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ENVS 4040 (15)
Lecture

lec 7.docx

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Department
Environmental Sciences
Course Code
ENVS 4040
Professor
Linda Hunter

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What are some of the factors in the environment that influence our health? o There are direct and indirect factors :  chemical (e.g. organic and inorganic)  physical  social factors (e.g. housing, urban development, land use and transportation) What is the environment? It is everything that affects a living organism (e.g. wolf, bird, plants)  Compartments of environment that affect human health are: o Air o Water o Soil o Manmade Developments Environmental Health  Humans have changed and disturbed the environment in various ways  Human population and consumption of resources resulted in the alteration of Earth substantially and growing  Some suggest 80% of the Earth’s surface has been altered by human forces  Why? Two reasons indicate the exponential growth of the human species and consumption of resources to improve our lives (e.g. luxurious purchases)  Protecting the environment has been a mainstay of public health practices since 1878  Protecting the environment may be the best way to protect public health and reduce environmental diseases  Most environmental diseases are preventable.  Environmental factors are responsible for 25% of all preventable diseases (e.g. diarrhea and respiratory infections are best examples –top of the list of preventable diseases
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