How does the disposable vape ban work, and how harmful is vaping? BBC News History and Evolution of E cigarettes Springer Nature Link Most e cigarettes (vapes) contain nicotinethe addictive drug in regular cigarettes, cigars, and other tobacco products. Nicotine can harm the adolescent brain which continues developing until about E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA