environmental health services Flashcards
what percent of global death and disease is due to environmental hazards?
1/4 of disease and 1/3 for children
Exposure disease model
source, movement of pollutants, human exposure dose, adverse health affects
WHO definition of EH
aspects of human health , including quality of life determined by factors in the environment- physical, biological, chemical
NIEHS
discover how the environment affects people in order to promote healthier foods
What do both definitions of EH include?
both definitions implicitly address issues related to food, air, water, waste disposal, sustainability, etc.
How many deaths were caused by pollution in 2015?
9 million premature deaths cause by pollution in 2015
Hazard
a chemical, biological, or physical agent or set of conditons capable of causing a biological response
Source
natural (lighting, volcanos, forest), area(livestock, cities), stationary(industry, power plant, sewage treatment), mobile (airplanes, cars, truck)
Movement of Pollution
through air, water, ingestion, dermal, spill
Human exposure
contact between person and hazard: over time and space
Dose
how much of agent enter the body and is available to cause harm
Adverse health effects
can be any severity or longevity
effects from environmental hazards
asthma, skin cancer injuries, zika, hear loss
Motivation of environmental health issue
cholera- environmental epidemiology
smog- air pollution
DDT- ban in US, recognition of adverse impacts of pesticides
Chernobyl- improved nuclear power plant safety
environmental health goals
be proactive, anticipate and prevent tradegy, and health impacts