Mayo Clinic researchers have found a 33 percent drop in heart attack rates in a Minnesota county after public smoking bans were enacted. This, while rates of hypertension, diabetes, high cholesterol and obesity remained the same or even increased after the ban was put in place, reports The New York Times. The conclusion: “I think the bottom line is this should turn the page on the chapter discussing whether or not secondhand smoke is a risk factor for heart attacks,” said Dr. Richard D. Hurt, an author of the study and a professor of medicine at the Mayo Clinic in Rochester, Minn.
The study, published in Archives of Internal Medicine, was conducted in Minnesota's Olmstead County where medical records were examined 18 months before the county's 2002 public ban went into effect and 18 months after it extended the ban to all workplaces in 2007. (Read more)