* Every breath we breathe in 10 to the power of 22 atoms.
* In less than one year you replace 98% of the atoms in your body.
* You create a new liver every 6 weeks.
* You create a new stomach lining every 5 days.
* You create a new skin once per month.
* You create a new skeleton every 3 months.
* The brain cells you are using to read this article did not exist one year ago.
* The raw material of DNA comes and goes every 6 weeks.
* Taste buds change every 6 weeks.
* The nervous system allows only 1 billionth of the information available to one person at any given time.

But you do not forget the taste of chocolate. You do not forget how to digest. You do not forget how to see. Your memories are not loss when your brain cells pass away.

In less than two years you replace your whole body down to the last atom, but who you are, what you remember, remains. Molecules are just the carriers of who you are; they are the temporary storage place of memories. You are constantly outliving the life if your cells. You are constantly surviving the death of your body.