Antisocial peer behavior and low parental knowledge of adolescents' activities are key interpersonal risk factors for adolescent substance use. However, how the magnitude of associations between these risk factors and substance use may vary across adolescence remains less well understood. The present study examined the age-varying associations of…

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…

This study assessed the links between civic participation and adolescent behavior problems (bullying, physical fighting, and alcohol and tobacco use), and whether civic engagement could be a moderator of the negative effects of parent/family detachment. Participants were 7,097 11-, 13-, and 15-year-olds (48.6% girls) in a region of Northern Italy.…

This report presents data on the current status of adolescent health. Many of the measures of health status are shown by single year of age or by 2- or 3-year age intervals to highlight the changes that occur in health status as adolescents move through this important developmental period. Summary measures combining 5- or 10-year age groups (the…