Evidence map›Paper›PMID 15198918›Full record

ReviewEnvironmental health perspectives2004

Recent developments in low-level lead exposure and intellectual impairment in children.

Karin Koller, Terry Brown, Anne Spurgeon, Len Levy

Open access · diamondAbstract readReview
In one paragraph

Review in Environmental health perspectives, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed, 2 pooled it
16.0field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

88 citing papers in PubMed, 2 syntheses or guidelines pooled it, 425 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
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  5. Review
  6. Article
  7. Awareness and Knowledge of Lead Poisoning: A Street Survey in Three Municipalities of Georgia.International journal of environmental research and public health · 2024
    Article
  8. Article
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  11. Review
  12. Legacies of Pre-1960s Municipal Waste Incineration in the Pb of City Soils.Environmental science & technology letters · 2023
    Article
  13. Bioaccessibility, exposure and risk assessment of potentially toxic elements and essential micronutrients in ayurvedic, traditional Chinese and Ghanaian medicines.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2023
    Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
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28 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Karin KollerMedical Research Council Institute for Environment and Health, University of Leicester, Leicester, United Kingdom. kew13@le.ac.uk
Terry Brown
Anne Spurgeon
Len Levy
University of Leicester · GBUniversity of Birmingham · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the last decade children's blood lead levels have fallen significantly in a number of countries, and current mean levels in developed countries are in the region of 3 Mu g/dL. Despite this reduction, childhood lead poisoning continues to be a major public health problem for certain at-risk groups of children, and concerns remain over the effects of lead on intellectual development in infants and children. The evidence for lowered cognitive ability in children exposed to lead has come largely from prospective epidemiologic studies. The current World Health Organization/Centers for Disease Control and Prevention blood level of concern reflects this and stands at 10 Mu g/dL. However, a recent study on a cohort of children whose lifetime peak blood levels were consistently less than 10 Mu g/dL has extended the association of blood lead and intellectual impairment to lower levels of lead exposure and suggests there is no safety margin at existing exposures. Because of the importance of this finding, we reviewed this study in detail along with other recent developments in the field of low-level lead exposure and children's cognitive development. We conclude that these findings are important scientifically, and efforts should continue to reduce childhood exposure. However, from a public health perspective, exposure to lead should be seen within the many other risk factors impacting on normal childhood development, in particular the influence of the learning environment itself. Current lead exposure accounts for a very small amount of variance in cognitive ability (1-4%), whereas social and parenting factors account for 40% or more.

Indexed as

Child DevelopmentChild WelfareEnvironmental ExposureChildChild, PreschoolCognition DisordersCross-Sectional StudiesDose-Response Relationship, DrugHumansIntelligenceLead PoisoningParentingProspective StudiesPublic HealthReference ValuesRisk Assessment

Identifiers

PMID15198918
PMCPMC1247191
OpenAlexW2091004905

What OpenQuestion holds

Textmetadata
LicenceCC0
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.