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Two studies add to efforts to combat the obesity epidemic.
In one study, researchers randomized 442 overweight or obese women (mean age, 44; mean weight, 92 kg) to usual care or to enrollment in a commercial weight-loss program; this program provided them with free low-fat, reduced-calorie, packaged, prepared meals and with weekly counseling — either in person or by telephone — and access to the program's website and message boards. Women in the commercial program could transition to regular foods as desired. Control-group participants received two counseling sessions with nutrition professionals, written materials, and monthly telephone or e-mail follow-up. In an intent-to-treat analysis at 2 years, the in-person and by-telephone interventi…