Harvard Health Letter

Sugary beverages raise diabetes risk; coffee and tea don't

Here's another reason to cut out soda and other sugar-sweetened beverages from your diet. A Harvard study published in the January 2013 issue of The American Journal of Clinical Nutrition found that the sweetened beverages, whether caffeinated or decaffeinated, were associated with higher risks of developing type 2 diabetes in both men and women. So what's an alternative? Coffee or tea, say researchers, which were found to reduce the risk of developing type 2 diabetes. It didn't matter if the coffee or tea was caffeinated or decaf. "Coffee and tea contain several healthful compounds that lower insulin resistance and help our bodies use glucose more efficiently for fuel," says Dr. JoAnn Manson, one of the study authors and chief of preventive medicine at Harvard-affiliated Brigham and Women's Hospital.

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