Obesity May Be In Your Genes, But It Isn't Your Destiny

We know that DNA isn't necessarily the master of your future. We also know that obesity is gobbling its way through the U.S. population, and is linked to genetics. So it follows that while it ups your chances considerably, having a genetic predisposition for obesity doesn't automatically mean you're sentenced to a life of excessive weight, diabetes, heart disease, social discrimination, the list goes on. And now, to prove it, researchers have compiled a handy data set to show us just how the "fat gene" can be overcome. Evadnie Rampersaud, the study's lead author, examined DNA samples of 704 healthy Amish adults, most of them middle-aged, around half of them overweight, and about a quarter obese. She divided the group based on physical activity levels, with the most active group burning about 900 more calories a day—the equivalent of about three to four hours of moderately intensive physical activity, like ...