I think you are nicely describing the field of preventive medicine. You picked a particularly good example (CAD) because we know that preventive efforts work. H

I think you are nicely describing the field of preventive medicine. You picked a particularly good example (CAD) because we know that preventive efforts work. Hopefully that will expand to all diseases in time. In the circumstances where we really understand the disease process, is seems much better to prevent symptom onset than to wait to treat after things are so bad that the patient notices them.