Background: Marijuana use among high school youth has been declining over the past two decades. However, there has been a notable shift in the national landscape with regards to social norms and marijuana legalization that could allow marijuana to become more available and may compete against prevention efforts among youth. Further, youth continue…

Monitoring the Future (MTF) is an ongoing research program conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse beginning in 1975. The integrated MTF study includes annual surveys of nationally-representative samples of 8th, 10th,…

Background: Given its ability to exacerbate health inequities through its disproportionate impact on low-income communities, the need exists to better understand factors that influence substance use among adolescents. Moreover, given its multi-etiological nature, preventing adolescent substance use requires addressing intrapersonal, interpersonal,…

This article investigates the relationship between state-level marijuana policies and drug and alcohol violations in on-campus housing. A review of trends in drug usage precedes discussion of a conceptual framework that can help explain how interactions between college and university student housing and state policy impacts student behavior.…

Objective: The purpose of this study is to examine differences between current and non-current cigarette users, focusing on sociodemographic factors, non-cigarette tobacco product use, parental and friend use, and alcohol and marijuana use; and to identify predictors of cigarette use six months later. Participants: Participants included young…

This exploratory study examined the knowledge, experience, attitude, and perceptions of drugs reported by international students from mainland China (N = 97) studying on the West Coast of the U.S. and Canada. Chinese students currently constitute the largest group of international students at universities on the West Coast, which is also the…

Adolescents often practice unhealthy behaviors to lose weight or keep from gaining weight. Centers for Disease Control and Prevention has conducted biennial Youth Risk Behavior Survey (YRBS) of various health risk behaviors since 1991 using U.S. representative samples of high school students and is therefore best for us to identify risk/preventive…

Background: E-cigarette prevention education aims to mitigate adolescent e-cigarette use. Such education is increasingly delivered through virtual/video-based teaching platforms (e.g. Zoom, Google Classrooms). However, there is little evidence about the effectiveness of virtual e-cigarette education compared to in-person education on adolescents'…

Preventive behaviors established during adolescence can reduce cancer throughout the life span. Understanding the combinations of multiple behaviors, and how these behaviors vary across states, is important for identifying where additional interventions are needed. Using data on 2011-2015 vaccination, energy balance, and substance use from…

In the spring of 2017, the AISD Department of Research and Evaluation (DRE) administered the Substance Use and Safety Survey (SSUSS) to track middle and high school students' self-reported knowledge, attitudes, and behavior related to substance use and perceptions of school safety. Results from this survey are used to inform and assist with…

This study contributes to new literature on patterns of conjoint alcohol and marijuana use within a college population. In addition to examining patterns of use in college and subsequent consequences, this paper will also help identify substance-specific consequences. Participants included 473 entering freshmen at a Bay Area university who…

This study assessed the moderating effects of school facilitating conditions (school opportunities for prosocial involvement, school commitment, academic grades, and truancy) on adolescent marijuana use within the context of the Theory of Planned Behavior (TPB). Utilizing a large statewide surveillance study of adolescent risk and protective…

Background: Given ever-reducing budgets of community and school substance use prevention programs, there is a call for identifying the first substance in the sequence leading to polydrug use. Methods: Examining data from a nationally representative sample of 2835 United States 12th graders, we sought to determine (1) the first substance…

This study explored substance use trajectories and associations with mental health among an ethnically/racially diverse college student sample before and during the COVID-19 pandemic. We combined repeated cross-sections and panel data from a total of 3,247 college students assessed with an online survey in 2018, 2019, and in three waves in 2020.…

In this 22-question activity, high school students investigate the spatial distribution of marijuana stores in Colorado using an interactive web map containing stores, centers, highways, population, and other data at several scales. After completing this lesson, students will know and be able to: (1) Use interactive maps, layers, and tools in…