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Previous Volume 360:1571-1572 April 9, 2009 Number 15 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Cecil and colleagues (Dec. 11 issue)¹ report that the A allele of the fat mass and obesity–associated (FTO) gene variant rs9939609, which has been associated with obesity, is also associated with increased levels of physical activity in children. No differences in resting energy expenditure were observed. The association between the A allele and body-mass index (BMI) was explained by a relative overconsumption of food.

The Malmö Preventive Project is a population-based study of adults from Malmö, Sweden, in which anthropometry was performed and self-reported physical activity was assessed.² We genotyped the rs9939609 variant in 15,931 . . . [Full Text of this Article]

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