More than a quarter-million middle and high school students who were non-smokers say they used an electronic cigarette last year — a threefold increase from 2011, a new U.S. study says.
Source
The Karaoke Lowdown
More than a quarter-million middle and high school students who were non-smokers say they used an electronic cigarette last year — a threefold increase from 2011, a new U.S. study says.
Source