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Cross-sectional study
Effective dietary recommendations could help to prevent age-related cognitive decline
  1. Ondine van de Rest
  1. Division of Human Nutrition, Wageningen University and Research, Wageningen, The Netherlands
  1. Correspondence to Dr Ondine van de Rest, Division of Human Nutrition, Wageningen University and Research, Wageningen 6700AA, The Netherlands; Ondine.vandeRest{at}

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Commentary on: McEvoy CT, Guyer H, Langa KM, et al. Neuroprotective diets are associated with better cognitive function: the health and retirement study. J Am Geriatr Soc 2017;65:1857–62.

Implications for practice and research

  • Effective dietary recommendations to prevent age-related cognitive decline have important public health implications given the high prevalence and large burden of dementia.

  • More prospective studies and clinical trials are needed to further elucidate the role of dietary patterns against neurodegeneration during ageing and to find the most optimal dietary pattern.


Dementia is one of the grand challenges of the 21st century. Since no curative therapy is available yet, prevention by lifestyle factors such as diet is of utmost importance. Therefore, effective dietary strategies that can slow down cognitive decline and reduce the incidence of dementia need to be identified. The Mediterranean diet (MedDiet) has been associated with slower cognitive decline and a …

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  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.