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3500 Calories Does Not Equal a pound After All

Posted on Feb 14, 2012
3500 Calories Does Not Equal a pound After All For decades, one of the accepted facts of the weight loss industry was that cutting your calorie intake by 3500 calories would result in one pound weight loss.  This is where the idea that cutting food intake by 500 calories a day leads to one pound of weight loss per week.  That certainly sounds encouraging!  It also led to the claim that relatively small increases in calories eaten would lead to huge weight gains over time.  If true, 100 extra calories a day (typical of a small serving of non-fat yogurt) would lead to a 50 pound weight gain over  five years!  That doesn’t sound good at all!

Calories and Weight Gain

Weight gain is determined by calories in minus calories out.  However, as it turns out, the math is not as simple as 3500 calories = one pound.  An international team of researchers published data in Lancet which
demonstrated weight loss that occurred from a 500 calorie a day deficit that was not a pound a week.  In fact, it was about half as much!


Although some might be discouraged by this news, most of us knew deep down that weight loss wasn’t that simple.  There was more interesting findings from this study that we will discuss in future blogs.  Until then…..

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