What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping: Understanding the Risks and Impacts on Health Vaping might feel safer than smoking but what's really happening inside our lungs? The EVALUATE study led by the @unibirmingham will be the first to track ex smokers over a whole year Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica