Biology
The Core Concepts of Nutrition
Quick fact
The human body can survive for weeks without food but only days without water, yet chronic imbalances in just a few nutrients—like excess sodium or insufficient vitamin C—are linked to millions of preventable deaths worldwide.
Why this is interesting
You eat food every day, but what exactly does your body do with it? And how can you tell if the balance of nutrients you consume is helping or harming your long-term health?