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 Another Gross Reason to Put Down the E Cigarettes American Lung Association Vaping is not harmless. A new study from Johns Hopkins Medicine reveals that e cigarettes significantly increase the risk of COPD and high blood pressure. Our own Dr. Todd Hoopman shares firsthand accounts The child vaping crisis: 'From what my daughter says, 90% of her year do it' Vaping The Guardian