Since 1999, one of the main strategies the Colombian government has used to mitigate coca cultivation is to spray the crops with herbicide, which is carried out from airplanes. In this paper I evaluate the consequences of this strategy for rural households in areas where coca is cultivated, specifically the effects of aerial spraying on child…

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, and inform…

Monitoring the Future (MTF) is designed to give such attention to substance use among the nation's youth and adults. It is an investigator-initiated study that originated with, and is conducted by, a team of research professors at the University of Michigan's Institute for Social Research. Since its onset in 1975, MTF has been funded continuously…

Monitoring the Future (MTF) is designed to give attention to substance use among the nation's youth and adults. It is an investigator-initiated study that originated with, and is conducted by, a team of research professors at the University of Michigan's Institute for Social Research. Since its onset in 1975, MTF has been funded continuously by…

The present volume presents new 2020 findings from the U.S. national Monitoring the Future (MTF) follow-up study concerning substance use among the nation's college students and adults from ages 19 through 60. This volume reports 2020 prevalence estimates on numerous illicit and licit substances, examines how substance use differs across this age…

Monitoring the Future (MTF) is designed to give attention to substance use among the nation's youth and adults. Since its onset in 1975, MTF has been funded continuously by the National Institute on Drug Abuse -- one of the National Institutes of Health -- under a series of peer-reviewed, competitive research grants. The 2020 survey, reported…

The study purpose is to examine the impact of early substance use on lifetime and past year contraction of sexually transmitted diseases (STDs), including chlamydia, gonorrhea, herpes, and syphilis. A secondary analysis of the 2012 National Survey on Drug Use and Health (N = 52,529) was conducted to determine if lifetime or past year STD…

Variations in drug use have been found across individual-level factors and community characteristics, and by type of drug used. Relatively little research, however, has examined this variation among juvenile offenders. Based on a sample of 924 newly arrested juvenile offenders, two multilevel logistic regression models predicting marijuana test…

Background: Data are limited regarding the prevalence of substance use among adolescents in rural and ethnically diverse communities. This study examined rates and sociodemographic correlates of lifetime substance use among adolescents in Mississippi, a rural state that is the poorest in the country (21.3% poverty rate) and has the largest…

Background: Illicit drug use by school-aged teens can adversely affect their health and academic achievement. This study used a survey administered in schools to assess the prevalence of problematic drug use among teenagers in a Midwestern community. Methods: Self-report data were collected from 11th- and 12th-grade students (N = 3974) in 16…

Monitoring the Future (MTF) is a long-term study of American adolescents, college students, and adults through age 55. It has been conducted annually by the University of Michigan's Institute for Social Research since its inception in 1975 and is supported under a series of investigator-initiated, competing research grants from the National…

Adolescence is an important period of physical, social, psychological, and cognitive growth. No longer children and not yet adults, adolescents make significant choices about their health and develop attitudes and health behaviors that continue into adulthood. Substance use disorders among adolescents can impede the attainment of important…

Although many factors may influence the initiation of drug or alcohol use, the perception of risk associated with these behaviors also varies by gender, age, and type of drug. Understanding the different patterns of risk perceptions that emerge during adolescent development may help to better target health communication messages and increase the…

American Indian and Alaska Native (AI/AN) adolescents have high rates of pregnancy, as well as alcohol, marijuana, cocaine, and, increasingly, methamphetamine (meth) use. The progression of adolescent drug use to meth use could have devastating impacts on AI communities, particularly when youth are simultaneously at risk for teen childbearing. In…

Since the mid-1960s, when illicit drug use burgeoned in the normal youth population, substance use by American young people has proven to be a rapidly changing phenomenon. Smoking, drinking, and illicit drug use are leading causes of morbidity and mortality, both during adolescence as well as later in life. How vigorously the nation responds to…