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Man, medicine and ecology. An overview.

BY TRADITION, philosophy and training, physicians have had as their principal concern the care of sick human beings. The great challenge of medicine has been to find ways to save human lives, to make and keep people healthy, and to prolong human life. Armed with modern technology, physicians have been meeting that challenge with ever-increasing success. Modern medicine has succeeded in controlling, avoiding and even eliminating diseases. It has developed extraordinary surgical techniques, including procedures to transplant vital organs. Medicine is responsible for vastly reduced infant mortality, for far less incidence of death in childbirth, and for the addition of decades to the life expectancy of millions of people. From the conquest of infectious disease to triumphs in the understanding of metabolism and endocrinology to breaking the genetic code the train of brilliant medical successes rolls on. Implicit in medicine's achievements has been the basic concept that man is a separate entity, a little apart from and a little above other forms of life. Ideally he might live longer and more healthfully if he could be spared from the natural elements. A few years ago a leading woman's magazine proposed rearing infants in a totally aseptic, air-conditioned, temperature-controlled environment, sealed off from possible contamination by disease and fed carefully programmed