Electronic cigarettes have been around for more than a decade. They allow users to inhale a puff of vaporized nicotine and flavoring, instead of smoking. There’s no doubt these products are safer than cigarettes, if you already smoke. But safe? Not really. And what a person believes about the risks of vaping versus smoking depends on their worldview of authority. We discuss with Michael Eriksen, Dean of the School of Public Health at Georgia State. Kristin Higgins from Emory’s Winship Cancer