We're Younger Than We Think!

The body's cells are constantly renewing themselves. Researchers have discovered the precise ages of various tissues in our bodies.

The Average Age of Cells in...

• Your Bones: 10 years


• Your Gut: 15.9 years


• The Lining of Your Gut: 5 days


• Your Skin (outer layer): 2 weeks


• Red Blood Cells: 120 days


• The Cerebral Cortex (outer layer of the brain, responsible for higher functions): Exactly as old as you are


• The Cerebellum (back of the brain, controls motor function): Slightly younger than you are