"In conclusion, we have replicated the associations of common SNPs in the FTO gene with increased BMI and risk to obesity in the Old Order Amish. Furthermore, we provide quantitative data to show that the weight increase resulting from the presence of these SNPs is much smaller and not statistically significant in subjects who are very physically active. This finding offers some clues to the mechanism by which FTO influences changes in BMI and may have important implications in targeting personalized lifestyle recommendations to prevent obesity in genetically susceptible individuals."
More information
The U.S. National Heart, Lung, and Blood Institute has more about overweight and obesity.
-- Robert Preidt
SOURCE: JAMA/Archives journals, news release, Sept. 8, 2008
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