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. Another Gross Reason to Put Down the E Cigarettes American Lung Association Can Smoking and Vaping Cause Back Pain? National Spine Health Foundation What Does Vaping Do to Your Lungs? Vaping Gacovino & Lake