The effect of consuming nuts on cognitive function: a systematic review and meta-analysis of randomized clinical trials

Results from clinical trials investigating the effect of nuts consumption on cognition are conflicting. We decided to conduct the current meta-analysis to summarize all available evidence on the effect of consuming nuts on cognition scores. We conducted a comprehensive search in the online databases...

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Bibliographic Details
Published in:Frontiers in nutrition (Lausanne) 2024-09, Vol.11, p.1463801
Main Authors: Moabedi, Mahdi, Aliakbari, Mohammadreza, Erfanian, Shima, Jibril, Aliyu Tijani, Milajerdi, Alireza
Format: Article
Language:English
Subjects:
adults
clinical trials
cognition
meta-analysis
Nutrition
nuts
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Summary:Results from clinical trials investigating the effect of nuts consumption on cognition are conflicting. We decided to conduct the current meta-analysis to summarize all available evidence on the effect of consuming nuts on cognition scores. We conducted a comprehensive search in the online databases using relevant keywords up to June 2024. We included all the published Randomized clinical trials (RCTs) investigating the effect of nuts, compared to control, on cognition scores. Overall, 5 trials were included with a total sample size of 928 adults. Based on 6 effect sizes from these 5 trials, we did not find a significant effect of nuts on cognition function [Standardized Mean Difference (SMD): 0.27, 95% CI: -0.65 to 1.19,  = 0.57]. Our review could not find a significant effect of nuts on cognition function. Future high-quality RCTs with larger sample sizes should be conducted to shed light on the impact of nuts on cognition.
ISSN:2296-861X
2296-861X
DOI:10.3389/fnut.2024.1463801