All children who exhibit behavioural or developmental problems should be screened for levels of lead in their blood, say researchers from the South and West Devon Health Authority writing in the journal Archives of Disease in Childhood. 'Children with behavioural and/or developmental problems are more likely to have significantly higher blood lead concentrations than the general childhood population. Lead, a known and treatable neurotoxin, would contribute to the impairment suffered by these children. We argue that they should be routinely screened for lead.'
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