(by Chris Sawyer)
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The ban on smoking in public places, such as bars and restaurants, has been one of the greatest public health debates of the early 21st century. Now, two large studies suggest that communities that pass laws to curb secondhand smoke get a big payoff -- a drop in heart attacks.
Overall, American, Canadian, and European cities that have implemented smoking bans had an average of 17 percent fewer heart attacks in the first year, compared with communities who had not taken such measures.
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