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Inhaling a heart attack: How air pollution can cause heart disease
Date:3/22/2009

BETHESDA, Md. (March 23, 2009) We are used to thinking of heart disease as a product of genetic factors or lifestyle choices, such as what we eat and how much we exercise. There is another road to heart disease: breathing.

Accumulating evidence indicates that an increase in particulate air pollution is associated with an increase in heart attacks and deaths. Research has begun in the relatively new field of environmental cardiology -- a field that examines the relationship between air pollution and heart disease.

Aruni Bhatnagar of the University of Louisville and Robert Brook of the University of Michigan have organized a symposium Environmental Factors in Heart Disease, to take place April 21 at the Experimental Biology conference in New Orleans. The American Physiological Society is one of the sponsors of the annual conference. Dr. Bhatnagar will speak on Environmental aldehydes exposure and cardiovascular disease, while Dr. Brook will give a talk on Environmental pollution and hypertension. In addition, Araujo Jesus of UCLA will speak on Exacerbation of experimental atherogenesis by ultrafine air pollution, and Murray Mittleman of the Harvard School of Public Health will speak on Air pollution and stroke.

There have been a number of studies connecting pollution with heart disease:

  • A study of six U.S. cities found that people died earlier when they lived in cities with higher pollution levels. A majority of these deaths were due to heart disease. vA study of 250 metropolitan areas around the world found a spike in air pollution is followed by a spike in heart attacks.
  • A study in Salt Lake City found that when a nearby steel mill shut down for a period of months, there was a 4-6% drop in mortality. The mortality rose to previous levels when the steel mill reopened.

The people who seem to be most susceptible to environmental pollutants are the people who are already vulnerable, includin
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Contact: Christine Guilfoy
cguilfoy@the-aps.org
301-634-7253
American Physiological Society
Source:Eurekalert  

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