About Public health

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Title Public health
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(from Freebase)
Public health is "the science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society, organizations, public and private, communities and individuals." (1920, C.E.A. Winslow) It is concerned with threats to the overall health of a community based on population health analysis. The population in question can be as small as a handful of people or as large as all the inhabitants of several continents (for instance, in the case of a pandemic). Public health is typically divided into epidemiology, biostatistics and health services. Environmental, social, behavioral, and occupational health are also important subfields. There are 2 distinct characteristics of public health: 1. It deals with preventive rather than curative aspects of health 2. It deals with population-level, rather than individual-level health issues The focus of public health intervention is to prevent rather than treat a disease through surveillance...
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