What We Know About Vaping Smokefree Cigarette smokers who try to quit often end up vaping and smoking WashU Medicine Make the Switch How to Quit Smoking by Using E Cigarettes: Make the Switch How to Quit Smoking by Using E Cigarettes How to Choose Mods, E Juice, Cleaning, Care, Maintenance & Health Research consistently shows e cigarettes help smokers quit. When will U.S. policy catch up? Studies: E cigarettes won't help smokers quit, but they may become addicted to vaping