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Calories, Carbs & Obesity: Physics for the Physician (and Everyone Else)

This essay is adapted from an article in MedPage Today entitled: Let’s Focus More on What We Eat, Not How Much

The First Law of Thermodynamics, formulated in the 1800s, says that energy can neither be created nor destroyed. For the human body, this principle of physics means that if you consume more calories than you burn (or excrete), the…