Non-medical use of prescription drugs and its association with heroin use among high school students.

Introduction: There is an established link between non-medical use of prescription drugs (NMUPD) and heroin use among adults; however, little is known about this relationship among adolescents. We investigate this association among a nationally-representative sample of U.S.

Sociodemographic characteristics associated with frequency and duration of eating family meals: a cross-sectional analysis.

Introduction: Children who frequently eat family meals are less likely to develop risk- and behavior-related outcomes, such as substance misuse, sexual risk, and obesity. Few studies have examined sociodemographic characteristics associated with both meal frequency (i.e.