Two new Penn State studies show that people who pursue a healthy, low-fat, low-energy-density diet that includes more water-rich foods, such as fruits and vegetables, consume more food but weigh less than people who eat a more energy-dense diet.
Dr. Barbara Rolls, who holds the Guthrie Chair of Nutrition in Penn States College of Health and Human Development, directed the studies. She says, "In one of the studies, we looked at the eating patterns of 7,500 men and women who constituted a representative sample of American adults. In the other study, 101 obese women were counseled to increase their intake of water-rich foods and to select reduced-fat foods rather than full-fat ones. In both cases eating more low-energy-dense, water-rich foods, such as fruits and vegetables, was associated with lower body weights. "Decreasing the energy density of your diet by choosing more low-energy-dense foods, such as fruits and vegetables, can be a successful strategy to lose weight without counting calories or fat grams," she adds.
Both studies were detailed today, Wednesday, Nov. 17, at the annual meeting of the North American Association for the Study of Obesity in Las Vegas, Nevada.
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