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: A new trend of consumption among young people. European Respiratory Society Comment empcher les jeunes de fumer ou de vapoter ? France Inter Le vapotage Association pulmonaire du Canada Vapour vs Smoke Dispergo Vaping