Contrary to popular perception, a large proportion of obese Americans can and do lose weight, say researchers at Beth Israel Deaconess Medical Center. What's more, they say, the old tried and true methods of eating less fat and exercising are some of the most effective paths to weight loss success. The research results appear in the April 10 online issue of the American Journal of Preventive Medicine. "This is great news because studies have shown that even a 5 percent reduction in weight can lead to improved health," says lead author Jacinda M...

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