While it is well understood that adolescent religiosity is associated with the use and abuse of licit and illicit substances, few studies have revealed the pathways through which religiosity buffers youth against involvement in such behavior. The aim of this study is to examine the complexity of the relationships between religiosity, sensation…

Background: We tested the effect of initiating marijuana and alcohol use at varying frequencies on academic indices. Methods: In a sample of 26,475 grade 9-12 students with at least 2 years of linked longitudinal data from year 1 (Y1: 2012-2013), year 2 (Y2: 2013-2014), and year 3 (Y3: 2014-2015) of the COMPASS study, separate multinomial…

This study examines the relationship between self-reports of being high on marijuana and perceptions about driving high or drunk. Data were collected in 2014 from an online convenience sample of adult, past 30-day marijuana and hashish users in Colorado and Washington (n = 865). Respondents were asked, "Were you high or feeling the effects of…

Objective: The objective of this study was to understand substance use patterns of alcohol, marijuana, and simultaneous alcohol and marijuana (SAM) use among 2- and 4-year college students. Participants: Participants were 526 young adults aged 18-23 (n = 355 4-year students; n = 171 2-year students) recruited from February 2015 to January 2016 who…

This occasional paper presents subgroup findings from the Monitoring the Future (MTF) study on levels of, and trends in, the use of a number of substances for nationally representative samples of high school graduates ages 19-30, "Monitoring the Future National Survey Results on Drug Use, 1975-2018. Volume II, College Students & Adults…

The purpose of the study was to describe adherence to screen time (ST) and physical activity (PA) recommendations among Canadian youth. The present study was based on a representative sample of Canadian students from Grades 7 through 12 (N = 47,203). ST and PA as well as demographic (gender, ethnicity, grade, and province of residence) and…

This article discusses how the key players' multilayered collaboration may be enacted by the Change Laboratory methodology in the footsteps of Virkkunen and Newnham (2013) to address a complex issue for the benefit of adolescents. It can be defined as a group processing approach used by a group to solve a problem of its own defining. Over six…

This occasional paper presents subgroup findings from the Monitoring the Future (MTF) study on levels of, and trends in, the use of a number of substances for nationally representative samples of high school graduates ages 19-30, "Monitoring the Future National Survey Results on Drug Use, 1975-2018. Volume II, College Students & Adults…

This research focuses on the analysis of cannabis consumption amongst young people, explaining this phenomenon by way of analysing the differences between cannabis smokers and non-smokers in order to shed light on whether cannabis is linked to specific leisure activities, and, moreover, whether it is connected to the intensity and variety of…

Objective: To examine the psychometric properties of a measure of cannabis-specific Protective Behavioral Strategies (PBS), which assesses ways in which students may reduce cannabis-related risk. Participants: Respondents to the American College Health Association-National College Health Assessment II (N = 580) during Spring 2015. Methods:…

Aims: To summarize published evidence for environmental strategies to prevent the non-medical use of marijuana (NMUM). Methods: Four databases (PSYCHINFO, SocINDEX, PsycARTICLES and Academic Search Complete) were searched for articles examining environmental strategies for NMUM prevention. Articles included were peer-reviewed, published in English…

Marijuana was widely sold and used in the U.S. as a patent medicine until the early 1930s, when states began enacting marijuana laws instigated by racist anti-marijuana propaganda. The social construction of marijuana as one of the most dangerous drugs was completed in 1970 when marijuana was classified as a Schedule 1 drug. In recent years,…

Background: Transgender adolescents face tremendous social stress in families and schools, which often leads to behavioral health disparities. This study assessed whether rates of substance use were higher among transgender adolescents when compared to nontransgender adolescents. Methods: This study is a secondary data analysis of the 2013-2015…

The progression from prescription opioid (RXO) abuse to RXO addiction is not well understood in adolescents, nor is the progression from RXO addiction to heroin abuse. The purpose of this pilot study was to characterize the development of RXO drug abuse, RXO drug addiction, and heroin abuse in a small cohort of adolescents recovering from opioid…

Objective: Examine the association of health risk behavior clusters with mental health status among US college students. Participants: 105,781 US college students who completed the Spring 2011 National College Health Assessment. Methods: We utilized the latent class analysis to determine clustering of health risk behaviors (alcohol binge drinking,…