Time to correctly predict the amount of weight loss with dieting.

After a thoughtfulanalysis of the existing literature, Wishnofskyconcluded that “the caloric equivalent of one pound of bodyweight lost” or “gained will be 3,500.” Fifty years later andwith thousands of citations in the scientific literature andthe lay press, Hill and his colleagues repeated the often-used statement“an energy deficit of approximately 3,500kcal is needed to lose 1 lb of body weight” in the authorita-tive textbook, ModernNutritioninHealthandDisease.

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