Spot Stopper

Banish the bagel and end breakouts: Cutting high-glycemic-index carbs-such as pasta and baked goods-can reduce acne, reports a study in the American Journal of Clinical Nutrition. Researchers found that men following a low-GI diet-eating complex carbs like whole wheat bread and fruit had 20 percent fewer acne lesions after 12 weeks than those eating a diet rich in high-GI carbs. Because they're digested quickly, high-GI carbs cause blood-sugar spikes that produce insulin. Excess insulin thickens hair follicles, which traps oil and cause acne. Women may experience the same effect, so stick to acne-fighting whole grains, beans, and soy nuts.

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