Calories in Fat, Protein and Carbohydrates Affect Us DifferentlyThe notion that calories in fat, protein and carbohydrates must all be the 'same' finds its origins in the 1st law of thermodynamics. Nutritionists and obesity researchers for over 50 years have argued that this principle, also known as the law of energy conservation, requires us to admit that 'calories count.'Researchers tell us that "Calories In" and "Calories Out" control the amount of energy we store. Eat more, and you'll gain fat. Eat less, and you'll lose fat. Who cares where the calories come from? As long as you "balance" your caloric intake with your caloric requirements, you can control the amount of fat you have. For this argument to make sense, all calories must be "equal." After all, the above equation says nothing about proteins, carbohydrates, fats, hormones, etc. But there's a problem. The body reacts to different nutrients differently. Consider proteins, for instance. Proteins digest down into amino acids. The body uses a calorie of protein very, very differently from how it utilizes a calorie of sugar or fat. See these links to learn more about protein digestion: 1.Protein Digestion and Absorption 2.Protein Digestion: A Trip Through the Gut Once again, Lipophilia beats out Caloric Balance. Return to page on the debate over whether the calories in fat protein and carbs are really equal |
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