Although modern developments in medical science have produced some dramatic benefits, they have also raised difficult and sometimes controversial moral and legal questions. How much information should a physician give to a patient? If preserving life means increasing suffering, should every means be exercised to prolong life? Should we screen the population and reduce the reproductive freedom of individuals with genetic diseases? In an era of staggering increases in health care costs, should the new medical benefits go to those who can afford them or should the government devise systems that...