Perhaps so. Researchers studied middle-aged adults who were placed on a low-fat, low-calorie diet (1,200 calories for women and 1,500 for men). After three months, the subjects who drank two glasses of water before breakfast, lunch and dinner lost an average of 15.5 pounds, compared to the non-water drinkers who lost 11 pounds. The difference occurred because the adults who drank water ate 75-90 calories less per meal.
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