Public health is a multi-disciplinary field that aims to 1) prevent disease and death, 2) promote a better quality of life, and 3) create environmental conditions in which people can be healthy by intervening at the institutional, community, and societal level. Whether public health practitioners can achieve this mission depends upon their ability to accurately identify and define public health problems, assess the fundamental causes of these problems, determine populations most at risk, develop and implement theory and evidence based interventions, and evaluate and refine those interventions to ensure that they are achieving their desired outcomes without unwanted negative consequences.
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Public Health and Healthcare 