There are currently 7.8 million active vapers in the U.S., down from 8.91 million in 2014. The number of former smokers who use an e-cigarette rose from 2.49 million to 2.62 million Americans in 2016, which accounts for 34 percent of the current vaping population, according to a paper released Sept. 28 by the free-market think tank R Street Institute.

“87 percent of former smokers currently using e-cigarettes quit in the last five years, suggesting that e-cigarettes played a significant role,” Dr. Brad Rodu, a professor of medicine at the University of Louisville and associate fellow with the R Street Institute, wrote in the paper. “Health advocates should applaud these former smokers’ choice of e-cigarettes over far more dangerous cigarettes.”


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