Introduction This study assessed adolescents’ harm and addiction perceptions of the highest-selling brand—JUUL—of the most commonly used tobacco product—electronic cigarettes (e-cigarettes)—among adolescents in the United States. Methods A cross-sectional online survey assessed use and perceptions of the harmfulness and addictiveness of the JUUL e-cigarette and conventional tobacco cigarettes in a nationally representative sample of 9865 adolescents aged 13–17 years in the United States. Associations between adolescents’ harm and addiction perceptions and their use of a JUUL e-cigarette were examined through multinomial logistic regression models. Results Overall, 6.1% and 9.3% of adolescents believed daily use and occasional use of a JUUL e-cigarette, respectively, would cause them no harm. Around 11.3% believed they would either never experience harm from using a JUUL e-cigarette or they could use a JUUL e-cigarette for at least 20 years before experiencing any harm, and 7.3% believed they would be “very unlikely” to become addicted to using a JUUL e-cigarette. Overall, 39.3% and 29.3% of adolescents perceived the JUUL e-cigarette as “less harmful” and “less addictive” than conventional cigarettes, respectively. Compared to never users of the JUUL e-cigarette, current and former users held significantly lower harm and addiction perceptions of the JUUL e-cigarette on all measures. Conclusions The majority of adolescents believed using a JUUL e-cigarette would put them at, at least, some risk for experiencing health problems and addiction. A smaller but significant proportion believed they could use a JUUL e-cigarette without ever being harmed by or becoming addicted to the JUUL e-cigarette. Implications The study reports adolescents’ perceptions of the harmfulness and addictiveness of the highest-selling brand of the most commonly used tobacco product among youth in the United States. Though the majority of adolescents correctly believed that using a JUUL e-cigarette would put them at, at least, some risk for experiencing health problems and addiction, a small proportion believed that using a JUUL e-cigarette would be risk free. Correcting such risk-free perceptions may reduce adolescents’ interest in trying and continuing to use JUUL e-cigarettes.

A novel conceptualisation of stress includes a distinction between ancient (AS) and modern stressors (MS); the notion that established adaptive psychophysiological coping processes may enable individuals to better withstand AS than MS. Two consecutive mixed-methods studies assessed the feasibility of distinguishing between AS and MS in young and older adults, using questionnaires and interviews. MS were positively associated with cold symptoms in older adults; and five psychosocial characteristics were identified to profile AS and MS along a continuum. An evolutionary distinction between AS and MS provides an important psychological dimension in better understanding and assessing stress-health processes.

HighlightsIn a survey of 9865 adolescents aged 13–17 years in the United States 79.6% of those who reported having used the JUUL vaporizer in the last 30 days obtained the JUUL device from at least one social source (e.g. ‘someone bought for me, someone offered to me) in the past 30 days.20.0% of current JUUL using adolescents bought JUUL products themselves.Among youth who bought JUUL products themselves, the most common place of purchase was ‘a gas station or convenience store’.Reducing youth access to JUUL vaping products will require a greater focus on measures that deter or penalize legal-age purchasers who give or sell products to minors.

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Objectives. Work has emerged that suggests it is salient and feasible to include a chronological approach to the taxonomy of stress. The ability to make an explicit distinction between ancient stressors (AS) and modern stressors (MS) has been reported in young and older adults; AS have been associated with greater ability to cope and MS with poorer health outcomes. Whether these explicit distinctions exist at an implicit, unconscious level, has yet to be determined. Design.A quantitative design employed a computer-based Implicit Association Test (IAT) to examine implicit associations between AS/MS and coping appraisal.Methods. One hundred adults (75 females) aged 18-58 years (M = 28.27 years, SD = 10.02) completed the AS/MS IAT, to compare reaction time (RT) and accuracy between consistent pairs (AS/ability to cope; MS/inability to cope) and inconsistent pair responses (AS/inability to cope; MS/ability to cope); followed by an explicit self-report questionnaire.Results. Repeated measures ANCOVAs, controlling for sex and age, revealed significant main effects of faster RT and higher accuracy in responses for consistent than inconsistent pairs. Adult participants made implicit associations indicating an unconscious AS and MS distinction. Using the D algorithm, a univariate ANCOVA and independent t-tests found that males, compared to females, showed a stronger implicit preference for consistent than inconsistent pairs. Conclusions. Findings suggest an implicit association between ancient and modern stressors and perceived coping ability. Utilizing a chronological taxonomy for understanding evolutionary origins that drive individual's responses to stress has implications for developing effective coping strategies to improve health outcomes.