Does Your Body Really Replace Itself Every 7 Years?

It's a beautiful idea, when you think about it: You can leave the old you behind and become a completely new person every seven years. Unfortunately, it's just not true. Chances are you can't actually remember where you heard this, but the truth is that the seven-year myth isn't even a rough average of every cell's lifespan.
Read more: https://curiosity.com/topics/does-your-body-really-replace-itself-every-7-years-curiosity/?source=Snapzu