Vape vs Joint Smell: Discretion, Duration, and Detection E cigarette aerosol exposure can cause craniofacial defects in Xenopus laevis embryos and mammalian neural crest cells PLOS One Does Vaping Smell? and How to Tell if Someone Is Vaping Ultra Liquid Labs 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. Houston Health Department on e cigarette ban: 'While users inhale e cigarette aerosol into their lungs, bystanders can also breathe in this aerosol' Houston Daily Does Vape Smoke Smell Linger Do Vaporizers Smell like Weed? Vape Guy