Low Fat, Low Carb, or Mediterranean cooking?

Obesity is a worldwide problem and is getting worse. Losing weight is difficult for most people. A study in the New England Journal of Medicine reports fewer than 25 percent of Americans who try diets actually lose weight and a majority who do lose weight have difficulty maintaining the loss. Billions of dollars are spent on weight loss programs. VOA’s Melinda Smith has more on recent findings that may put to rest the argument about which diet works the best.