FILE - In this April 11, 2018, file photo, a high school student uses a vaping device near a school campus in Cambridge, Mass. U.S. health regulators are moving ahead with a plan to keep e-cigarettes out of the hands of teenagers by restricting sales of most flavored products in convenience stores and online.
FILE - In this April 11, 2018, file photo, a high school student uses a vaping device near a school campus in Cambridge, Mass. U.S. health regulators are moving ahead with a plan to keep e-cigarettes out of the hands of teenagers by restricting sales of most flavored products in convenience stores and online. Steven Senne, File AP Photo
FILE - In this April 11, 2018, file photo, a high school student uses a vaping device near a school campus in Cambridge, Mass. U.S. health regulators are moving ahead with a plan to keep e-cigarettes out of the hands of teenagers by restricting sales of most flavored products in convenience stores and online. Steven Senne, File AP Photo