What is a Throat Hit? How to Get a Perfect One When Vaping? Vaping For Beginners: How Do You Inhale and Exhale Vapor? Medical Marijuana, Inc. Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times The safest vape is the one you never start. Flavoured vapes were designed to feel harmless: Candy taste. Fruit smell. Cool packaging. Viral aesthetics. But your lungs don't care about the flavour.