The American journal on addictions
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While health risks associated with tobacco cigarette use are well-known, additional risks of dual use are poorly understood. This study compared mental and behavioral health risk factors associated with the current dual use of e-cigarettes and conventional tobacco cigarettes with current exclusive users of tobacco cigarettes and nonusers of either e-cigarettes or tobacco cigarettes. ⋯ The concurrent use of e-cigarettes and tobacco cigarettes is associated with increased odds of having behavioral and mental health problems. These findings may be indicative of increased health risks associated with dual use, compared with the exclusive use of tobacco cigarettes, and have important implications for public health interventions and policies aimed at mitigating health risk behaviors. (Am J Addict 2020;00:00-00).