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Mayo researchers attribute drop in heart attacks to smoke-free workplaces

Researchers at the Mayo Clinic say heart attacks in Olmsted County dropped by one-third after Minnesota adopted a law banning smoking in all workplaces, including bars and restaurants. The leader of Mayo's study tells Reuters other risk factors -- cholesterol, blood pressure, obesity -- stayed the same, leaving the reduction in second hand smoke as the apparent explanation for the decline.
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Researchers at the Mayo Clinic say heart attacks in Olmsted County dropped by one-third after Minnesota adopted a law banning smoking in all workplaces, including bars and restaurants. The leader of Mayo's study tells Reuters other risk factors -- cholesterol, blood pressure, obesity -- stayed the same, leaving the reduction in second hand smoke as the apparent explanation for the decline.

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