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Lecture 10

Study Guide for Lecture 10: information from lecture slides + information added by prof during lecture

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University of Toronto Scarborough
Environmental Science
Jovan Stefanovic

EESA10 Human Health and the Environment LECTURE 10 Slide: Childrens Environmental Health - There are different exposure patterns between children and adults - Children are exposed in different ways (different pathways of exposure) and their patterns of exposure are different from adults - Limited diet: children have higher metabolic rates; children consume 3-4 times more food in proportion to their body size than adults, and consume fewer types of food (large quantities of specific foods), drink more water relative to their body weight o When foodwater is contaminated, children take in more contaminants relative to their body size - Unique behaviour: children are not as sanitary (touch mouths without washing hands), at risk of ingesting small objects, at risk of lead ingestion (contaminated paints, toys), children are naturally curious and like to put things in their mouths - How and where they spend time: prone to skin infections more than adults because may crawl on contaminated grass, play in contaminated sand, etc., have higher risk of getting fungal diseases - Impact of short statue: the breathing zone of children is lower than the adult breathing zone (around 4-6 ft), children breathe closer to the ground - Environmental health: children have different skin; more permeable to chemicals, larger surface area of intestines means more of a chance that the contaminants will be absorbed, 7-8 hours are necessary for children to excrete food (relatively long time) increasing the chance the contaminant is absorbed, children breathe twice as more, are more active than adults, etc. Slide: Womens Health and Environment - Womens health has a role in reproduction and in the bearing and nursing of their children, influences the health of their children (woman who has good health will be taking care of her childs health in turn) o Pregnancy is a sensitive period for the development of their children
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