The new weight-loss model relies on controlled feeding studies that show a "metabolic slowdown" and loss of weight directly contribute to increased energy expended in physical activity.

Question

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The new weight-loss model suggests that a "metabolic slowdown" occurs as a result of weight loss, but this does not directly contribute to increased energy expended in physical activity. Instead, metabolic slowdown refers to the body's adaptation to lower energy intake and weight loss by reducing the amount of energy it expends, making further weight loss more difficult.

The New Weight-Loss Model Relies on Controlled Feeding Studies That