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Medicine

Core Concepts in Nutrition

Quick fact

The three macronutrients—carbohydrates, proteins, and fats—provide energy (calories) and are needed in large amounts, while micronutrients like vitamins and minerals are required in tiny doses but are essential for life.

Why this is interesting

You eat food every day, but do you know what your body actually needs from it? The answer lies in a handful of core concepts that form the backbone of nutrition science.