Grow

We only regrow accident victims. We don’t touch terminal diseases.
It’s hard to explain widespread cancer miraculously disappearing. But you can always say they’ve just come out of a coma after taking months to heal their “nonfatal” injuries.
Add a few scars, flash the memory – they’re back.
Now, sometimes the growth-accelerants fail to slow down when halted. We test for that, but sometimes an age spurt kinda kicks in.
As opposed to Peter Pans, who never grow old.
Ever wonder why some child stars die young from drugs or accidents?
Can’t have them living forever.
That’s what reruns are for.