AAP: Raise Tobacco, E cig Age to 21 RT Age Verification for Tobacco, Vape & Cannabis Compliance how old do you have to be to vape Definitive Guide The FDA may approve certain vape flavors to help adults switching away from tobacco cigarettes. However, this can be health threat among young people. Tap the link in our bio to submit FDA Makes It Official: Legal Smoking and Vaping Age Raised to 21