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Lack of sleep has genetic link with type 2 diabetes

Large genomic studies show body rhythms, melatonin may influence sugar levels in the blood

Sleep is a mystery. Although no one knows exactly why, it’s required for good health. But now, scientists have found a surprisingly clear connection between sleep and a healthy body: the regulation of sugar levels in the blood. The new studies, all online December 7 in Nature Genetics, describe the first genetic link between sleep and type 2 diabetes, a disease marked by high blood sugar levels.

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