5 Vaping Facts You Need to Know Johns Hopkins Medicine Why Vaping is Just as Harmful as Smoking Many teens and young adults may believe that vaping is safe because they aren't inhaling smoke, but e cigarettes do contain nicotine, and the vapor they produce can include many chemicals that damage Nicotine Free Daily Support in Quit Smoking Walmart.com Non Nicotine Vape: A Safer Smoking Alternative Vaping, Even Without Nicotine, Has Negative Effect on Lungs