Experts hazy on smokeless smokes' risks The Seattle Times What is an e cigarette? BBC Science Focus Magazine How are Non Combusted Cigarettes, Sometimes Called Heat Not Burn Products, Different from E Cigarettes and Cigarettes? FDA How E Cigarettes Affect Your Body The Ultimate Guide to Vaping for Beginners: How to Get Started Vaping Vaping is the act of inhaling a heated, aerosolized substance. It is critical to distinguish vaping from smoking. Smoking is the inhalation of a burned substance. The main difference between the two