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 Vaping: Safer than cigarettes or a new health crisis? Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Negative Effects of Vaping on Asthma and Overall Health Northeast Allergy Inhale this: What does vaping do to your lungs?