HLTC42H3 Chapter Notes - Chapter 1: Geosphere, Overconsumption, Environmental Health

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What is the environment: environment is everything that affects a living organism, effect of environment on human health is so great. Your environment is your health, but not the only factor influencing your health. Genetic makeup increases exposure to environmental risk factor. Genetic makeup increases susceptibility to environmental risk factor. Genetic makeup and environmental factor are independent risk factors. Physical (only man-made) housing, urban development, land use, transportation. Types of hazards: chemical hazard: chemicals in air, water, soil, and food, biological hazards: bacteria, viruses, parasites, allergens, animals such as bees and poisonous snakes, physical hazard: radiation, fire, tornado, hurricane, volcano eruption, earthquake are natural disasters. Core concerns of environmental health: focus on chemical, physical, biological hazards. Interactions with genetic traits and with social/behaviour stressors: emphasis on anthropogenic hazards, much more than just pollution, as branch of public health, the field of environmental health takes a population perspective.

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