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Relationship Between Nutrients Intake and the Risk of Prostate Cancer: A Case-Control Study in Kermanshah, Iran Publisher



Bagheri A1 ; Nachvak SM2 ; Abdollahzad H2 ; Arzhang P3 ; Rezaei M4 ; Pasdar Y2 ; Moradi MR5 ; Mohammadi F6
Authors
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Authors Affiliations
  1. 1. Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
  2. 2. Department of Nutritional Science, School of Nutritional Science and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
  3. 3. Department of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
  4. 4. Department of Biostatistics, Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
  5. 5. Department of Urology, Kermanshah University of Medical Sciences, Kermanshah, Iran
  6. 6. Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran

Source: Nutrition and Food Science Published:2018


Abstract

Purpose: It has been suggested that there is a link between the dietary intake of certain nutrients and the risk of prostate cancer. The aim of this study is to examine the associations between dietary intakes of all nutrients and the risk of prostate cancer in Kermanshah. Design/methodology/approach: This case-control study was conducted in Kermanshah, a province in the west of Iran in November of 2016. The sample consisted of 50 patients with confirmed prostate cancer, and 150 healthy men who matched in age with these cases and did not have any symptoms of prostate disorder were chosen as controls. Dietary intakes were collected by a semi-quantitative food frequency questionnaire that contained 147 food items and were then analyzed by Nutritionist 4 software. Findings: After adjustment for potential confounding factor, highest tertile compared to lowest tertile of dietary vitamin E intake [odds ratio (OR) = 0.21; 95% confidence interval (CI) = 0.05-0.89], lycopene intake (OR = 0.11; 95% CI = 0.01-0.86) and magnesium intake (OR = 0.02; 95% CI = 0.01-0.55) had a protective effect on the incidence of prostate cancer. However, there were no associations between dietary intakes of fiber, vitamin A, vitamin D, vitamin B12, folate and calcium with prostate cancer. Originality/value: The finding suggests that the dietary intakes of vitamin E, lycopene and magnesium could decrease the risk of prostate cancer. Nevertheless, dietary intake of other nutrients such as fiber, calcium, vitamins D, A, B12 and folate was not associated with prostate cancer. © 2018, Emerald Publishing Limited.
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