The New York Times  – by Gretchen Reynolds

Thursday, January 17, 2013

Every January, many people start working out, hoping to lose weight. But as studies attest, exercise often produces little or no weight loss – and even weight gain – and resolutions are soon abandoned. But new science suggests that if you stick with the right kind of exercise, you may change how your body interacts with food. It’s more than a matter of burning calories; exercise also affects hormones.

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