RESUMEN
Family is considered as the most fundamental and basic shaping, and underlies drug abusing. This research aimed to investigate the relationships between parenting styles [authoritative, permissive and despotic] as one of the most effective family factors on child growth and addiction potentiality among the students. The statistical population of research consisted of all student of Medical Ilam University of Medical Sciences in the second semester 2012-2013 academic years. Therefore 220 students selected with multistage random sampling, and completed the Baumrind parenting styles questionnaire [1972] and addiction potentiality [Zargar, 1996]. Data has been analyzed by Pearson correlation tests and regression using SPSS 16. The outcomes of pearson correlation analysis showed that there have been negative relationships between authoritative parenting style and addiction potentiality and between permissive, despotic parenting styles and addiction potentiality positive and meaningful relationships reported. The results of regression analysis showed that parenting styles [authoritative, permissive and despotic] described about 38 percentages of addiction potentiality variances, too. According to present research results, parenting styles is one of the most effective reasons on students' tendency to the drug abusing. With this mind, the hygienic officials and activists should make suitable policies to increase parent's information in parenting styles education field