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Background: Passive exposure to combustible cigarette use has been shown to act as a cue to increase smoking urge.
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Results: Prevalence of combustible cigarette use was 77.9%.
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Similar associations between e-cigarette use and chronic bronchitis, emphysema, or chronic obstructive pulmonary disease were noted among both former and current combustible cigarette smokers.
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Conclusions: The results suggest possible e-cigarette-related pulmonary toxicity across all the categories of combustible cigarette smoking status, including those who had never smoked combustible cigarettes.
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While several studies have demonstrated an association between combustible cigarette smoking and depression, the association between e-cigarette use and depression has not been thoroughly studied.
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During the same period, exposure to combustible cigarette smoke was declining slightly, with about half of students saying they had been exposed to secondhand smoke.
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For that example, daily exposure to pulegone was 86 to 1,608 times higher with e-cigarette use than with a menthol combustible cigarette.
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She expects U.S. use of e-cigarettes and vaporizers to overtake combustible cigarettes in 10 years.
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Further, exposure to nicotine and other chemicals in e-cigarettes and combustible cigarettes causes lung damage.
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She also says pregnant women should consider vaping if they cannot give up combustible cigarettes.
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It contains nicotine and other chemical makeups of combustible cigarettes which enhance some of the behavioural aspects of smoking.
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PMI's studies also show significantly lower systemic exposure to some HPHCs from use of IQOS compared with smoking combustible cigarettes.
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Methods: Sixteen current cigarette smokers were instructed to completely switch from smoking combustible cigarettes to using e-cigarettes over a two-week period.