The Prevalence of Substance Use Among Students and Associated Factors: A Systematic Review With Narrative Synthesis

Abstract Background and Aims: Substance use is a major public health and social problem that affects individuals of all ages, particularly adolescents and young adults, across every society. School as an educational environment can be suitable for education and orientation towards substances. Methods: Online databases, including Web of Science, Scopus, and Embase, and domestic databases, including SID, Magiran, and RICeST, were systematically searched from 2003 to now using Persian and English languages. Through narrative synthesis of prevalence data from 35