Vaping: What Students Should Know Fairfax County Public Schools Army issues public health alert after multiple severe lung illness cases associated with vaping Article The United States Army Did you know vaping and e cigarettes can lead to a condition called Popcorn Lung? Vaping may sound harmless, but it can seriously impact your breathing over time. Learn what causes it, how to Vape Lungs Vs Smoker Lungs Smoking versus Vaping Clean and Safe Energy Coalition E cigarette vapor linked to cancer in mice National Institutes of Health (NIH)