Scientists have found out why resveratrol, a chemical naturally found in red wine, grapes, and some other fruit and vegetables, has health benefits, according to an article published in the journal Cell, February 3rd issue. The researchers, from the Laboratory of Obesity and Aging Research at the NIH's National Heart, Lung, and Blood Institute, explain that resveratrol inhibits PDEs (phosphodiesterases), proteins (enzymes) that play a crucial role in cell energy regulation. Resveratrol's molecular formula is C14H12O3...

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