Ethical dilemmas are not new in the area of health care and policy making, but in recent years, their frequency and diversity have grown considerably. All health professionals now have to consider the ethical implications of an increasing array of treatments, interventions and health promotion activities on an almost daily basis. This goes hand in hand with increasing medical knowledge, and the growth of new and innovative medical technologies and pharmaceuticals. In addition, the same technology and knowledge is increasing professional and public awareness of new potential public health...