A issued by UC Riverside states unequivocally that this research finds thirdhand smoke to be every bit as harmful as active smoking.

1. That there is a causal link between traditional smokeless tobacco use and oral cancer; and

Instead, these were all population-based studies of smoking and e-cigarette use that did not even ask smokers using e-cigarettes if they were using them regularly or if they were using them in an effort to quit smoking. Actually, one of the studies did ask smokers if they were using e-cigarettes to quit smoking and the overwhelming majority said that they were not. In other words, many of the smokers in this study were probably just experimenting with, or trying an e-cigarette, and were not regular users of these products.

The rest of the story is that new data from the CDC itself show that the smoking rate among U.S. high school students dropped significantly in 2013, reaching the (the Youth Risk Behavior Survey), which began in 1991.

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