The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association Predicting the pulmonary effects of long term e cigarette use: are the clouds clearing? European Respiratory Society Impact of vaping on respiratory health The BMJ Vaping isn't harmless. While e cigarettes don't contain tobacco, nicotine is highly addictive and can harm brain development. E cigarettes can cause EVALIa serious lung injury linked to vaping. Symptoms like cough, chest