Dietary Intake of Zinc was Inversely Associated with Depression |
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Authors: | Teymoor Yary Sanaz Aazami |
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Institution: | (1) Department of Nutrition, Faculty of Food Sciences and Engineering (FFSE), Science and Research Branch, Islamic Azad University (SRBIAU), Hesarak, Tehran, I.R.Iran |
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Abstract: | Depression is an important cause of morbidity, and World Health Organization has predicted that it will be the second leading
contributor to the global burden of disease by 2020. Postgraduate students are at high risk for depression caused by the stress
of examinations, the academic environment, and relationship problems with peers, lecturers, and family members. Physical inactivity,
advancing age, unmarried status, and many other factors contribute to the development of depression in humans. Associations
between symptoms of depression and the intake of nutrients such as magnesium have been investigated; however, the relationship
between zinc intake and depression has not received as much attention. The purpose of the present study was to examine the
relationship between dietary intake of zinc and depression in postgraduate students. This study was conducted on 402 participants
with a mean age of 32.54 ± 6.22 years, including 173 (43%) women and 229 (57%) men. In this study, we found an inverse relationship
between dietary intake of zinc and depression. The results persisted even after we controlled for several potential confounding
variables related to depression symptoms, including age, sex, years of education, smoking status (current and past), and physical
activity. The results of this study show that long-term intake of zinc may modulate symptoms of depression. |
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