Tony Gwynn's at age 54 from repeated smokeless tobacco use is the reason why. While it is not common, traditional smokeless tobacco use is clearly associated with oral cancer. In addition, there is little evidence that as marketed and used in the United States, these products are helping a substantial proportion of smokers to stay off cigarettes.

The study concludes: "Among smokers who have attempted to stop without professional support, those who use e-cigarettes are more likely to report continued abstinence than those who used a licensed NRT product bought over-the-counter or no aid to cessation."

The Rest of the Story

(See: Brown J, Beard E, Kotz D, Michie S, West R. Real-world effectiveness of e-cigarettes when used to aid smoking cessation: a cross-sectional population study. Addiction. .)

It is not the case that the authors are simply unaware of the inability of their study to conclude that the e-cigarette use is leading to regular cigarette smoking. They readily acknowledge this in the study. Nevertheless, both of the authors still make conclusive statements to the public, misleading us to believe that the study demonstrates that e-cigarettes are a gateway to regular cigarette use.

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