There is mounting evidence that exposure to higher levels ofair pollution is associated with adverse cardiovascular consequences.A recent scientific statement from the American Heart Associationconcluded that transient changes in air pollution are associatedwith a short-term increased risk of cardiovascular disease anddeath.1 There is also convincing evidence for an associationbetween air pollution and myocardial ischemia and infarction,ventricular arrhythmia, heart failure exacerbation, and stroke.1,2,3,4,5Mechanisms that have been proposed as possible explanationsfor these associations include direct effects from agents thatcross the pulmonary epithelium into the circulation, includinggases and the soluble constituents of . . . [Full Text of this Article]
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From the Cardiovascular Epidemiology Research Unit, Beth Israel Deaconess Medical Center, Boston.
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