Saved on this device

Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Biology

Core Concepts in Nutrition

Quick fact

The human body can survive weeks without food, but only days without water—yet both macronutrients and micronutrients are essential for long-term health, with deficiencies causing specific diseases like scurvy (vitamin C) or rickets (vitamin D).

Why this is interesting

You eat every day, but do you know what your body actually does with that food? The answer lies in a few core concepts that explain why some meals energize you while others leave you sluggish.