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This is the next one in my series of Atkins Diet Misconceptions where I combat all myths and misunderstandings regarding low carbing and weight loss in general. In this episode, I deal with the fallacy of the Calorie-In, Calorie-Out theory of weight loss. That is the belief that human weight loss is nothing more than the Law of Thermodynamics. The human body is nothing more than a steam engine, which takes in fuel and burns it to do work. In order to track how many pounds to lose, you simply need to count the burned Calories and divide by 3000.
My problem with this theory is that it is just wrong. It ignores the countless human body processes that affect weight loss - hormones (like stress hormones that cause the body to hold on to body fat), electrolyte balance and water weight, exercise and muscle building. It does not deal with how or where the weight is being consumed, and that different foods may react differently irregardless of the Caloric intake.
Finally, it has been proven wrong in many studies. The most famous study is the 2003 Harvard study (http://www.news.harvard.edu/gazette/2003/10.23/03-lowcarb.html) lead by Penelope Greene. She carried out a 12 week study of three groups with controlled exercise and food intake. The three groups were two groups eating the same Caloric intake (high carb / low carb (high fat)) and a third group who eat 300 more Calories per day (25,000 excess Calories over the 12 week study). The two low carb both lost more weight (35%) than the high carb group. The excess Calorie group did lose less weight than lower Calorie low carb group, but three pound difference did not equate to the excess 25,000 excess Calories.
Gary Taubes - http://webcast.berkeley.edu/event_details.php?webcastid=21216
Calorie Fallacy - http://www.ourcivilisation.com/fat/chap2.htm
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