Biology
Core Concepts in Nutrition
Quick fact
The human body requires more than 40 different nutrients daily, yet no single food provides all of them—which is why dietary variety is a cornerstone of nutrition.
Why this is interesting
You've probably heard that 'you are what you eat,' but why does eating an apple nourish you differently than eating a candy bar? The answer lies in a few core concepts that transform food into fuel, structure, and signals for your body.