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lecture 20 - Goals Lecture 20 Environmental and...

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1 Lecture 20 Environmental and Occupational Epidemiology Goals 1. Give examples of environmental agents and associated health outcomes 2. Understand and describe landmark environmental and occupational studies Health Consequences of Environmental & Occupational Exposures { Asbestos & mesothelioma (merchant marines, shipyard workers) { Lead & mental retardation (old paint) { Benzene & leukemia (gas station workers) Environmental Epidemiology The study of how physical, biologic, and chemical factors in the environment affect human health (US National Research Council) Examples: { Pollution (air, water) { Chemical spills { Pesticides { Electromagnetic radiation { Heavy metals The Environment & Disease Trends The age-adjusted incidence and mortality of cancer increased from 1950 to 1988 Could be related to: { New screening techniques { New diagnostic tests { New treatments { Environmental and/or occupational factors Chemical Agents { Pesticides { Organochlorides (DDT) and breast cancer { Organophosphates and cancer and sterility { Vinyl Chloride { Used in the plastics industry { Associated with liver cancer { Asbestos { Used in shipyards, insulation, and cars { Associated with mesothelioma and asbestosis
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