Polybrominated diphenyl ether exposure appears to be associated with decrements in IQ scores as well as increased hyperactivity and aggressive behaviour

In October 2017 researchers from the USA and Canada assessed the relationship between polybrominated diphenyl ether exposure with IQ and externalizing problems in children. Externalizing problems include physical aggression, disobeying rules, cheating, stealing, and destruction of property. A total of 208 children were included in the study. The level of polybrominated diphenyl ether in the children was assessed during childhood at 1, 2, 3, 5, and 8 years, with IQ measured and a behaviour assessment being made at 8 years. Results showed that each 10-fold increase in brominated diphenyl ether-153 exposure was associated with decrements in IQ scores and with increased hyperactivity and aggressive behaviour.

Vuong AM et al. Childhood polybrominated diphenyl ether (PBDE) exposure and neurobehavior in children at 8 years. Environ Res. 2017 Oct;158:677-684

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