Demographic changes and the need for health technology.
D002318:Cardiovascular Diseases / Q000453:epidemiology; D003710:Demography; D003906:Developing Countries; D004066:Digestive System Diseases / Q000453:epidemiology; D014943:Global Health; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006801:Humans; D007239:Infections / Q000453:epidemiology; D013677:Medical Laboratory Science / Q000639:trends*; D009369:Neoplasms / Q000453:epidemiology; D009422:Nervous System Diseases / Q000453:epidemiology; D010272:Parasitic Diseases / Q000453:epidemiology; D006113:United Kingdom