REUTERS: Smoking bans in public places can reduce the number of heart attacks by as much as 36 percent, offering fresh proof that the restrictions work, U.S. researchers said on Monday. They urged widespread bans on smoking in enclosed public places to prevent heart attacks and improve public health. “This study adds to the already strong evidence that secondhand smoke causes heart attacks, and that passing 100 percent smoke-free laws in all workplaces and public places is something we can do to protect the public,” James Lightwood of the University of California-San Francisco, whose study appears in the journal Circulation, […]