Juul boosted: Study establishes e cigarettes as effective smoking cessation tool E cigarettes didn't help smokers quit, study says CNN Studies: E cigarettes won't help smokers quit, but they may become addicted to vaping Vape UK The benefits of quitting smoking and switching to vaping Cigarette smokers who try to quit often end up vaping and smoking WashU Medicine Why E Cigarettes may Not Help Quit Smoking: Study