*74 If the surgery is done to rodents during hibernation, they will somehow slow the rate at which they draw on their fat supplies for fuel so as to compensate for the loss.
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*75 The diet constituted roughly 400 calories a day of protein, 270 calories of fat, and 900 calories of carbohydrates.
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*76 Though Stunkard’s analysis has widely been perceived as a condemnation of all methods of dietary treatment of obesity, the studies he reviewed included only semi-starvation, calorie-restricted diets.
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*77 Physical activity is the primary determinant of the variation in energy intake in human populations, as Walter Willett and his Harvard colleague Meir Stampfer note in the 1998 textbook Nutritional Epidemiology:“Indeed, in most instances, energy intake can be interpreted as a crude measure of physical activity….”
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*78 When Mayer wrote about this research, or when he spoke to reporters about it, he would often give the impression that it included multiple studies in animals and humans—“J. Mayer has since demonstrated, in both animal and human studies…,” as he would write in Science in 1967. This was technically true, in that he had performed studies of both humans and animals—one study of each.
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*79 Tanner did believe that William Banting’s French predecessor Jean-François Dancel had finally provided a “more sure basis” for the treatment of obesity, and that Banting himself deserved credit for “bringing the subject before the public in a plain and sensible manner.”
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*80 It also assumes that the ingestion of food greater than that required by the body won’t lead to a compensatory increase in energy expenditure, which is a point we’ll discuss at length in the next chapter.
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*81 This left von Noorden explaining that the detection of a retarded metabolism seemed to require “special knowledge and acumen on the part of the observer,” and he acknowledged that even he lacked sufficient expertise. Hence, the only way to diagnose a retarded metabolism was by implication: if the patient’s weight could not be “brought under control through intelligent regulation of diet and exercise,” then the patient probably had a retarded metabolism. The circularity of this argument was evidently not apparent to him.
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*82 This notion has survived in the suggestion that weight gain in children is exacerbated by the refusal of parents to allow their children to walk or ride to school, for fear they will be kidnapped or abused by strangers.
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*83 The common response to confronting this dilemma, as Bennett noted, “is to ignore it,” which is what happened to Bennett’s commentary, even though he discussed this issue at a 1986 obesity conference hosted by the New York Academy of Sciences and attended by many of the prominent authorities in the field.
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