24 Feb '12, 1pm

Chemical exposures cause child IQ losses that rival major diseases.

The potential public health impacts of environmental exposures on children's nervous systems is significant, according to this study that compares the estimated drops in IQ related to exposures with those related to medical conditions. According to the study, lead and organophosphates together would have more impact than preterm birth or ADHD, two disorders that have considerable societal burden. The results are important because they are the first to estimate in a population the extent of cognitive losses from environmental exposures. Previous studies have evaluated IQ losses in individuals, which can vary widely in children. Examining IQ effects in populations gives a better indication of impacts on society. Environmental exposures can be prevented and efforts to reduce toxic chemicals have been made. But the study's findings suggest they don't go far enough. Further red...

Full article: http://www.environmentalhealthnews.org/ehs/newscience/201...

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