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Background and Objective: Today, drug abuse is one of the most important medical and social problems of world population, which can be a threat to human’s health. Cannabis as a common substance can create psychotic symptom, psychiatric disorders and antisocial behaviors. This study was designed to compare the prevalency of psychoticism and neuroticism among cannabis and non-cannabis abusers in this region of the country. Materials and Methods: This case control study was done on100 cannabis users whom seek for drugs in public gardens of Golestan province as case group and 100 non-abusers who spend their leisure time in this place as control group. Two groups matched with regard to age and education level. The data gathered by using self-reported adult version of Eysenck Personality Questionnaire (EPQ). The data was analyzed in the SPSS-13.5 software by Chi-square, t-test and Mann-Whitney. Results: The mean score of psychoticism and neuroticism in case and control group was 9.37 and 5.72 respectivley (P<0.05). The mean score of neuroticism in cases and controls was 15.9 and 12.19, respectivley (P<0.05). The relationship between psychoticism and patterns of cannabis consumption was significant (P<0.05). There was a relationship between cannabis consumption and the history of drug misabuse in other substances in cannabis users and in their families. Conclusion: The result of this study can clarify the importance of preventing intervention in substance abuse for improving mental health.

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Background and Objective: Factors involved in the formation of thoughts and suicide attempts with the complexity of social interactions and increasing the likelihood of its occurrence in different societies have led to a global effort to control and improve this social problem. Therefore, the present study aimed to investigate the role of personality traits in suicide attempts among patients referred to the emergency departments in Gorgan, Iran.
Methods: This case-control study was carried out on 80 individuals who attempted suicide and 80 healthy people who had been referred to emergency departments in Gorgan (Iran) in 2020. Demographic information was recorded and personality type was determined based on the NEO Personality Inventory.
Results: The prevalence of neurological disorders and previous history of suicide in the person and family of the patients who attempted suicide was significantly higher than that in the control subjects (P<0.05). Neuroticism was significantly more prevalent in patients who attempted suicide (P<0.05), but the tendency to extroversion, conscientiousness, openness and agreeableness in patients who attempted suicide was significantly lower compared with the control group.
Conclusion: Given the role of personality traits, especially neuroticism, in suicide attempts, attention to personality traits on suicidal behavior provides important data for improving the treatment.