EESA10H3 Lecture Notes - Occupational Hazard, Zoonosis, Biotransformation

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Human health and environment lec 10: environmental hazards to specific populations. Four most important at-risk groups: children, women, workers and the elderly. Eat 3-4 times more food in proportion to their body size than adults. Drink more water relative to their body weight. Children have higher metabolism eat, breathe and drink more per body weight than adults take in more contamination higher concentration in body. Mouthing behaviour (2-6 year olds touch their mouths about 9 times every hour) Can lead to ingestion of soil (deliberate/compulsive behaviour), paint, small objects, infectious agents, disinfection byproducts. Exposure to sun risk from sun increases with age adolescents less like to put on sunscreen than children. Crawling and playing on the floor (dust, pollutants, infectious agents, radon) Zoonosis illnesses that can be transmitted from animals to people. Breathing zone of the adults is 4-6 feet above the floor/ground for children it is much lower. More active than adults (eat more, drink more, breathe more)

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