Smoking VS Vaping: Which is More Harmful to Your Dental Health? Riverside Dental E Cigarettes and Vaping Texas Poison Center Network 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 Difference Between Vaping and Smoking Difference Between Vaping vs Smoking Key Differences Behind the Vape