(Ivanhoe Newswire) – Only about one in every six Americans who have ever been overweight or obese loses weight and maintains that loss, according to Penn State College of Medicine researchers.Two-thirds of the United States adult population is overweight, defined as a body mass index (BMI) of at least 25, or obese, a BMI of at least 30. Obesity rates, which doubled between 1980 and 2004 …
