Readings for Today• Coursepack: Basic Environmental HealthCoursepack: Basic Environmental Health “Air”2
Outline• What is a health effect?What is a health effect?•Dose-effect and dose-response curves• Pollutants in air and their effects on humansPollutants in air and their effects on humans•Key studies linking long term exposure and health outcomes in populations: need tohealth outcomes in populations: need to understand idea of cohort and relative risk•Does improved air quality lead to better health?3
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What is a Health Effect?• Damage to health that an environmentalDamage to health that an environmental hazard can cause in an individual • Where hazard is understood to mean “a•Where hazard is understood to mean a factor or exposure that may adversely affect health” (Last 1995)affect health (Last 1995) 4