If you're trying to quit smoking, vaping should not be the first thing you try. E cigarettes can contain more addictive nicotine than cigarettes and the long term health effects of e cigarettes are unknown. More than a million people use e cigarettes to stop smoking and there's calls for them to be sold in hospitals but is vaping safe? Should I Use E Cigarettes to Quit Smoking? When Did Vapes Come Out: A Brief History of E Cigarettes Headshop.com