While vaping is not risk free, it is less harmful than tobacco Our World in Data The Dangerous Truth Behind E Cigarettes Advanced DDS Vaping vs Smoking vs IQOS: Which is Least Harmful? YouTube Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane The evidence keeps piling up: e cigarettes are definitely safer than smoking Science The Guardian