Evolving

I hear that every seven years, your body has completely regenerated itself. That's to say that in seven years, every cell currently in your body will have been replaced with a similar one. This means that you're literally a new person every seven years. Which explains why I also hear that our lives go in seven-year cycles.
But think about this: say you've got a physical ailment, a bum leg, say. Theoretically, in seven years your leg could have healed itself. It's an entirely new leg, after all. What's to say that it can't be a good leg instead of your old beaten up version? A leg upgrade. So if we could just harness some ability to tell our cells to stop reproducing bad legs and start pumping out good ones, we would be on the road to getting better with time. We would be more like fine wines than nice cheeses. Or would we be like leather bags? I dunno, something that only gets better with age. Like, literally gets better with age. I love this idea. Everybody start telling your body to pick up the pace a little, let's see some real healing!

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