A man exhales while smoking an e-cigarette in Portland, Maine, last month. The U.S. government has refined how it is measuring an outbreak of breathing illnesses in people who vape, now counting only cases that are most closely linked to electronic cigarette use. Health officials on Thursday, Sept. 12, 2019, said 380 confirmed cases and probable cases have been reported in 36 states and one U.S. territory.
(AP photo/Robert F. Bukaty, File)
Liquid for E-Cigarettes is displayed for sale at Good Guys Vape Shop in Biddeford, Maine. A proposed ban outlined by President Donald Trump on Wednesday, Sept. 11, 2019, would supersede any state inaction and includes a ban on mint and menthol.
(AP photo/Robert F. Bukaty)