Specific nutritional deficiencies in Western populations lead to measurable reductions in cognitive and mental performance
Specific nutritional and micronutrient deficiencies are consistently linked across multiple demographic studies to measurable reductions in cognitive and mental performance.
The retrieved papers include comprehensive reviews and empirical studies (such as those examining vitamin B12, magnesium, and general micronutrient status) demonstrating a clear positive link between nutritional deficiencies and reductions in cognitive performance. No papers refute the claim.
Zvinodashe Revesai, Okuthe P. Kogeda. Knowledge-Guided Neural Networks for Transparent Micronutrient Deficiency Detection. 2025. https://doi.org/10.1109/ICTAS64866.2025.11155502
Highlights that micronutrient deficiencies significantly impact elderly health by increasing cognitive decline.
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Nikalansooriya A, Waidyarathna GRNN, Kaththiriarachchi LS, Chandrasekara A. Role of Nutrition in Cognitive Development and Academic Performance During Adolescence: A Comprehensive Review.. 2025. https://doi.org/10.7759/cureus.96189
Shows that nutritional deficiencies and micronutrient inadequacies have significant effects on cognitive functions, learning, and brain health during adolescence.
Himanshi Suri, K. A. Senghor, V. Vinodhini, K. T. Sai, J. Charles, S. Rooban. Comparison of single-point insulin sensitivity estimator (SPISE) index and cognitive performance in vitamin B12-deficient young adults: An analytical cross-sectional study. 2024. https://doi.org/10.4103/jfmpc.jfmpc_611_24
Demonstrates that vitamin B12 deficiency in young adults correlates with lower cognitive performance scores on the Mini-Mental State Examination.
Al-Kum L, Shakhshir A, Badrasawi M, Al-Amouri F. Serum magnesium level is associated with cognitive function among the elderly in Palestine, a cross-sectional study.. 2026. https://doi.org/10.1186/s13104-026-07682-0
Finds that serum magnesium levels are significantly associated with cognitive function and instrumental activities of daily living among older adults.
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