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 Predicting the pulmonary effects of long term e cigarette use: are the clouds clearing? European Respiratory Society Myth: Vape & heated tobacco products are safer alternatives to cigarettes. Truth: They are harmful products; they contain nicotine & toxic substances that can have harmful effects & long term consequences on brain Does Smoking and Vaping Affect Your Stamina During Treks?