The rôle of the physician in the community has come to be manifold; he is expected to right wrongs and relieve ills. Not only do immediate injuries and maladies command his attention, but his duties are conceived in a far broader spirit. Modern medicine takes into account the possibilities of preventive as well as corrective measures. It aims to prolong life and to conserve vitality; and human existence thereby should become more pleasant and efficient.
The broad-minded physician has been described 1 as one who "conserves the money as well as the health of his patients; in a sense, he is a trustee both of their bodily welfare and of their finances. In other words, a physician is not justified in prevailing on sick people to go to a great expense for diagnostic tests or therapeutic procedures which are unnecessary or of theoretical interest; rather must he advise those measures