Research on obesity and weight regulation indicates that:

Question

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Research indicates that fat tissue requires fewer calories to maintain than lean tissue, which can contribute to weight gain and difficulty in weight loss. Severe dieting can actually result in a decrease in the number of adipocytes, making it easier to regain weight in the future. The idea that lack of willpower is the primary cause of obesity has been discredited, and while weight loss can be achieved, the body's set point may make it difficult to maintain significant weight loss over the long term.

Research on Obesity and Weight Regulation Indicates That