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Objectives: Toxic substances can trigger headaches. The prevalence of pesticide use and headaches was high among the population of Rafsanjan. Methods: A cross-sectional study was used to collect data from 9991 adults who participated via sampling people aged 35-70 years old of both genders from the Rafsanjan Cohort Study (RCS) in Iran. Demographic characteristics, habits, chronic primary headache (CPH), and episodic primary headache (EPH) were measured. Results: The prevalence of CPH and EPH were 7.4 % and 29.9 % respectively. The multivariable model showed the odds of EPH increased significantly by the pesticide exposure on farm OR: 1.16 (1.02-1.34), in yard OR: 1.18 (1.01-1.39), duration of pesticide exposure in yard > median OR: 1.35 (1.06-1.73), at home OR: 1.31 (1.17-1.46), duration of pesticide exposure at home ≤ median OR: 1.24 (1.10-1.40) and > median OR: 1.38 (1.22-1.57). Also, pesticide preparation OR: 1.20 (1.03-1.39), duration of exposure in pesticide preparation ≤ median OR: 1.31 (1.09-1.57), and duration of exposure in managed spraying pesticide > median OR: 1.28 (1.04-1.57) increased odds of EPH. These results showed that the odds of CPH increased in participants using pesticides at home OR: 1.22 (1.02-1.48), duration of pesticide exposure at home > median OR: 1.37 (1.11-1.70), and duration of pesticide exposure in pesticide preparation > median OR: 0.47 (0.27-0.82). The odds of EPH increased with more pesticide exposures (18 %) and duration of pesticide exposure (25 %). Conclusions: As evidenced by the obtained results, there is a relationship between pesticide exposure and headaches.
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BACKGROUND: Psychotic symptoms in Alzheimer's disease (AD) patients are a problem in medicine. The efficacy of the vitamin B12 on the treatment of the psychotic symptoms of the AD patients in the association with antipsychotic drugs Quetiapine and Risperidone, was evaluated in this Study. METHODS: The effects of vitamin B12 along with two other drugs were studied on the Mini-Mental State Examination (MMSE), Clinical Global Impression (CGI), Brief Psychiatric Rating Scale (BPRS) and pain Visual Analogue Scale (VAS) in 47 AD patients with psychotic symptoms, including 4 groups, psychotic AD patients treated with Risperidone, Risperidone plus vitamin B12, Quetiapine and Quetiapine plus vitamin B12 . RESULTS: The results showed that Quetiapine improved all of the psychotic criteria, while Quetiapine plus vitamin B12 had better results on BPRS after 2 weeks, VAS score and MMSE. Risperidone also improves all of the criteria except MMSE and drug efficacy index, while, vitamin B12 neutralize the effects of the Risperidone on the BPRS, VAS, and severity of illness. CONCLUSION: Due to these results, Quetiapine is the preferred antipsychotics drug and Vitamin B12 plays an effective role in treatment as an adjunct therapy.