Health medicine is a contradiction in terms. If you are healthy, you don't need medicine Don't expect your doctor to help you with your health plan, unless perhaps you live in the UK.
3 Medical Systems
I know of 2 modern medical systems and one ancient one.
Usual Western Medical System
You are probably suffering under this system. It punishes doctors for curing diseases. They only get paid when there are sick patients to cure. The fewer cures they carry out, the more treatments they can sell and the more profit they can make.
That is why physicians won't tell you how to be healthy. If you no longer have problems with your health, they can't sell you the latest prescription drug. Some doctors get most of their income from kickbacks from the drug companies, a lot more than they get from helping their patients to live with their diseases instead of curing them, or telling them how to be healthy..
The cancer industry is the most notorious medical scam. You are sold a course of dangerous poisons (known as chemotherapy) even when your medical practitioner knows that it has no effect on your particular type of cancer. Their attitude is "The patient is going to die anyhow, so why shouldn't I make a profit first?" I can understand the attitude because these specialists went into the business to make large sums of money. They probably didn't realise how dirty their hands would get before they qualified.
UK National Medical System
I don't know if it has changed, but some years back my brother explained to me that a doctor is paid by the number of patients on his register. That means that the less his patients get sick the less time he has to spend with them, so the more patients he can add to his register to get more income.
That system encourages practitioners to advise patients to prevent problems instead of waiting for sickness to clutter up his surgery with patients.
Ancient Chinese Health Medicine System
The UK system may be based on the ancient Chinese medical system where the physician only got paid while the patient was healthy. I can imagine the outcry among the quacks if anybody tried to bring that plan for healthy people into Australia!