“Negative-Calorie Foods” Still Count

Via eatright.org

Diet myths have come and gone, but some manage to stand the test of time. For instance, weight-loss seekers have often clung to the notion that “negative-calorie” foods not only exist, but that eating unlimited portions will help melt away the pounds. As enticing as it seems to eat foods that require more energy to chew, digest and absorb than they actually contain, there is no research to support this claim. Although foods such as celery, lettuce and cucumbers may have negligible calories, make no mistake, they still count towards a day’s worth of calories.

To challenge the supposed catabolic effect of certain foods, let’s review some basic facts about metabolism.

How Metabolism Works

We know our bodies burn a certain amount of calories at rest. This is called basal metabolic rate, or BMR, and the calculation takes into account height, weight and age. When the BMR result is multiplied by an activity factor ranging between 1.2 (for sedentary individuals) and up to 1.9 (highly active), you will have a rough estimate of total calories burned in one day. Read full article…

 

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