Lecture 01 - Is Environment related to Cancer? Kristan...

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Is Environment related to Cancer? Kristan Aronson, PhD Professor Dept of Community Health and Epidemiology, Faculty of Health Sciences and School of Environmental Studies Queen’s University, Kingston, Ontario
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Environment and Cancer relationship World Health Organization: “up to 80% of cancers are caused by environmental and occupational factors, including exposure to hazardous chemicals” Main culprit: TOBACCO! Other factors: diet, physical activity, UV radiation, etc.
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Definitions of Environment Broad: anything not genetic (social, physical, chemical, biological “exposures”) Intermediate: specific plus occupational exposures, UV radiation Specific: contaminants in air, water, soil, and food: PCBs, PAHs, benzene, etc.
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SPECIFIC Environment and Cancer Relationship 5 to 15% (Boyd and Genius, 2007) 10 to 15% (Health Canada)
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5 to 15% Water chlorination by-products Air pollution (PAHs, particulates etc) Second-hand tobacco smoke Asbestos Radon Some solvents Some pesticides and fertilizers (nitrates)
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This note was uploaded on 02/23/2012 for the course EPID 301 taught by Professor Richardson&aronson during the Spring '09 term at Queens University.

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Lecture 01 - Is Environment related to Cancer? Kristan...

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