This function also has ASP code. Tiny air particles pose greatest threat to at-risk individuals, study finds Hazy smog blankets Houston last summer.
New research finds that as air pollution increases, so does the risk of heart attack.
Exposure for as little as two hours to elevated levels of fine particulate air pollution the kind in automobile emissions raises the likelihood of heart attack, especially among people already at risk for cardiac disease, according to a new report. As the level of air pollution went up, the risk went up. Patients experienced a 48 percent rise in heart attack risk in the two hours after exposure to high levels of this type of invisible air pollutants . They also experienced an increased risk even 24 hours after exposure, according to results published in this week s edition of Circulation, a journal of the American Heart Association. As the level of air pollution went up, the risk went up, said Dr. Murray Mittleman, director of cardiovascular epidemiology at Boston s Beth Israel Deaconess Medical Center, who led the study.