"The new survey [published by the ] ... provides further evidence that e-cigarettes help smokers quit... . Eighty-nine percent of the respondents reported that they had smoked at least 10 cigarettes a day before they started vaping, and 88 percent said they were not currently smokers. Those findings are similar to the results of focusing on people who participate in online vaping forums, reported last April in the International Journal of Environmental Research and Public Health. That study, which included more than 19,000 vapers from around the world, found that almost all of them (99.5 percent) were smokers when they started vaping. Four-fifths of them had stopped smoking completely, while the rest had reduced their cigarette consumption, on average, from 20 to four per day."

In other words, despite acknowledging that they cannot tell from their study whether e-cigarette use precedes smoking or whether smoking precedes e-cigarette use, they nonetheless draw the conclusion that e-cigarette use precedes smoking.

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