Hair Element Content in Learning Disabled Children

descriptionPublicationkeyboard_double_arrow_right Article 14 Oct 1977 English Publisher:American Association for the Advancement of Science (AAAS)Journal:Science, volume 198, pages 204-206 (issn: 0036-8075, eissn: 1095-9203,

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Authors: R O, Pihl; M, Parkes;

doi: 10.1126/science.905825

pmid: 905825

Hair Element Content in Learning Disabled Children

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Abstract

Hair samples from 31 learning disabled and 22 normal children were analyzed for content of 14 elements. Significant group differences were determined and a discriminant function was completed which separated the groups with 98 percent accuracy. Elevated lead and cadmium content in the learning disabled group is viewed as being of particular importance.

Related Organizations

McGill University
Canada

Keywords

Chromium, Male, Manganese, Learning Disabilities, Cobalt, Lithium, Trace Elements, Zinc, Sex Factors, Lead, Socioeconomic Factors, Humans, Calcium, Female, Magnesium, Child, Cadmium, Hair

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