Using a straightforward systems approach public health what it is and how it works explores the inner workings of the complex modern us public health system what it is what it does how it works and why it is important. Surveys have found that while citizens know public health is important to them they arent always exactly sure what it is or how it has touched their lives the public health works campaign raises awareness of the essential services that public health workers and the public health system provide . Public health promotes and protects the health of people and the communities where they live learn work and play while a doctor treats people who are sick those of us working in public health try to prevent people from getting sick or injured in the first place. Turnock community health sciences university of illinois chicago introduces a unifying conceptual model that characterizes public health by its missions functions capacity processes and outcomes he outlines the origins and development of public health examines the infrastructure of the public health system and discusses public health acti. Welcome to the accompanying website for public health what it is and how it workswe are pleased to provide these online resources to support classroom education using a straightforward systems approach this text explores the inner workings of the complex modern us public health system what it is what it does how it works and why it is important
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