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[Correspondence] Obesity management in primary care

The study in The Lancet by Paul Aveyard and colleagues1 showed that a physician’s more active support is acceptable and effective for patients with moderate to severe obesity. Although a mean decrease in bodyweight of 2·43 kg was seen in the support group, it was surprising that 238 (12%) of the 940 patients in this group had remarkable weight loss of more than 10% of bodyweight over 12 months. The mean bodyweight was 97·1 kg at initial enrollment, so patients lost approximately 10 kg of bodyweight.