What Does Vaping Do to Your Lungs? Johns Hopkins Medicine 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: The Good, the Bad and the Popcorn Lung MPH Online National No Smoking Day Time To Quit the Cigarettes And Start Vaping Ecigclick Vaping: The Health Risks and How to Quit HelpGuide.org An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link