Where There's Vapor, Is There Fire? We Need Evidence on E Cigarettes RAND While vaping is not risk free, it is less harmful than tobacco Our World in Data How E Cigarettes Affect Your Lungs: Results of an Online Survey of Users E Cigarette Direct Perception of e cigarette control policies and education in schools on increased legal knowledge, harm perception, susceptibility and e cigarette use among students in Thailand: A cross sectional classroom based survey