Objective: Residential is a common treatment setting for youth with high-severity substance use disorders (SUD). This study evaluated the prevalence of psychiatric symptoms and medication for youth in residential SUD treatment. Methods: Youth in Massachusetts state licensed and funded SUD residential programs completed questionnaires assessing…

E-Cigarette marketing may influence e-cigarette use among youth. This study examined reported exposure to and perceptions of e-cigarette marketing among youth between 2017 and 2019 across countries with varying e-cigarette marketing restrictions. Cross-sectional online surveys were conducted with 35 490 youth aged 16-19 from England, Canada and…

Introduction: An association between socioeconomic status (SES) and smoke-free private spaces among smokers could be due to heavier smoking among low SES smokers. We assessed whether quantity smoked or SES are independently associated with smoke-free homes or cars in daily smokers. Method: Data were drawn from a cross-sectional telephone survey…

Objective: This study examined the prevalence and factors associated with non-medical use of prescription stimulants to promote wakefulness. Participants: We surveyed 3,160 university students aged 18-35 between June 2016 and May 2017. Method: Participants reported whether they used prescription stimulants non-medically to stay awake and completed…

Research has linked prenatal alcohol and tobacco use with Attention Deficit Hyperactivity Disorder (ADHD), and variably with Autism Spectrum Disorder (ASD). Lactational use has been scantly considered. This study examined whether it may alter ADHD or ASD risk. Participants were 5107 infants recruited in 2004 and assessed longitudinally for the…

Objective: Using social cognitive theory as a framework, this study examined electronic nicotine delivery systems (ENDS) use, related cognitions, and context among college students. Participants: Respondents were 1229 students attending a mid-sized, northeastern university. Methods: A cross-sectional survey was administered and SPSS was used for…

Objective: The key to controlling tobacco use lies in preventing new smokers. Graphic health warnings and plain packaging are policy interventions to discourage cigarette consumption. This study examined the effect of the warning message frame (gain vs loss) and cigarette packaging (branded vs plain) in non-smokers. Methods: Young adult…

Background: In this study, we determined the prevalence of and factors associated with parent unawareness of youth tobacco use. Methods: We used data from waves 1, 2, and 3 (2013-2016) of the Population Assessment of Tobacco and Health study, a nationally representative study of 13,650 US youth ages 12 to 17 and their parents. We conducted…

This report presents findings from data collected through the Reality Now program, providing a long-term study exploring tobacco and vaping behaviours among Australian secondary school students. Conducted from 2018 to 2024, the program collected nearly 30,000 responses from students in Years 7 to 11. Using a social norms approach (SNA), the…

Objective: The current study examined the mediating role of distress tolerance on the association between pain-related disability and addiction to opioids, past-month opioid use, and risky opioid use among an ethno-racially diverse sample of young adults with current pain. Methods: Participants were 141 undergraduate college students (78.7%…

The study examined the relationship between perfectionism (categorized by adaptive, maladaptive, and non-perfectionist clusters), substance use (i.e., drinking and smoking), and mental health in a large sample of college student (N = 841; M = 19.6 years of age) in a time-lagged design. Students were classified using a two-step cluster analysis…

Social network research has evidenced the role of peer effects in the adoption of behaviours. Little is known, however, about whether policies affect how behaviours are shared in a network. To contribute to this literature, we apply the concept of diffusion centrality to school tobacco policies and adolescent smoking. Diffusion centrality is a…

Adolescent smoking is dangerous. This study examined the self-assessment of risk factors to expose student teachers to smoking, compared the scores of health belief model structures in experimental and control groups, and summarized the poster and slogan campaign to prevent smoking. The experimental and control groups (n=30 each) were selected…

Research has linked pre- and perinatal complications (PPCs) with increased risk for autism spectrum disorder (ASD). However, PPCs are also known risk factors for other mental health disorders. This study explored which PPCs are specific risk factors for ASD, as opposed to other forms of psychopathology, among a large sample of clinically-referred…

Objectives: This study aimed to assess the impact of an educational intervention on middle-aged women's knowledge and behaviour regarding various aspects of a healthy lifestyle. Design: Quasi-experimental study involving 150 middle-aged women (divided into experimental and control groups). Setting: Participants were selected from health centres of…