Transcript How is Human Health Linked With The Environment?

How is Human Health Linked
With The Environment?
Environmental Hazards: Cultural, Biological,
Physical, & Chemical
Cultural: Risky behavior that subjects one to
hazards
Biological: Infectious Diseases
Physical: Natural Disasters such as hurricanes,
floods, tornadoes, fires, earthquakes
Chemical: Toxic chemicals from industry and
technology in paints, pesticides, fuels medicines
and cleaning agents
Let’s Begin With Risk Assessment
 Everything we do involves some risk!
 The process of evaluating a particular hazard before
taking action is known as risk assessment.
What’s Your Risk?
Top 20 Most Hazardous Substances










Arsenic
Lead
Mercury
Vinyl Chloride
Benzene
Polychlorinated Biphenyls
(PCBs)
Cadmium
Benzopyrene
Polycyclic Aromatic
Hydrocarbons
Benzofluroanthene










Chloroform
DDT
Aroclor 1260
Aroclor 1254
Trichlorethylene
Chromium
Dibenzanthracine
Dieldrin
Hexachlorbutadiene
DDE
What is Epidemiology?
The study of the presence, distribution and control of disease
 Life Expectancy: universal indicator of health
 In 1955,averagelife expectancy was 48
 In 2000; 67 and by 2023; 73
 CDC (Center for Disease Control & Prevention) US federal agency
 WHO (World Health Organization) established 1948 by United Nations