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Chinese herbal medicine, sibship, and blood lead in children
1Graduate Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University College of Public Health, Taipei, Taiwan.
Insights
Consumption of Chinese herbal medicine and sibling relationships significantly impact children's blood lead levels (BPb). This study highlights these factors as key determinants of BPb in young children.
Area of Science:
- Environmental Health
- Pediatric Toxicology
- Public Health
Background:
- Blood lead concentration (BPb) is a significant public health concern in children.
- While various risk factors for elevated BPb are known, the influence of sibship and traditional Chinese herbal medicine remains under-investigated.
- Understanding these factors is crucial for developing targeted prevention strategies.
Purpose of the Study:
- To investigate the association between the consumption of Chinese herbal medicine and sibship characteristics with blood lead concentration (BPb) in preschool children.
- To identify novel risk factors contributing to lead exposure in young children.
Main Methods:
- A cross-sectional study involving 319 preschool children aged 1-7 years who voluntarily underwent blood lead level testing.
- Parental interviews were conducted to collect data on Chinese herbal medicine consumption, living environment, lifestyle, and sibship details.
- Multivariate regression analysis was used to assess the relationship between identified factors and BPb.
Main Results:
- The mean blood lead concentration (BPb) among the 319 children was 4.4 (2.4) µg/dL.
- Consumption of the Chinese herbal medicine Ba-baw-san was significantly associated with increased BPb (p = 0.038).
- Sibling relationships explained a substantial portion of BPb variation: 75% for brothers, 51% for sisters, and 41% for brother-sister pairs.
Conclusions:
- Both Chinese herbal medicine use and family play patterns, as indicated by sibship type, are significant determinants of blood lead concentration (BPb) in Taiwanese preschool children.
- These findings suggest that interventions should consider traditional medicine use and family dynamics to reduce lead exposure.
- Further research is warranted to elucidate the mechanisms behind these associations.
Objectives:
Risk factors for increased blood lead concentration (BPb) has been investigated. However, the effect of sibship and Chinese herbal medicine on BPb has not been systematically studied. In this study BPb data from voluntary testing was used to determine if Chinese herbal medicine and sibship were associated with BPb.
Methods:
319 children aged 1-7 were tested for BPb. Meanwhile, parents were interviewed to obtain information including consumption of Chinese herbal medicine, living environment, lifestyle, and sibship of the children tested.
Results:
The mean (SD) BPb of 319 preschool children was 4.4 (2.4) micrograms/dl. The consumption of Ba-baw-san (a Chinese herbal medicine) was significantly associated with increased BPb in children (p = 0.038). Further multivariate regression analysis of BPb in 50 pairs of siblings showed the factors of being brothers explained 75% of variation for BPb, and being sisters and brother-sister explained 51% and 41% of variation respectively.
Conclusion:
Chinese herbal medicine and children's play patterns within the family expressed in different types of sibship are the main determinants of low concentrations of BPb in preschool children of Taiwan.