ArticleEnvironmental health and preventive medicine2026
A risk-benefit assessment of dietary selenium and its implications in preschool children's growth performance in Taiwan.
Article in Environmental health and preventive medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundOptimizing nutrient intake is crucial for the health and development of preschool children. While previous studies assessed the risks and benefits of selenium (Se) from fish and seafood, few have examined its intake from common foods and its association with children's growth.
objectiveIn this study, we evaluated optimal foods for achieving a dietary Se surplus and the implications for the growth performance of preschool children.
methodsMercury (Hg) and Se concentrations were analyzed in 108 commercially available foods to conduct a dietary risk-benefit assessment of Se intake. Hg exposure was evaluated using hair samples from 349 preschool children enrolled between August 2017 and July 2022. Information on food consumption frequencies and nutrient compositions was obtained through dietary surveys.
resultsOverall, 42.4% of children had hair Hg levels above the US Environmental Protection Agency's reference dose of 1 µg/g, showing that Hg exposure among preschool children in Taiwan remains a significant issue. The risk-benefit assessment revealed that eggs and fish are superior sources of Se compared to other animal- and plant-based foods. Although marine fish contained higher Hg concentrations than eggs, their relatively high Se and ω-3 polyunsaturated fatty acid (PUFA) contents supported a favorable nutritional profile when consumed in moderation. The minor negative health benefit value of Se (HBV
conclusionsModerate consumption of fish and eggs should be encouraged to support optimal growth and neurodevelopment. Overall, dietary patterns of Taiwanese preschool children provide beneficial levels of Se and ω-3 fatty acids while maintaining low Hg-related risks, emphasizing the need for continued monitoring of Hg levels in locally consumed foods to ensure dietary safety.
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