It's not just vapor. Your vape could contain the same amount of nicotine as of 30 packs of cigarettes, plus other harmful chemicals. Want help quitting? SMCHDs next Nicotine Cessation Class starts Did you know defective e cigarette batteries have caused serious burns and injuries? Or that the vapor contains tiny particles of nickel, tin, lead, and chromium, which are inhaled deep into the lungs? What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Does vaping cause cancer? Roseburg Community Cancer Center The JUUL: A New Avenue of Nicotine Addiction NCI at Frederick