The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association National Emphysema Foundation E cigarettes and Vaping Just As Bad On Lung Health As Cigarettes The Updated Meta Analysis of E Cigs & Health Outcomes: Still Critically Flawed Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine Passive Vape Exposure From E Cigarettes Linked to Acute Health Effects in COPD Pulmonology Advisor