Policy Making: The decision process by which individuals, groups or institutions establish policies pertaining to plans, programs or procedures.Health Policy: Decisions, usually developed by government policymakers, for determining present and future objectives pertaining to the health care system.Politics: Activities concerned with governmental policies, functions, etc.European Union: The collective designation of three organizations with common membership: the European Economic Community (Common Market), the European Coal and Steel Community, and the European Atomic Energy Community (Euratom). It was known as the European Community until 1994. It is primarily an economic union with the principal objectives of free movement of goods, capital, and labor. Professional services, social, medical and paramedical, are subsumed under labor. The constituent countries are Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, Sweden, and the United Kingdom. (The World Almanac and Book of Facts 1997, p842)Environmental Health: The science of controlling or modifying those conditions, influences, or forces surrounding man which relate to promoting, establishing, and maintaining health.Public Health: Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.United StatesEvidence-Based Medicine: An approach of practicing medicine with the goal to improve and evaluate patient care. It requires the judicious integration of best research evidence with the patient's values to make decisions about medical care. This method is to help physicians make proper diagnosis, devise best testing plan, choose best treatment and methods of disease prevention, as well as develop guidelines for large groups of patients with the same disease. (from JAMA 296 (9), 2006)Health Services Research: The integration of epidemiologic, sociological, economic, and other analytic sciences in the study of health services. Health services research is usually concerned with relationships between need, demand, supply, use, and outcome of health services. The aim of the research is evaluation, particularly in terms of structure, process, output, and outcome. (From Last, Dictionary of Epidemiology, 2d ed)Organizational Policy: A course or method of action selected, usually by an organization, institution, university, society, etc., from among alternatives to guide and determine present and future decisions and positions on matters of public interest or social concern. It does not include internal policy relating to organization and administration within the corporate body, for which ORGANIZATION AND ADMINISTRATION is available.Policy: A course or method of action selected to guide and determine present and future decisions.Decision Making: The process of making a selective intellectual judgment when presented with several complex alternatives consisting of several variables, and usually defining a course of action or an idea.Environmental Policy: A course of action or principle adopted or proposed by a government, party, business, or individual that concerns human interactions with nature and natural resources.