Excessive mobile phone use, especially among adolescents, brings too many debates about its effects. To this end, in this study, we try to investigate the relationship between adolescents' mobile phone use and their self-esteem levels with regard to their genders. For 919 high school students, we evaluated mobile phone use concerning their…

The increase in alcohol and cigarettes use among young people than any population strata is of great concern. The use of alcohol that began in African traditional society as an activity for political, religious, cultural and social relations has evolved over time into a problem of dependence and addiction. Despite concerted prevention efforts,…

This article examines family, friend, and media influences on competent and problem behaviors in a sample of 1,174 urban minority youth followed over 6th, 7th, and 8th grades. Students completed annual surveys at their schools. Each of the contextual factors investigated was significantly associated with concurrent aggression and delinquency as…