the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

Dependence on the substance as a factor contributing to the impairment of individual and social health imposes numerous damages to societies in different areas including personal, family, health, cultural, social, and economic aspects. It is necessary to take counter actions to deal with using drugs and psychedelics. As a dynamic, alive, cheerful and moving system, society has unlimited capacit...