Human Health Risk Factors

3 Categories of Human Health Risks

1. _________ 2. __________ 3. ___________

Leading Causes of Death in the World

Leading Causes of Death in the World

1. Infectious Diseases 2. 1. 3. 2; 4. 3. 5. 4. 6. 5. 7. 6.

7.

Biological Risks

Infectious diseases- _________

_______________________________________________________Examples:_________________________

4 Types of Pathogens

_______________________ _______________________ ____________________ ______________________

Biological Risks

___________________ slowly impairs the functioning of the person’s body

__________________rapidly impairs the functioning of the person’s body

Leading World Health Risks for Chronic diseases:Comparison of Low-income countries to high-income countries

Leading World Health Risks for Chronic diseases Low-income High-income

1._______________ _________________ 2._______________ _________________ 3._______________ __________________ 4._______________ _________________ 5._______________ _________________

Changes in Risks over Time

Describe the changes in Risks over time.

Historical Disease:

_________________________________

_________________________________ Examples:

____________________________________________

Emergent Diseases

__________________________________ Examples

AID/HIVEbola Hemorrhagic FeverMad Cow diseaseBird FluWest Nile Virus

Locations of Emergent Diseases

Ebola hemorrhagic fever-highly lethal; no known treatment.

Pathways of Transmitting Pathogens

Pathways of Transmitting Pathogens

1. 2. 3. 4. 5. 6.

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.

The Future of Human Health

To combat diseases in Low-income countries____________________________________________________________________________________________________________________

The Future of Human Health

In high-income countries health efforts should focus on

__________________________________ ______________________________________ _______________________________________ __________________________________________

Types of Harmful Chemicals

____________ ____________ _____________ _________________ _________________

Neurotoxins

__________________________________ Examples: _________________________

________________________________ In 1970’s government started requiring

reductions of lead in gasoline and paint.

Decline of lead in children over time.

Describe the changes in lead levels in children since 1976.

Carcinogens

________________________ They cause cell damage and lead to

uncontrolled cell growth. _____________________________ of

genes that regulate cell growth. These types are called ________________

Common Carcinogens

_______________ ______________ ___________________ _____________________

Teratogens

____________________

______________________

_____________________. Most famous one

was thalidomide

Allergens

_________________________________

________________________________Can cause breathing difficulties and death

Examples: peanuts, chemicals in milk, drugs like penicillin and codeine.

Endocrine disruptors

_______________________________

_________________________________. Can enter wastewater from farm animals,

can come from birth control pills in residential sewage, and pesticides that mimic animal hormones.

List 4 chemicals of major concern. List one from each type Tell what type it is and what its effect is.