Your body replaces in 7 years

Studies at the Oak Ridge Atomic Research Center have revealed that about 98 percent of all the atoms in a human body are replaced every year. You get a new suit of skin every month and a new liver every six weeks. The lining of your stomach lasts only five days before it’s replaced. Even your bones are not the solid, stable, concrete-like things you might have thought them to be; they are undergoing constant change. The bones you have today are different from the bones you had a year ago. Experts in this area of research have concluded that there is a complete, 100 percent turnover of atoms in the body at least every five years. In other words, not one single atom present in your body today was there five years ago.

So when you look at a picture of “yourself” taken only seven years ago, you are looking at a body that no longer exists. Every single molecule that was present in the body shown in the photography is now gone. Yet you still exist. You are not gone. Now, since the body you had seven years ago no longer exists, yet you still exist, you must logically conclude that (1) you were not the body you had on seven years ago, and (2) you are not the body you have on today.