Teen vaping rising fast, and Harvard official is concerned Harvard Gazette ABC News reported on illegal vapes and found that many of them contain unregulated levels of nicotine and unknown chemicals. Because these products bypass safety regulations, the actual contents often Trump Pressures FDA Commissioner to Approve Flavored Vapes WSJ Countries Where Vaping is Banned (or Heavily Restricted) Vaping Scout The number of US teens who vape more than doubled in the last year