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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: Headache is one the most common compliant of patients and has different causes and the migraine and tension headaches are common. Personality is characteristics forming an individual distinctive manner. This study aimed to determine the frequency and association of different types of personality characteristics in patients with migraine and tension headaches. Materials and Methods: This descriptive-analytic study was done on 160 (12 male and 148 female) subjects with chief complaint of headache whome referred to 5th Azar clinics of Gorgan, Iran during 2007-08. Subjects were selected by simple random sampling and were examined by either a neurologist or psychiatrist patient with diagnosis migraine either of or tension headache were included. Selected patients evaluated by short form of Minnesota Multiphasic Personality Inventory (MMPI). Data were analyzed using SPSS-13 and Chi-Square test. Results: The mean age was 11.18±33.29 in women and 34.33±13.7 in men. 96 patients (60%) had tension headache and 64 (41.2%) had migraine. In tension headache, depressed personality (43.8%) and hysterical personality (16.4%) were more common but in migraine headache, depressed personality (48.9%) and paranoid personality (20%) were common but this difference was not significant. Conclusion: This study showed that there is no relation between personality characteristics with tension headach and migraine.