It's not so appropriate for those who desire a long healthy life. I am also improving my body mechanics. Obviously, I misused my left arm, so I am getting some coaching on correct work techniques. It makes no sense to receive all this excellent treatment, and then hose it by continuing to do whatever originally caused the problem. Don't mess around with your health.
Early treatment is by far the best.
If you wait until you are incapacitated, your options will be limited. If something doesn't feel right, don't ignore it. And for goodness sake, don't be lazy. Now that schools are putting your beloved offspring in front of monitors at a very tender age, you should ask the instructors what they are teaching your precious heirs about self-care. Unless you like hunchbacked, nearsighted children, you better ask.