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Cereal Intake Increases and Dairy Products Decrease Risk of Cognitive Decline among Elderly Female Japanese.

R Otsuka1, Y Kato, Y Nishita

  • 1Rei Otsuka, Section of NILS-LSA, National Center for Geriatrics and Gerontology, 35 Gengo, Morioka-cho, Obu, Aichi 474-8511, Japan, otsuka@ncgg.go.jp, T +81-562-46-2311 F +81-562-44-6593.

The Journal of Prevention of Alzheimer'S Disease
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Summary

Dietary habits impact cognitive decline. In Japanese women over 60, reduced cereal intake and increased milk/dairy consumption may help prevent cognitive decline. Further research is needed.

Keywords:
CerealJapanesedietelderlymilk and dairy products

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Epidemiology

Background:

  • Dietary interventions offer a significant, non-medical approach to dementia prevention.
  • Understanding the link between food intake and cognitive decline is crucial for public health.

Purpose of the Study:

  • To investigate the association between specific food intakes and cognitive decline in a Japanese population.
  • To identify dietary patterns that may influence cognitive function in older adults.

Main Methods:

  • A prospective cohort study involving 600 Japanese adults (aged 60-81) was conducted.
  • Cognitive function was assessed using the Mini-Mental State Examination (MMSE).
  • Dietary intake was recorded over 3 days, and data were analyzed using generalized estimating equations.

Main Results:

  • In women, a 1-SD increase in cereal intake was associated with a higher likelihood of MMSE decline (OR=1.43, p=0.001).
  • Conversely, a 1-SD increase in milk and dairy intake was linked to a lower likelihood of MMSE decline in women (OR=0.80, p=0.034).
  • No statistically significant association was found for cereal intake in men after adjusting for confounding variables.

Conclusions:

  • Reduced cereal intake and increased milk/dairy consumption may influence cognitive decline in older Japanese women.
  • These findings suggest potential dietary strategies for cognitive health maintenance in aging populations.
  • Further research is warranted to establish causality and explore underlying mechanisms.