PUBH 1515 Public Health Week 3 Chapter 3 1

PUBH 1515 Public Health Week 3 Chapter 3 1 - Chapter 3...

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Chapter 3 General Principles of Epidemiology The definition of health according to the World Health Organization is a “ state of complete physical, mental and social well being”. Health is not merely the absence of disease or infirmity. Preventive (Health Care) medicine concentrates on keeping people well. 1. Primary prevention is the prevention of disease or injury. Health education encourages individuals to develop good health habits. Environmental modification tries to help decrease injuries from falls, fires, vehicle accidents, and to develop adequate sewage and clean drinking water. 2. Secondary prevention is the early detection and proper treatment of a disease. Screening programs are used to detect disease processes at an early stage. 3. Teritary prevention limits itself with the disability or rehabilitation from diseases. Public health can be defined as those activities of a government agency or community group that is not normally done by the private sector to improve the health status of the community or to individuals in the community. Public health agencies are to perform certain functions. 1. Assessment = systematic collection and analysis of available data that describes the health status of the community. 2. Policy development = based on scientific and technical knowledge along with public values and opinions. 3. Assurance = make sure the goals are being met. Some of the Public Health Agencies are : 1. Department of Health and Human Services controls the Food and Drug Administration, Centers for Disease Control, and United States Public Health Service. 2. Food and Drug Administration (FDA) is responsible for the safety of regulating health products and restricts the product misrepresentation in the health advertising and promotion. 3. Centers for Disease Control (CDC) compiles statistics on mortality and morbidity, and also keeps track on epidemics. 4. U.S. Department of Agriculture (USDA) is responsible for milk and milk products.
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5. National Institute of Health (NIH) is responsible for finance and research of health products. 6. The Environmental Protection Agency (EPA) is responsible for water purity and hazardous waste. Epidemiology refers to the study of the distribution and determinants of diseases or conditions in a defined population. How and why do individuals become sick? Modem epidemiology is now becoming a
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PUBH 1515 Public Health Week 3 Chapter 3 1 - Chapter 3...

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