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Medicine

Core Concepts in Nutrition

Quick fact

Only three classes of macronutrients—carbohydrates, proteins, and fats—supply the body with energy, yet they also play vastly different roles in building and repairing tissues.

Why this is interesting

You've heard 'you are what you eat,' but how exactly does a sandwich become muscle, bone, or energy? What if the key to preventing many diseases lies in just a few core ideas about what's in your food?