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Anti-oxidant vitamins and mental performance of the elderly.

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Title: Anti-oxidant vitamins and mental performance of the elderly.
Authors: Smith, Andrew, Clark, Rachel, Nutt, David, Haller, Jürg, Hayward, Sheila, Perry, Kate
Source: Human Psychopharmacology: Clinical & Experimental. Oct99, Vol. 14 Issue 7, p459-471. 13p. 10 Charts.
Subjects: Placebos, Antioxidants, Vitamins, Dietary supplements, Vitamin C
Abstract: A double-blind placebo controlled trial was carried out to examine the effects of supplementation with anti-oxidant vitamins on mental performance in the elderly. The participants were assigned to either placebo or vitamin groups and assessed at 4, 8 and 12 months. Blood samples were taken to determine vitamin levels at these times. The results showed little effect of supplementation on mental performance and few associations between plasma levels of the vitamins and mental functioning. These results are in contrast to results from assessment of mood, intelligence and cognitive failure which demonstrated beneficial effects of increased levels of vitamin C. Copyright © 1999 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
Copyright of Human Psychopharmacology: Clinical & Experimental is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Anti-oxidant vitamins and mental performance of the elderly.
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  Data: <searchLink fieldCode="AR" term="%22Smith%2C+Andrew%22">Smith, Andrew</searchLink><br /><searchLink fieldCode="AR" term="%22Clark%2C+Rachel%22">Clark, Rachel</searchLink><br /><searchLink fieldCode="AR" term="%22Nutt%2C+David%22">Nutt, David</searchLink><br /><searchLink fieldCode="AR" term="%22Haller%2C+Jürg%22">Haller, Jürg</searchLink><br /><searchLink fieldCode="AR" term="%22Hayward%2C+Sheila%22">Hayward, Sheila</searchLink><br /><searchLink fieldCode="AR" term="%22Perry%2C+Kate%22">Perry, Kate</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Human+Psychopharmacology%3A+Clinical+%26+Experimental%22">Human Psychopharmacology: Clinical & Experimental</searchLink>. Oct99, Vol. 14 Issue 7, p459-471. 13p. 10 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Placebos%22">Placebos</searchLink><br /><searchLink fieldCode="DE" term="%22Antioxidants%22">Antioxidants</searchLink><br /><searchLink fieldCode="DE" term="%22Vitamins%22">Vitamins</searchLink><br /><searchLink fieldCode="DE" term="%22Dietary+supplements%22">Dietary supplements</searchLink><br /><searchLink fieldCode="DE" term="%22Vitamin+C%22">Vitamin C</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: A double-blind placebo controlled trial was carried out to examine the effects of supplementation with anti-oxidant vitamins on mental performance in the elderly. The participants were assigned to either placebo or vitamin groups and assessed at 4, 8 and 12 months. Blood samples were taken to determine vitamin levels at these times. The results showed little effect of supplementation on mental performance and few associations between plasma levels of the vitamins and mental functioning. These results are in contrast to results from assessment of mood, intelligence and cognitive failure which demonstrated beneficial effects of increased levels of vitamin C. Copyright © 1999 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Human Psychopharmacology: Clinical & Experimental is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/(SICI)1099-1077(199910)14:7<459::AID-HUP128>3.0.CO;2-0
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      – Code: eng
        Text: English
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        PageCount: 13
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        Type: general
      – SubjectFull: Antioxidants
        Type: general
      – SubjectFull: Vitamins
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      – SubjectFull: Dietary supplements
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              M: 10
              Text: Oct99
              Type: published
              Y: 1999
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