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 health 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). The dimensions of health can encompass "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity", as defined by the United Nations' World Health Organization. Public health incorporates the interdisciplinary approaches of epidemiology, biostatistics and health services. Environmental health, community health, behavioral health, health economics, public policy, insurance medicine and occupational health (respectively occupational medicine) are other important subfields.
The focus of public health intervention is to improve health and quality of life through the prevention and treatment of disease and other physical and mental health conditions, through surveillance of cases and the promotion of healthy behaviors. Promotion of hand washing and breastfeeding, delivery of vaccinations, and distribution of condoms to control the spread of sexually transmitted diseases are examples of common public health measures.
Modern public health practice requires multidisciplinary teams of professionals including physicians specializing in public health/community medicine/infectious disease, epidemiologists, biostatisticians, public health nurses, medical microbiologists, environmental health officers / public health inspectors, dental hygienists, dietitians and nutritionists, veterinarians, public health engineers, public health lawyers, sociologists, community development workers, communications officers, and others.
Read more about Public Health: Objectives, History, Education and Training, Public Health Programs
Famous quotes containing the words public health, public and/or health:
“And when we get too far apart in wealth,
‘Twas his idea that for the public health,
So that the poor won’t have to steal by stealth,
We now and then should take an equalizer.”
—Robert Frost (1874–1963)
“I cannot trust myself to put in words what I feel at this time. Every kind thought that is in your minds and every good wish that is in your hearts for me finds its responsive wish and thought in my mind and heart for each of you. I love this city. It has been my own cherished home. Twice before I have left it to discharge public duties and returned to it with gladness, as I hope to do again.”
—Benjamin Harrison (1833–1901)
“A major difference between witches and psychotherapists is that witches see the mental health of women as having important political consequences.”
—Naomi R. Goldenberg (b. 1947)