Concept explainers
Gaining or losing weight comes down to calories burned vs. calories consumed. Burn more calories than you take in, and you’ll lose weight. Burn less than you take in, and you’ll gain weight. Simple. Let’s study some aspects of weight change.
A rule of thumb used by nutritionists is that to lose 1 lb of body fat, you need to burn 3,500 calories above what you take in. If you burn 450 more calories than you take in each day, how long will it take to lose 1 lb? What about 10 lb?
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