Halogenated flame retardants, thyroid function biomarkers, attention-deficit/hyperactivity disorder-related traits and neurodevelopment in children: Recent evidence from a Canadian prospective birth cohort study

Halogenated flame retardants (HFRs) may disrupt thyroid hormone homeostasis, potentially affecting neurodevelopment in children. However, studies integrating multi-matrix HFR exposure assessment, thyroid function biomarkers, and multimodal neurodevelopmental outcomes in children remain limited. We examined associations of HFR exposures with thyroid function biomarker levels and, in turn, neurodevelopmental outcomes in children aged 8-12 years and evaluated thyroid function biomarkers as…

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