Teens who start with e-cigarettes are up to 7 times more likely to smoke traditional tobacco cigarettes later on -- but tobacco smokers are not more likely to try vaping e-cigarettes later.
The rising frequency of recent e-cigarette use among youth over time is concerning, especially in light of evidence that e-cigarette use is a significant risk factor for future conventional cigarette use.
Klein called for preventing teens from any initial exposure to nicotine, from any product, and cited research that e-cigarette flavors increase teens’ likelihood of using them.
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