E Cigarettes and Vaping OHSU 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 What are the long term effects of vaping? Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts Predicting the pulmonary effects of long term e cigarette use: are the clouds clearing? European Respiratory Society