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. Vaping and E Cigarettes ADAPP Vaping: Know the Dangers Rady Children's Health What about Electronic Cigarettes Vapes? Orange County California Health Care Agency JUUL E Cigarettes Harrison County Health Department e Cigarettes, Vaping and the Risks of Severe Lung Disease Canyonlands Healthcare