The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Autism: A form of lead and mercury toxicity
Abstract
Aim Autism is a developmental disability characterized by severe deficits in social interaction and communication. The definite cause of autism is still unknown. The aim of this study is to find out the relation between exposure to Lead and/or mercury as heavy metals and autistic symptoms, dealing with the heavy metals with chelating agents can improve the autististic symptoms.Method Blood and hair samples were obtained from 45 children from Upper Egypt with autism between the ages of 2 and 10 years and 45 children served as controls in the same age range, after taken an informed consent and fill a questionnaire to assess the risk factors. The samples were analyzed blindly for lead and mercury by using atomic absorption and ICP-MS. Data from the two groups were compared, then follow up of the autistic children after treatment with chelating agents were done.Results The results obtained showed significant difference among the two groups, there was high level of mercury and lead among those kids with autism. Significant decline in the blood level of lead and mercury with the use of DMSA as a chelating agent. In addition, there was decline in the autistic symptoms with the decrease in the lead and mercury level in blood.Conclusion Lead and mercury considered as one of the main causes of autism. Environmental exposure as well as defect in heavy metal metabolism is responsible for the high level of heavy metals. Detoxification by chelating agents had great role in improvement of those kids.
Overview
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
In the citing paper
“Environmental chemicals that have been implicated as risk factors for ASD include polychlorinated biphenyls (PCBs), lead, bisphenol A (BPA), mercury, and pesticides ( Tables 1–2 ) [ 52–62 ].”
From DNA methylation: a mechanism linking environmental chemical exposures to risk of autism spectrum disorders? (2016) · cites this paper as [61]
Citations
Cites
Trends in the prevalence of developmental disabilities in US children, 1997-2008
Boyle, C. A., Boulet, S., Schieve, L. A., Cohen, R. A., Blumberg, S. J., Yeargin-Allsopp, M., Visser, S., & Kogan, M. D. (2011) · Pediatrics · doi:10.1542/peds.2010-2989 · Cited by 1,732
James, S. J., Cutler, P., Melnyk, S., Jernigan, S., Janak, L., Gaylor, D. W., & Neubrander, J. A. (2004) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/80.6.1611 · Cited by 955
Autism and measles, mumps, and rubella vaccine: no epidemiological evidence for a causal association
Taylor, B., Miller, E., Farrington, C., Petropoulos, M.-C., Favot-Mayaud, I., Li, J., & Waight, P. A. (1999) · The Lancet · doi:10.1016/s0140-6736(99)01239-8 · Cited by 753
Risk Factors for Autism: Perinatal Factors, Parental Psychiatric History, and Socioeconomic Status
Larsson, H. J., Eaton, W. W., Madsen, K. M., Vestergaard, M., Olesen, A. V., Agerbo, E., Schendel, D., Thorsen, P., & Mortensen, P. B. (2005) · American Journal of Epidemiology · doi:10.1093/aje/kwi123 · Cited by 727
Blumberg, S. J., Bramlett, M. D., Kogan, M. D., Schieve, L. A., Jones, J. R., & Lu, M. C. (2013) · PubMed · Cited by 726
Outcomes in adolescents and adults with autism: A review of the literature
Levy, A. K., & Perry, A. (2011) · Research in Autism · doi:10.1016/j.rasd.2011.01.023 · Cited by 465
Environmental toxicants and autism spectrum disorders: a systematic review
Rossignol, D. A., Genuis, S. J., & Frye, R. E. (2014) · Translational Psychiatry · doi:10.1038/tp.2014.4 · Cited by 458
Maternal lifestyle and environmental risk factors for autism spectrum disorders
Lyall, K., Schmidt, R. J., & Hertz-Picciotto, I. (2014) · International Journal of Epidemiology · doi:10.1093/ije/dyt282 · Cited by 427
Windham, G. C., Zhang, L., Gunier, R., Croen, L. A., & Grether, J. K. (2006) · Environmental Health Perspectives · doi:10.1289/ehp.9120 · Cited by 424
Vaccines for measles, mumps and rubella in children
Demicheli, V., Rivetti, A., Debalini, M. G., & Di Pietrantonj, C. (2012) · Cochrane Database of Systematic Reviews · doi:10.1002/14651858.cd004407.pub3 · Cited by 372
Flagged first, then by citations
Research works printed but not linked: 2
- Blumberg, 2013, vol. 65, 1
- CDC – Center for Disease Control, 2012, vol. 61(SS03), 1
Cited by
Sorted by citations
Items 101–105 of 105
Arsenic Exposure and Neurodevelopmental Disorders in Children: A Cross-Sectional Study
López, C., Rubilar, P. A., Muñoz, M. P., Hirmas, M., & Iglesias, V. (2025) · Annals of Global Health · doi:10.5334/aogh.4874
Chiesa, M. (2018) · theses.fr (ABES) · doi:10.70675/6ef32b4fzb74az4b06zb8edz92268c28d542
Trisha, A. D., Imran, M. A., Hafsa, J. M., & Mohanto, N. C. (2026) · GeoHealth · doi:10.1029/2026gh001955
Environmental Factors Influencing Brain Metallomics
Błażewicz, A., Kiełbus, M., Almeida, A. A., & Wojnicka, J. (2026) · Neuromethods · doi:10.1007/978-1-0716-5468-2_12
Metadata
- Authors
- Yassa, H. A.
- Affiliations
- Assiut University (EG)
- Corresponding author
- Yassa, Heba A.
- ORCID
- Yassa, Heba A.
- Venue
- Environmental Toxicology and Pharmacology
- Publisher
- Elsevier BV
- Published
- 2014-11
- Volume
- 38
- Issue
- 3
- Pages
- 1016-1024
- ISSN
- 1382-6689 (ISSN-L)
- OpenAlex
- W2049647064
- Cited by
- 105
- References
- 36
- Citations by year
- 2026: 3 · 2025: 7 · 2024: 6 · 2023: 12 · 2022: 9 · 2021: 10 · 2020: 9 · 2019: 11 · 2018: 8 · 2017: 13 · 2016: 10 · 2015: 6
- FWCI
- 6.35
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Environmental Toxicology and Pharmacology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Heavy Metal Exposure and Toxicity
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
- Keywords
- autism spectrum disorder, lead toxicity, mercury toxicity, heavy metal exposure, chelation therapy, DMSA, blood lead levels, blood mercury, hair metal levels, autism symptoms, children, environmental risk factors
- MeSH terms
- Autistic Disorder, Chelating Agents, Child, Child, Preschool, Succimer, Environmental Pollutants, Female, Humans, Lead, Male, Mercury, Surveys and Questionnaires, Risk Factors, Case-Control Studies, Treatment Outcome
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review