An integrated analysis of the data from 3 different studies was conducted to examine the
early psychosocial predictors of later marijuana use among adolescents. Longitudinal …

OBJECTIVE: To examine the linkages, cultural/ecological factors, and major psychosocial
risk factors as they relate to drug use in a sample from Colombia, South America. METHOD …

Permissive attitudes and norms about marijuana use and perceptions of low harm from use
are considered risk factors for adolescent marijuana use. However, the relationship between …

Objective Family involvement and several characteristics of parenting have been suggested
to be protective factors for adolescent substance use. Some parenting behaviors may have …

Marijuana use in adolescents is associated with many adverse outcomes, including
neurobiological and health consequences. Despite this, little is known about gender …

This study examined (a) adolescent psychosocial risk factors for frequency (intensity) of
marijuana use and for other illicit drug use among those who started using these drugs in …

Adolescent marijuana use has tripled recently, and the once-noted race gap between
African American and Caucasian adolescents in marijuana use appears to have …

OBJECTIVE: The study examined the relationship between earlier adolescent marijuana
use and later adolescent behavioral problems. METHOD: A community-based sample of …

INTRODUCTION: This study examined the associations between psychosocial factors and
status of marijuana use: former experimentation, current occasional, and current frequent …

The aim of this study was threefold:(1) to prospectively estimate population incidence rates
of marijuana use from late childhood to adolescence,(2) to identify important risk factors, and …