Korean Journal of Community Nutrition

Review

[English]
Mercury exposure is associated with obesity: a systematic review and meta-analysis: Jimin Jeon, Kyong Park; Korean J Community Nutr 2023;28(3):192-205. Published online June 30, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.3.192

Objectives
Previous studies have evaluated the association between mercury exposure and obesity but have yielded mixed conclusions. The aim of this study was to systematically review and summarize scientific evidence regarding the association between mercury exposure and obesity in the human population.
Methods
We conducted a systematic search of PubMed, Web of Science, Scopus, and Science Direct for articles related to mercury exposure and obesity. Meta-analyses of the highest and lowest categories of mercury levels were evaluated using a random effects model. Begg’s test was used to detect publication bias.
Results
A total of 9 articles were included. The pooled random effects odds ratio (OR) for mercury exposure and obesity of all 9 studies was 1.66 (95% confidence interval [CI]: 1.16-2.38). This positive association was evident in adults (OR: 1.61, 95% CI: 1.02-2.54) and among studies with Asian populations (OR: 2.00, 95% CI: 1.53-2.59), but not among those with North America/African populations (OR: 0.90, 95% CI: 0.50-1.65).
Conclusions
The present meta-analysis identified a positive association between mercury exposure and obesity. These findings suggest that toxic environmental metals such as mercury may be an important risk factor for obesity along with dietary habits and lifestyles.

Citations

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Association between heavy metal exposure and biomarkers for non-alcoholic fatty liver disease in Korean adolescents
Dong-Wook Lee, Jongmin Oh, Yu Min Lee, Hyun-Joo Bae, Youn-Hee Lim
Heliyon.2024; 10(19): e37840. CrossRef

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