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Current status of indoor dust PBDE pollution and its physical burden and health effects on children

Keyang Zheng1,2, Zhijun Zeng1, Yucong Lin3

  • 1Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou, 511443, Guangdong, China.

Environmental Science and Pollution Research International
|January 17, 2023
PubMed

Insights

Polybrominated diphenyl ethers (PBDEs) are prevalent in indoor dust, posing a significant exposure risk to children. This review highlights the physical burden and potential health hazards, including neurobehavioral issues and cancer, linked to PBDEs in children's environments.

Area of Science:

  • Environmental Health
  • Toxicology
  • Pediatrics

Background:

  • Polybrominated diphenyl ethers (PBDEs) are persistent organic pollutants found globally.
  • Indoor dust is a primary exposure route for PBDEs, particularly for children.
  • Previous research has not adequately summarized the health implications of PBDE exposure in children via indoor dust.

Purpose of the Study:

  • To review the current status of PBDE pollution in indoor dust relevant to children.
  • To highlight epidemiological evidence on the physical burden and health risks in children.
  • To identify trends in PBDE contamination and congener profiles in various indoor environments.

Main Methods:

  • Literature review of epidemiological studies on PBDEs in indoor dust and children's health.
  • Analysis of PBDE levels and congener profiles in household, school, and car dust.
  • Assessment of PBDE transfer from dust to children and infants via breast milk.

Main Results:

  • PBDEs remain at high concentrations in indoor dust across homes, schools, and cars, with a notable increase in cars.
  • A shift towards lower brominated congeners in car and school dust suggests evolving pollution patterns.
  • Indoor dust exposure leads to higher PBDE burdens in children, especially infants, and contaminates breast milk.

Conclusions:

  • Indoor dust represents a significant source of PBDE exposure for children, with potential long-term health consequences.
  • Evidence suggests a link between PBDE exposure from dust and neurobehavioral problems and cancer development in children.
  • Monitoring PBDE levels in indoor dust is crucial for assessing and mitigating risks to child health.

Keywords:
Body burdenChildrenDustHealthIndoorPBDE

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