Exposure to e cigarette advertising and young people's use of e cigarettes: A four country study Many people turn to vaping, thinking it's a safer alternative to smoking. However, this belief is misleading and potentially harmful. This #NationalLungMonth, let us acknowledge that vaping is not risk free and can E cigarette risk perceptions an American crime scene The Counterfactual What Does Vaping Do to Your Brain? University of Nevada, Reno