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Air Pollution And Cancer

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...In 1996 the Environmental Protection Agency announced that tens of thousands of people are killed each year by air pollution (Merline, 1997). Other studies are more specific, several estimate that 60,000 die in the United States a year as a result of exposure to air pollution (Moore, 1995). The impacts of air pollution to human health run the gamut from the obvious respiratory complications, to fetal and infant death, to long-term brain and nerve damage. Another integral connection between air pollution and human health is cancer.
The precise link between air pollution and cancer is, even on first consideration, determined by the particulate nature of the pollution. The specific nature of air pollution is determined by its source. Some, for example, is linked to automobile exhaust, while other pollution is linked to factory emissions, the emissions for power generation plants, or even smaller sources such as the wood fires in our homes or even our backyard barbecues.
The particles of concern are extremely small, only 2.5 microns in diameter (Merline, 1997). Exposure to particulate pollution can...

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