What Diseases Are Linked With Planter Fascitis What Are The Loopholes In Health Insurance For Middle Age People With Existing Diseases?

What are the loopholes in Health insurance for middle age people with existing diseases? - what diseases are linked with planter fascitis

My father is 54 years. Smoke, drink and occasionally suffers from high blood pressure, but it is just and right, without prior hospitalization or illness. What kind of Health Insurance / Mediclaim policy in case of purchase and any other disease they suffer later (heaven forbid) can be connected lifestyle, such as heart attack, stroke, lung disease, etc., so that even after the payment of premiums could later claim dismissed.