Olive Oil and Improved Global Cognitive Function

• Effect of extra virgin olive oil on mild cognitive impairment and dementia in older adults: a systematic review and meta-analysis of clinical trials.

  • 2026-06
  • Meta-Analysis · n = 747
  • Clinical nutrition ESPEN 73
  • • Victor Cordeiro Simão
    • Tiago Paiva Prudente
    • Arthur De Prado Lopes Oliveira
    • Cesar De Oliveira
    • Erika Aparecida Silveira

  • PubMed: 41740793
  • DOI: 10.1016/j.clnesp.2026.102977

  4 Insights on

  • Improved Global Cognitive Function

  • High evidence
  • Clinical

  The overall pooled effect was SMD = 0.29 (95 % CI = 0.18-0.41; p < 0.0001)

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes