Thursday, February 1, 2007

Study links air pollution particles, heart disease

Air pollution might help cause heart disease and strokes Reuters/Yahoo!News "women living in areas with high concentrations of tiny particles of air pollution were more prone to strokes, heart attacks and other forms of heart disease than those living where the air is cleaner...Each time the concentration of particulates increased by 10 micrograms per cubic meter of air, a woman's risk of dying from heart disease rose by 76 percent, the researchers found..."The magnitude of health effects may be larger than previously recognized,"...The particles in question are so tiny that at least 400 laid end-to-end would be needed to cover 1 millimeter (0.04 inch). They come from burning fossil fuels...Other air pollutants including sulfur dioxide, carbon monoxide, ozone and nitrogen dioxide, did not increase the heart attack risk, the study said" (Dr. Joel Kaufman)

It isn't known why these particles increase the risk of heart disease and stroke. The working theory for now is that these particles cause inflammation and from that, disease.

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