Yes, in an ideal world, given adequate nutrition, sunlight, hygiene, rest and recreation, harmonious relationships etc., health can be restored, once it has been lost, far, far more easily than when diet is bad, stress enormous, hygiene poor and future prospects poorer. Well fortunately still a lot, although focus tends to move from 'fixing' to 'maintaining' or even 'containing' patients, and their multifaceted health problems. Yes, but in many ways it is better for this. This is the educational process which awaits anyone who is lucky enough to find a poorly paid post in an NHS setting. We have a lot to offer I believe, but a great deal more to learn.
Integration is a two way process.