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 Vaping: It's hard to quit, but help is available Harvard Health What happens when you quit smoking and start vaping? Studies: E cigarettes won't help smokers quit, but they may become addicted to vaping Myth: E cigarettes help people quit smoking. Truth: E cigarettes are not a proven safe way to quit. In fact, users may become addicted to both traditional and electronic tobacco products. Choose health. Say