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?