Why have Americans gotten so fat? The usual explanations are an abundance of cheap, unhealthy foods, and a distinct lack of exercise. Today Jim and Margery spoke with Dr. Joseph Majzoub, the lead author on a new study that offers third reason we pack on the pounds: genetics. Are you losing the battle of the bulge? Do you exercise, diet and still stay husky? Do your genes make it hard to squeeze into your jeans? Tweet us, comment on our Facebook page, or leave a comment below.
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