While vaping is not risk free, it is less harmful than tobacco Our World in Data E Cigarettes: Patent Analysis and Technological Evolution by Copperpod IP Medium Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Spin, Science and E Cigarettes CBC Radio Scientific review finds e cigarettes likely cause lung and oral cancer How Do Cigarettes Cause Cancer? Memorial Sloan Kettering Cancer Center