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HLT-305 – Legal and Ethical Principles in Health Care
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Epidemiology: A Field IntroductionEpidemiology is considered one of the little known fields of health sciences. The following information will help explain the importance this field by providing a definition of epidemiology and identifying the five objectives of the science to help illustrate the important role it plays in population health. Additionally, an overview of three of the many subspecialties of epidemiology will be discussed. After reviewing these important definitions and guiding principles, the conclusion will include an example of the role of epidemiology in a current national health issue that will enhance the understanding of the importance of this field in health sciences. Simply stated, epidemiology is the study disease occurrence. More specifically, epidemiology is an integral part of basic disease description and provides answers to the questions of why and how diseases occur in different groups of people (Coggon, Rose & Barker, 2013). The information found from the study of epidemiology is used in many aspects of public health to help shape, plan and evaluate prevention and intervention strategies (Coggon et. al., 2013). The essential career function of an epidemiologist is to answer the why and how questionsof disease occurrence with the ultimate goal of reducing the occurrence and risk of negative health outcomes through research, community education and health policy (Bureau of Labor Statistics, 2015). An epidemiologist work is guided by the five objectives of epi………….
