According to new research, living near a noisy and busy highway does more than damage your peace of mind, it could even lessen your lifespan .
Researchers from University of Duisburg-Essen, Germany say that long-term exposure to air pollution from a nearby highway or busy road can raise the risk of hardening of the arteries, which in turn could lead to heart disease and stroke.
Led by Barbara Hoffmann, the study claims to be the first to actually show a relationship between long-term traffic exposure and coronary atherosclerosis. According to Hoffmann, living close to busy traffic, which is a major source of urban air pollution, is linked to atherosclerosis in the coronary arteries, the blood vessels that supply the heart.
As part of the study, the researchers examined 4,494 adults, aged 45 to 74, in three large cities in the industrialized Ruhr area of Germany .The participants home addresses were used to estimate each person's exposure to urban air pollution. The study subjects were also interviewed about other risk factors such as diabetes and smoking. In addition, there were extensive clinical examinations, and subjects had their coronary artery calcification (CAC) measured by electron-beam computed tomography (EBCT).
The researchers found that the closer the participant lived to heavy traffic, the higher the CAC and that compared with people who lived more than 200 meters from major traffic. The chance of high coronary artery calcification was 63 percent greater for those living within 50 meters.
For people within 51 meters to 100 meters the chance was 34 percent higher and was 8 percent higher for those within 100 meters to 200 meters of heavy traffic.
Though other studies have linked elevated levels of air pollution to an increased risk of heart problems, this is the first to demonstrate that living near high traffic is associated with coronary atherosclerosis.
The researchers plan a fi
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