Vaping might seem harmless when compared to smoking cigarettes, but as a relatively recent phenomenon, the long term health effects are not fully understood. Researchers are still studying potential impacts on lung health, Vaping might seem harmless when compared to smoking cigarettes, but as a relatively recent phenomenon, the long term health effects are not fully understood. Researchers are still studying potential impacts on lung health, Vaping Could Make You 40 Percent More Likely to Get Respiratory Disease The Brink Boston University What Does Vaping Do to Your Lungs? Johns Hopkins Medicine