depending on genes

More than two in five U.S. adults have prediabetes, a condition marked by higher-than-normal blood sugar levels that often leads to type 2 diabetes. A new study finds that vitamin D may help delay or prevent that progression, ...

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