EESA10H3 Lecture Notes - Habitat Destruction, Lethal Dose, Improved Sanitation
Document Summary
Social environment (housing, urban development, land use and transportation: environment is everything that affect a living organism, effect of environment on human health is so great. Manmade environment: human population and consumption, human alteration of earth is substantial and growing, environmental factors responsible for. Diarrhea and respiratory infections heading in the list. Protecting the environment has been a mainstay of public health practices since 1878. Arborne hazards and human health: air pollution is formed naturally [forest fires, volcanoes that can be avoidable] and manufacture [burning fossil fuels, outdoor air pollutions: Good in stratosphere b/c stratosphere protects us from uv & does not form ground level. Transported over long distances does not matter where it forms e. g. asia & affect us in n. america. Lung damage (small airways) lung disease. Shortness of breath, chest tightness, coughing & nausea. Irritate & damage eyes, nose, sinuses, & throat. Volatile compounds w/ nitrogen = photochemical reaction, triggered by sun.