A study published by The Lancet concludes that “long-term exposure to traffic-related air pollution may shorten life expectancy.”
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This long-term cohort study confirms the findings of the Harvard Six Cities Study and the study of the American Cancer Society Cohort that found an association between chronic exposure to particulate air pollution and shortened life expectancy.
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The nasal cavity is a common route of entry for inhaled air pollutants.
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Researchers used a concentrating device to test whether short-term exposures to ambient air particles from Boston, MA caused pulmonary inflammation in normal rats and in rats with chronic bronchitis.
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A study of laboratory rabbits found that atherosclerosis, a disease marked by cholesterol-lipid-calcium deposits in the walls of the arteries, was accelerated by exposure to PM10, compared to rabbits exposed to clean air.
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With the aid of a radioisotope enhanced imaging technique, researchers in Belgium have shown that ultrafine particles can enter a person’s bloodstream from the lungs.
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The reduction in sulfur dioxide and total suspended particulate levels in eastern Germany following reunification provides a natural experiment to assess associated improvements in human health.
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This study used two analytical techniques to assess associations between different size fractions of particulate matter and asthma hospitalization among children ages 6-12 living in Toronto, Canada between 1981 and 1993.
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A study in Erie County, New York (excluding the city of Buffalo) has shown that children living in neighborhoods with heavy truck or trailer traffic within 200 meters of their homes had increased risks of asthma hospitalization.
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The effect of daily ambient air pollution was studied in a cohort of 850 asthmatic children ages 4-9 living in eight inner city urban areas in the U.S. The urban areas studied were Bronx and East Harlem, NY, Baltimore, MD, Washington, DC, Detroit, MI, Cleveland, OH, Chicago, IL and St. Louis, MO.
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