The Dangers of Vaping How E Cigarettes Affect Student Health Consider the Consequences of Vaping Canada.ca Print and Download About Vaping Prevention Resources HHS.gov Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit. Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health.