Dieting is futile at best, concluded the researchers at UCLA after an extensive diet research and stuyding the results on long term weight loss.

The first phase of a caloric restriction study in human subjects at the Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging (USDA HNRCA) at Tufts University found evidence suggesting that calorie-restricted diets differing substantially in glycemic load can result in comparable long-term weight loss.