Apply Health Beliefs Model Towards of Substance Abuse

Background: Substance use disorders (SUD) are significant health concern worldwide. Substance use is inveterate trouble which is associated with significant morbidity and mortality. These troubles also account for important health care employment and medical costs. However, the Substance use problems are associated with capitalize health retro gradation, weakness and death due to impacts and exceed. There is growing concern about the effects of conflict and wars on substance use in Iraq. Methods: True experimental design, using a randomized controlled trial approach, is carried throughout the current study to determine the efficacy of health beliefs model-based intervention in changing the belief related to substance use among university students in Mosul City for period from 26-November 2019 to 1-March 2021. Results: Findings of this study depict that there were statistically significant differences among all concepts of the Health Belief Model related to substance use, add to behavioral motivation, behavioral control and intension over time. On the contrary, the perceived barrier was the only belief that showed no significant changes over time. Conclusion: This study concluded that designing an HBM-based study could affect students' understanding and their behaviors in the field of substance abuse. Considering the positive correlation between construct of HBM, particularly in