Stay Slim All Season Long

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Keep a Food Diary

When you're shopping for gifts, buy yourself a pretty journal. Writing down what you eat can double your weight loss, according to a new study of nearly 1,700 dieters from Kaiser Permanente's Center for Health Research, in Portland, Oregon. Those who documented their food, drinks, and exercise every day lost twice as much over six months as people who did so occasionally or not at all (average difference: 20 pounds compared with 10).

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