What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Vaping For Beginners: How Do You Inhale and Exhale Vapor? Medical Marijuana, Inc. How to Vape: Learning to Inhale Properly How to Vape Properly Guide for Beginners V2 Cigs UK E cigarettes, commonly known as Vapes are systems that heat a liquid to create aerosols that are inhaled by the user. Here are some facts to note about vaping: Vape emissions typically contain