Adolescent substance use is a top national public health concern with approximately 50% of youth having tried an illicit substance by the end of high school. The transition to high school is a critical point for substance use initiation. Despite this fact, there is relatively limited research looking at factors that can protect students from…

Polysubstance use is related to elevated risk for adverse outcomes but remains understudied among early adolescents. This study focused on a cross-sectional (N = 1568) primarily Black (79%) sample of eighth grade students living in urban communities (Mean age = 13.8, SD = 0.68) to identify subgroups based on adolescents' reports of lifetime and…

An emerging body of research documents a relationship between sleep quantity and delinquency during adolescence. Absent from this line of research, however, is an evaluation of whether the associations between sleep duration and different forms of delinquency vary across periods of adolescence and sex. The current study aimed to address this gap…

Iceland has witnessed a dramatic decline in adolescent substance use that may be partly the result of efforts related to the Icelandic prevention model (IPM). We sought to test risk and protective factor assumptions of the IPM using a prospective cohort study with 12 months separating baseline from follow-up. Participants were students in grades 8…

An earlier trial of a school-based, preventative intervention, HealthWise South Africa, demonstrated some efficacy in preventing adolescent drinking and smoking in the Western Cape, South Africa. This was followed by the current implementation trial, which examined how implementation support conditions influenced adolescent drinking and smoking…

Adolescent suicide is a critical problem in the United States. Identification and reporting of warning signs is a suicide prevention practice that is particularly important in schools, where adolescents spend the majority of their time. Though it is necessary to consider both risk factors and warning signs when evaluating an individual's suicide…

Monitoring the Future (MTF) has become one of the nation's most relied upon scientific sources of valid information on trends in use of licit and illicit psychoactive drugs by U.S. adolescents, college students, young adults, and adults up to age 60. During the last four decades, the study has tracked and reported on the use of an ever-growing…

Objective: To identify subgroups of urban youth based on their self- and teacher-reported mental health symptoms, and to explore characteristics of these subgroups. Methods: Cross-sectional data from 426 eighth-grade students (M[subscript age] = 13.22 years; 70.1% Black/ African American; 58.7% female) across 20 Baltimore City public schools were…

Aims: The current study aims to examine the role of energy drink and energy shot consumption in school disengagement, low academic performance, and academic expectations, and investigates the robustness of these associations across sex, grade, race, and substance use history. Method: This study employs a pooled cross-sectional design and uses a…

Monitoring the Future (MTF) is a long term study of substance use and related factors among U.S. adolescents, college students, and adult high school graduates through age 60. It is conducted annually and supported by the National Institute on Drug Abuse. MTF findings identify emerging substance use problems, track substance use trends, are…

The tables in this report provide national-level estimates of the extent to which students ages 12-18 enrolled in grades 6-12 experience bullying during school. The tables show how bullying victimization varies by student and school characteristics such as sex, race/ethnicity, grade, household income, region, school locale, school enrollment size,…

Introduction: Adolescence is a period of physical, psychological, cognitive and emotional changes, where autonomy from parental control is demanded. Adolescents are often self-discovering, frequently adopting sexual and drug exploration behaviors. As a result, health status in both adolescence and adulthood can be influenced. Methods: A…

Community violence exposure is associated with externalizing problems in adolescents, yet little research has examined the moderating role of coping in these relationships. Eighty-four low-income, urban adolescents (M[subscript age] = 13.36, 50% male, 95% African American) participated in two waves of a longitudinal study a year and a half apart.…

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,…

Understanding factors that foster resilience and buffer against the negative psychological impact of COVID-19 is critical to inform efforts to promote adjustment, reduce risk, and improve care, particularly for adolescents with neurodevelopmental disorders. This prospective longitudinal study addresses this gap by investigating the impact of the…