Modern Lifestyle to Blame for Rising Obesity Rates

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It looks like the primary culprit behind the obesity epidemic may be the modern-day environment, and not genes, new US research suggests.

Americans were more likely to pack on more pounds if they were born later in the 20th century, regardless of whether they had a high genetic risk for obesity, said senior researcher Maria Glymour, associate professor of epidemiology and biostatistics at the University of California, San Francisco.

People with a greater genetic risk for obesity did appear to be more affected by modern developments that promote obesity, such as wide availability of cheap, high-calorie food, neighbourhood designs that present fewer opportunities to walk, and coach-potato leisure activities.

Read more at Web MD


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