Information technologies have transformed organizations; therefore, identifying their entrepreneurial value has been one of the main concerns for both, managers and researchers. The purpose of this research is to determine ...

The association between marijuana use and depressive symptoms was examined longitudinally in a sample of 622 African American youth, interviewed on six occasions, using hierarchical linear modeling (HLM). We considered ...

We thank Aba Mahamat and colleagues for their comments on our Article1 and patient data illustrating a difficult case successfully treated with combined albendazole and praziquantel. We do not deem use of the combination ...

The objective of this study was to investigate whether the level of drug dependence in adolescents can be predicted by any of the following factors: the reasons to which the first use or non-use of drugs is attributed, ...

Background: The identification of factors promoting simultaneous alcohol and marijuana (SAM) use is important to promote early intervention efforts. The associations between impulsivity facets and SAM (or concurrent alcohol ...

Importance: Limited empirical research has examined the extent to which cohort-level prevalence of substance use is associated with the onset of drug use and transitioning into greater involvement with drug use. Objective: ...