Obesity, a health challenge

"Obesity is one of the most daunting health challenges of the 21st century," assert George L. Blackburn and W. Allan Walker of Harvard Medical School in this Science News article. Because of the increasing incidences of overweight people, researchers have been looking at everything from the amount of sleep we get, to our hormones, our neighborhood and to food advertising, searching for the answer as to why we eat more than we should. But some are saying that one key factor preventing people from eating healthier foods is that healthier foods cost more than junk food. In short, sweet and fatty food costs less than fresh fruits and vegetables and lean meat or fish.

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