What Causes Degeneration?

i'm sure every one watching tus is eager to find out, wat, what you found? Well, so the first thing is, is we have to understand, if so, what causes degeneration in what causes are thritic changes first? If i put my arm in a cast and i keep it in a cask for five years, the body will adapt. Cause the body, if it's alive, will adapt. And it's going to adapt saying, liston, if you're not going to use that joint cause it's in a cast, what are you going to do? You're going to lose it. So then how do you regenerate that degeneration? Well