Medicine
Core Concepts in Nutrition
Quick fact
While water provides no calories, the human body can survive weeks without food but only days without water, highlighting that hydration is a core nutrient concept just as vital as energy.
Why this is interesting
You eat every day, but have you ever wondered why some foods keep you full and focused while others leave you sluggish? The answer lies in the core concepts of nutrition—a set of principles that reveal how your body uses food as fuel, building blocks, and signals.