Washington: Both air and noise pollution may increase an individual`s risk of developing cardiovascular disease, according to a study in which both factors were considered simultaneously.Using data from the Heinz Nixdorf Recall study, an ongoing population study from three neighbouring cities in the Ruhr region of Germany, study leader Barbara Hoffmann, MD, MPH, a professor of environmental epidemiology at the IUF Leibniz Research Institute for Environmental Medicine in Germany and her colleagues assessed the long-term exposure to fine particulate matter with an aerodynamic diameter <2.5 micrometre (PM2.5) and long-term exposure to traffic noise in 4238 study participants (mean age 60 years, 49.9 percent male).The exposure to air pollutants was determined by using the EURopean Air Pollution Disperson, or EURAD, model.Exposure to traffic noise was calculated using European Union models of outdoor traffic noise levels. These levels were quantified as weighted 24-hour mean exposure (Lden) and nighttime exposure (Lnight).
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