Study: Take A Brisk Walk To Turn "Fat Genes" Off

A brisk walk can send your fat genes packing.

British researchers say that a dozen genes linked to obesity can be shut off with just moderate amounts of exercise each week.

They studied all 12 variations of so-called fat genes and compared it to the exercise habits of more than 20,000 people. They found that just two hours of moderate physical activity a week could slash the risk of obesity by 40%.

Scientists at the Medical Research Council in Cambridge, England say walking the dog for a half-hour every day qualifies, as does biking to work. They recommend spreading out your physical activity throughout the week.

Their findings are posted online at the peer-reviewed website PLoS Medicine.

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