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Fruit and Vegetable Consumption and Frailty: A Systematic Review.

G Kojima1, C Avgerinou, S Iliffe

  • 1Gotaro Kojima, MD, Department of Primary Care and Population Health, University College London (Royal Free Campus), Rowland Hill Street, London, NW3 2PF, UK, Phone: +44 (0)20 7794 0500, Fax: +44 (0)20 7472 6871,

The Journal of Nutrition, Health & Aging
|October 2, 2018
PubMed
Summary

Higher fruit and vegetable intake may reduce frailty risk. This systematic review suggests a potential link, but more high-quality research is needed to confirm these findings on dietary patterns and aging.

Keywords:
Frailtydietfruitsnutritionvegetables

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Public Health

Background:

  • Frailty is a growing concern in aging populations, impacting health outcomes.
  • Dietary factors, particularly fruit and vegetable consumption, are potential modifiable risk factors for frailty.

Purpose of the Study:

  • To systematically review and critically evaluate existing evidence on the association between fruit and vegetable consumption and frailty risk.
  • To synthesize findings from observational studies to understand the current state of knowledge.

Main Methods:

  • A systematic literature search was conducted across four databases (Embase, MEDLINE, CINAHL, PsycINFO) for observational cohort studies.
  • Included studies examined associations between fruit and vegetable intake and frailty in community-dwelling populations.
  • Methodological quality of prospective studies was assessed using the Newcastle-Ottawa scale.

Main Results:

  • Seven observational studies (five prospective, two cross-sectional) were included.
  • Due to heterogeneity, a meta-analysis was not feasible.
  • Good quality prospective studies indicated that higher fruit and vegetable consumption was generally associated with a lower risk of incident frailty.

Conclusions:

  • Current evidence, though limited by study quality and quantity, suggests a potential protective association between higher fruit and vegetable intake and reduced frailty risk.
  • Further high-quality research is essential to solidify these findings and inform public health recommendations.