Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine Did you know that that the vapor produced from vapes and e cigarettes is actually aerosol not water mist. Vape aerosol contains harmful substances that are not healthy and safe for our lungs, such Johns Hopkins researchers find thousands of unknown chemicals in electronic cigarettes Hub Are they safe to inhale?': Vaping liquids in Canada contain potentially harmful chemicals, tests show CBC News