Exposure to certain flame-retardant chemicals in pregnancy may be linked to lower intelligence in children. The systematic review and meta-analysis suggests that IQs dip by 3.7 points for every 10-fold increase in prenatal exposure to these flame retardants.

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Exposure to certain flame-retardant chemicals in pregnancy may be linked to lower intelligence in children. The systematic review and meta-analysis suggests that IQs dip by 3.7 points for every 10-fold increase in prenatal exposure to these flame retardants.