Impact of vaping on respiratory health The BMJ 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. Toxicological Effects of E Cigarettes on Cells, Animals, and Humans and Mechanisms of Toxicity Springer Nature Link Health impacts of electronic cigarettes ANU National Centre for Epidemiology and Population Health New Infographic Sheds Light on the Truth Behind the Vaping and E Cigarettes Newswire Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine