Smart vapes could be sold which prevent underage teens from using them. How old do you have to be to vape? The Food and Drug Administration (FDA) on Tuesday approved marketing for four flavored vapes made by the company Glas Inc. in what the agency says is an effort to tamp down on Police sting catches shops selling vapes to under 18s BBC News Disposable Vapes Delivery Vape Shops Near Me Gopuff Teens buying vapes underage