Photos: 10 common calorie myths busted
5. Myth: Some foods have "negative calories" because it takes lots of energy to digest them
How we wish! Though some high fiber foods may be poorly digested and therefore provide less energy than well-digested foods, it only takes a few percent of calories available in foods to digest them. The calories on package labels take losses in digestion into consideration, so you might as well forget about the energy cost of digestion when you are eating.
Even though rumors say vegetables like celery give you negative calories, don't believe the hype.
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