Washington: A new study has suggested that it is better to attempt to lose weight despite repeated failures at keeping the weight off, like in “yo-yo dieting”, than to not diet and remain obese. The study compared lifelong obesity with the weight fluctuations of “yo-yo dieting”, which is believed to be harmful. “It is clear that remaining on a stable, healthy diet provides the best outcome for health and longevity,” the study’s principal investigator, Edward List, a scientist at Ohio University, Athens, said. “However, obese individuals commonly weight cycle—they have repeated intentional weight loss followed by weight regain, often called yo-yo dieting. “While yo-yo dieting is thought to be harmful, there is little hard scientific evidence to support that,” he said.
List said the yo-yo diet resulted in large fluctuations in these health measures, decreasing during the low-fat diet and increasing to a diabetic state during the high-fat diet. When health measures during the high fat and low-fat diet regimens of the yo-yo diet group were averaged, their “average health” was improved compared with obese mice that stayed on the high-fat diet, he reported. Compared with the mice fed the high-fat diet, mice on the yo-yo diet lived nearly 35 percent longer. “Surprisingly, the mice on the yo-yo diet had a similar life span to that of the low-fat-fed group,” said List. The results were presented at The Endocrine Society’s 93rd Annual Meeting in Boston.Bureau Report
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