Health effects of electronic cigarettes Wikipedia Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit.