Find out which three ingredients may help you whittle your waistline.
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In a Harvard study, researchers looked at the eating habits of more than 50,000 women over eight years. Those who reported consuming nuts at least twice a week gained less weight than women who rarely ate nuts. Although nuts are high in calories and fat, researchers think that the combination of protein, fiber and healthy fats (mono- and polyunsaturated) help keep you feeling full. A few times a week, work an ounce of nuts (about 14 walnut halves, 20 to 24 almonds, 2 tablespoons of peanut butter) into a balanced diet.