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Article

Association of Cooking Behaviors and Kitchen Particulate Matter with Cognitive Function: A Qualitative and Quantitative Study

1
Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
2
Department of Clinical Pharmacology, School of Pharmaceutical Science, Zhengzhou University, Zhengzhou 450001, China
*
Authors to whom correspondence should be addressed.
Toxics 2026, 14(3), 227; https://doi.org/10.3390/toxics14030227
Submission received: 29 January 2026 / Revised: 27 February 2026 / Accepted: 4 March 2026 / Published: 6 March 2026
(This article belongs to the Section Human Toxicology and Epidemiology)

Abstract

The effects of cooking duration and the combined effects of cooking fuel, cooking duration, and ventilation remain unclear, particularly in relation to evidence from measured kitchen particulate matter (PM) exposure. Data were sourced from the Henan Rural Cohort Study and Panel study. Cognitive function was assessed using the Mini-Mental State Examination (MMSE). Cooking fuel, cooking duration, and kitchen ventilation were obtained, and kitchen PM was monitored using U-MINI208. In qualitative analysis, 9403 participants were enrolled. Individuals with long cooking durations scored 0.36 points lower than those with short ones. Those using solid fuels, particularly with long cooking durations and poor ventilation, had the lowest cognitive scores (β = −2.12) and the highest cognitive dysfunction (CD) risk (OR = 1.88). In quantitative analysis, 135 households and 52 individuals were enrolled. Households utilizing solid fuels, longer cooking durations, or natural ventilation showed significantly increased PM concentrations, and elevated kitchen particulate levels are associated with a decline in MMSE scores. Solid fuel, long cooking duration, and poor ventilation are associated with lower cognitive function, highlighting the importance of transitioning to cleaner energy sources, reducing cooking duration, and improving kitchen environments to protect cognition.
Keywords: cooking fuel; cooking duration; kitchen ventilation; particulate matter; cognitive dysfunction cooking fuel; cooking duration; kitchen ventilation; particulate matter; cognitive dysfunction
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MDPI and ACS Style

Zhang, H.; Baheti, B.; Tian, Y.; Liao, W.; Yuchi, Y.; Li, L.; Hou, J.; Mao, Z.; Li, Y.; Wang, C. Association of Cooking Behaviors and Kitchen Particulate Matter with Cognitive Function: A Qualitative and Quantitative Study. Toxics 2026, 14, 227. https://doi.org/10.3390/toxics14030227

AMA Style

Zhang H, Baheti B, Tian Y, Liao W, Yuchi Y, Li L, Hou J, Mao Z, Li Y, Wang C. Association of Cooking Behaviors and Kitchen Particulate Matter with Cognitive Function: A Qualitative and Quantitative Study. Toxics. 2026; 14(3):227. https://doi.org/10.3390/toxics14030227

Chicago/Turabian Style

Zhang, Huanxiang, Bota Baheti, Yuan Tian, Wei Liao, Yinghao Yuchi, Linlin Li, Jian Hou, Zhenxing Mao, Yuqian Li, and Chongjian Wang. 2026. "Association of Cooking Behaviors and Kitchen Particulate Matter with Cognitive Function: A Qualitative and Quantitative Study" Toxics 14, no. 3: 227. https://doi.org/10.3390/toxics14030227

APA Style

Zhang, H., Baheti, B., Tian, Y., Liao, W., Yuchi, Y., Li, L., Hou, J., Mao, Z., Li, Y., & Wang, C. (2026). Association of Cooking Behaviors and Kitchen Particulate Matter with Cognitive Function: A Qualitative and Quantitative Study. Toxics, 14(3), 227. https://doi.org/10.3390/toxics14030227

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