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Human Health Risk Factors
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3 Categories of Human Health Risks
1. _________ 2. __________ 3. ___________
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Leading Causes of Death in the World
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Leading Causes of Death in the World
1. Infectious Diseases 2. 1. 3. 2; 4. 3. 5. 4. 6. 5. 7. 6.
7.
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Biological Risks
Infectious diseases- _________
_______________________________________________________Examples:_________________________
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4 Types of Pathogens
_______________________ _______________________ ____________________ ______________________
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Biological Risks
___________________ slowly impairs the functioning of the person’s body
__________________rapidly impairs the functioning of the person’s body
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Leading World Health Risks for Chronic diseases:Comparison of Low-income countries to high-income countries
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Leading World Health Risks for Chronic diseases Low-income High-income
1._______________ _________________ 2._______________ _________________ 3._______________ __________________ 4._______________ _________________ 5._______________ _________________
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Changes in Risks over Time
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Describe the changes in Risks over time.
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Historical Disease:
_________________________________
_________________________________ Examples:
____________________________________________
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Emergent Diseases
__________________________________ Examples
AID/HIVEbola Hemorrhagic FeverMad Cow diseaseBird FluWest Nile Virus
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Locations of Emergent Diseases
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Ebola hemorrhagic fever-highly lethal; no known treatment.
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Pathways of Transmitting Pathogens
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Pathways of Transmitting Pathogens
1. 2. 3. 4. 5. 6.
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Infectious Diseases have Killed large numbers of people ______________: When a pathogen
causes a rapid increase in disease ______________: When an epidemic
occurs over a large geographic area.
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The Future of Human Health
To combat diseases in Low-income countries____________________________________________________________________________________________________________________
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The Future of Human Health
In high-income countries health efforts should focus on
__________________________________ ______________________________________ _______________________________________ __________________________________________
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Types of Harmful Chemicals
____________ ____________ _____________ _________________ _________________
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Neurotoxins
__________________________________ Examples: _________________________
________________________________ In 1970’s government started requiring
reductions of lead in gasoline and paint.
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Decline of lead in children over time.
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Describe the changes in lead levels in children since 1976.
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Carcinogens
________________________ They cause cell damage and lead to
uncontrolled cell growth. _____________________________ of
genes that regulate cell growth. These types are called ________________
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Common Carcinogens
_______________ ______________ ___________________ _____________________
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Teratogens
____________________
______________________
_____________________. Most famous one
was thalidomide
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Allergens
_________________________________
________________________________Can cause breathing difficulties and death
Examples: peanuts, chemicals in milk, drugs like penicillin and codeine.
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Endocrine disruptors
_______________________________
_________________________________. Can enter wastewater from farm animals,
can come from birth control pills in residential sewage, and pesticides that mimic animal hormones.
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List 4 chemicals of major concern. List one from each type Tell what type it is and what its effect is.
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