OBESITY: I. ENERGY METABOLISM

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Abstract
The author presents life-tables illustrating the increase of death rate with wt., especially above age 45; then reviews the search for some metabolic aberration to account for obesity. He deals with energy exchanges (both basal metabolism and specific dynamic effect), Luxuskon-sumption (intensity of metabolism stimulated by generous feeding and depressed by meager food), water balance, absorption of food, and blood lipids. He concludes, "These many painstaking investigations of the metabolism of obese persons have failed to disclose any abnormal process that accounts for the accumulation of the fat. On the contrary, they have demonstrated that obese persons produce more heat in the basal state, that they expend more energy to perform a measured amount of work and that their total heat production is greater than that of normal persons of similar age, height and sex under the same circumstances. Since they are unable to absorb more energy from their food, they must eat more than normal people simply to avoid loss of weight.".

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