Most E Cigarette Users Are Current And Ex Smokers, Not Newbies WUNC News Nicotine use among young people is evolving. New research shows more youth are using multiple nicotine products at the same timemost commonly cigarettes and e cigarettes, with a growing rise in combining vapes E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine The Food and Drug Administration (FDA) has only authorized 4 vape brands to be "lawfully sold in the US." FYI, of those 4 brands, there are a total of 39 vapes (a Juul Will Reportedly Stop Selling Most Flavored Products in Retail Stores Business Insider