Electronic cigarettes, or e-cigarettes, were first explored in the 1960's, with the goal towards creating a cigarette whereby one could inhale nicotine without inhaling tobacco smoke. They were initially marketed as "safe cigarettes" to help cigarette smokers transition to smoking cessation. Indeed, studies did show that adult cigarette smokers who used e-cigarettes were more likely to have successful smoking cessation than those who used other types of nicotine replacement therapies. [...]