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Diabetics susceptible to compromised cardiovascular function from high levels of air pollution

traffic emissions, were associated with nearly 100,000 cardiovascular related deaths per year. What wasn't clear at that time was a demonstrated mechanism linking particle pollution to an increased risk for heart attacks or death.

Joel Schwartz, senior author of the study and professor of environmental epidemiology at the Harvard School of Public Health said, "This research highlights an important mechanism by which particles can increase the risk of heart attacks and deaths. If particles can impair the function of our arteries, it is understandable that this could increase the risk of death from heart disease. This puts greater emphasis on controlling air pollution sooner rather than later." Schwartz also noted that subjects without diabetes were not affected. "The number of diabetics in the US population is increasing rapidly, suggesting the impact of air pollution is likely to rise. This study shows that both coal-burning powerplants and diesel engines produce dangerous pollutants and should be controlled," said Schwartz. Because everyone did not respond the same, Schwartz highlighted the need for studies to identify other susceptible populations in addition to diabetics.


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Contact: Kevin C. Myron
kmyron@hsph.harvard.edu
617-432-3952
Harvard School of Public Health
7-Jun-2005


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