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Vitamin C, Mood and Cognitive Functioning in the Elderly.

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Summary
This summary is machine-generated.

This study found that vitamin C supplementation improved mood and cognitive function in older adults. Higher vitamin C levels were linked to better mood, intellectual function, and fewer memory errors over 12 months.

Keywords:
Anti-oxidant vitaminsCognitionElderlyMoodVitamin C

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Area of Science:

  • Gerontology
  • Nutritional Neuroscience
  • Psychopharmacology

Background:

  • Oxidative stress and nutrient deficiencies are common in aging.
  • Antioxidant vitamins like C, E, and beta-carotene are crucial for brain health.
  • Previous research suggests a link between diet and cognitive function in older adults.

Purpose of the Study:

  • To investigate the impact of antioxidant vitamin supplementation on mood and cognitive performance in elderly individuals.
  • To determine if specific vitamin level changes correlate with improvements in mental well-being and cognitive abilities.

Main Methods:

  • A 12-month randomized, double-blind, placebo-controlled trial involving 205 volunteers aged 60-80 years.
  • Participants received daily antioxidant supplements (beta-carotene, alpha-tocopherol, ascorbic acid) or a placebo.
  • Mood, cognitive failures, intelligence, and plasma vitamin levels were assessed at baseline and at 4, 8, and 12 months.

Main Results:

  • Few significant differences were observed between the vitamin and placebo groups overall.
  • Increases in plasma vitamin C levels, but not other antioxidants, were significantly associated with improved mood and cognitive function at 12 months.
  • These positive effects of vitamin C were most pronounced in participants with lower baseline mood and cognitive function.

Conclusions:

  • Supplementation with a combination of antioxidant vitamins did not yield significant broad improvements in mood or cognition in this cohort.
  • Changes in vitamin C levels were positively correlated with enhanced mood, intellectual functioning, and reduced cognitive errors in older adults.
  • Findings suggest that vitamin C may play a specific role in mitigating mood and cognitive decline in vulnerable elderly populations, supporting dietary intake observations.