Dr. Terry Pechacek, with the seniors Centers for disease control in preventions office Disease Control and Prevention's Office on smoking Smoking and hall Health, says the study indicates that second-hands secondhand smoke maybe in under-recognised may be an under-recognized cause of heart attack deathdeaths.

" For too long , we've considered exposure to second-hand secondhand smoke in restaurants, bars, and other places is as typical in and common. Harvad's estate indicates , however, these data indicate that even briphest exposures brief exposure to second-hand secondhand smoke can produce rapid and adverse changes in the function functioning of the heart and blood, and cause haert heart attacks. "

In 2003, the city of Pueblo, Colorado passed a law making public places and work places smoke freeworkplaces smoke-free. Researchers say they found there were 399 hospital admissions for heart-attacks heart attacks in Pueblo and in the 18 months before the ban, after . After the no-smoking law was passed, 237 people were hospital lost hospitalized for heart attacks in the same time period.