If youre a middle-aged guy whos packed on the pounds and now is battling to take them off, its a 50-50 shot that your jeans are fitting tighter because of your genes, according to a Saint Louis University School of Public Health study.
"About 50 percent of adult onset weight change remains genetic," says James C. Romeis, Ph.D., professor of health services research at Saint Louis University School of Public Health and the principal investigator of the study, which was published in a recent issue of Twin Research.
Romeis studied sets of twins who served in the military during the Vietnam War –some identical (who share the same genes) and some fraternal (who share half their genes) – and found that genes account for more than 50 percent of the change in Body Mass Index. How we deal with our environment – what we eat, the amount we eat and how much we exercise – accounts for the other 50 percent.
Contact: Nancy Solomon | EurekAlert!
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