"Danger" AIR POLLUTION CAUSES HARDENING OF THE BLOOD VESSELS, EVENTUALLY TO HEART DISEASE
15.9.13
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Exposure to air pollution in the long term will accelerate the process of atherosclerosis or hardening of the arteries. The condition will eventually lead to heart disease and stroke.
The findings are generated in a study of 5,400 people aged 45-84 years in six cities in the United States who do not have heart disease.
The researchers measured levels of air pollution throughout the house and compare with hardening of the arteries by ultrasound measurements were carried out three years later. After comparing other factors, such as smoking, the researchers found arterial stiffness 0.014 millimeters each year due to air pollution.
Hardening of the two layers of the carotid artery that supplies blood to the head, neck and brain, occurs more rapidly after exposure to high concentrations of air pollution.
The researchers said that the hardening of the carotid artery is an indicator of how aterosklersosis occur throughout the body.
Other studies have indicated that people living in areas with high air pollution are at higher risk of stroke compared to those who live in areas where the air cleaner.
On the other hand, to reduce exposure to pollution can help slow virgin hardening of the arteries.
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