Genetic counseling is fairly new. The fact that the field is an accepted professional enterprise in universities, clinics, and hospitals throughout the United States is remarkable. The contributors argue that genetics and medicine rest on beliefs widely held in American society. Scientific progress is good, and highly sophisticated technologies are appropriate means to solving medical problems. The better understanding they gain about the nature and evolution of disease, the more prepared clinicians will be to treat and prevent future occurrence of disease. A belief that medicine, including...