The Faculty of Social Sciences, University of Tehran Journal of Social Problems of Iran 2008-8973 13 2 2023 06 10 Sociological Study of the Relationship between Social Capital and the Consumption of Addictive Substances (Case Study: Youth of Qazvin City) Sociological Study of the Relationship between Social Capital and the Consumption of Addictive Substances (Case Study: Youth of Qazvin City) 209 228 92833 10.22059/ijsp.2023.92833 FA Mosa Saadati Assistant Professor, Department of Sociology, Faculty of Social Sciences, Imam Khomeini International University, Qazvin, Iran Fereshteh Jafari BS in Sociology, Faculty of Social Sciences, Imam Khomeini International University, Qazvin, Iran. Amir Ghofrankhah PhD Student of Criminal Law and Criminology of Shahid Beheshti University.Tehran. Iran 0000-0002-7378-0859 Taha Ashayeri Member of the Academic Staff of the Department of History and Sociology, Faculty of Social Sciences, Mohaghegh Ardabili University.Ardabil. Iran Journal Article 2023 01 09 One of the destructive social harms is the phenomenon of addictive substance abuse, which unfortunately is more and more rooted and growing in the society. Since young people are in the most sensitive and vulnerable period of life, they suffer the most and are easily caught in the trap of consuming these substances. Therefore, the present study was written with the aim of investigating the relationship between social capital and the use of addictive substances.<strong> </strong>The research method is survey and the statistical population includes all young people in Qazvin, 384 of who were selected through Cochran's statistical formula and stratified random sampling to collect data. The data collection tool was a questionnaire and the software required for statistical analysis was SPSS software. The results of Pearson r correlation test showed that the relationship between social capital and all components of addictive drug use including smoking, hookah use, alcohol consumption and smoking among young people in Qazvin with 99% confidence and a significance level less than 0.05 0 has been approved. Also, the results of multivariate regression analysis showed that the variables present in the regression model were able to explain 39.5% of the changes in the variable of addictive substance use. One of the destructive social harms is the phenomenon of addictive substance abuse, which unfortunately is more and more rooted and growing in the society. Since young people are in the most sensitive and vulnerable period of life, they suffer the most and are easily caught in the trap of consuming these substances. Therefore, the present study was written with the aim of investigating the relationship between social capital and the use of addictive substances.<strong> </strong>The research method is survey and the statistical population includes all young people in Qazvin, 384 of who were selected through Cochran's statistical formula and stratified random sampling to collect data. The data collection tool was a questionnaire and the software required for statistical analysis was SPSS software. The results of Pearson r correlation test showed that the relationship between social capital and all components of addictive drug use including smoking, hookah use, alcohol consumption and smoking among young people in Qazvin with 99% confidence and a significance level less than 0.05 0 has been approved. Also, the results of multivariate regression analysis showed that the variables present in the regression model were able to explain 39.5% of the changes in the variable of addictive substance use. https://ijsp.ut.ac.ir/article_92833_687a803a51afa350ee6bf1e4ada90958.pdf