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posted by martyb on Tuesday August 28 2018, @03:50AM   Printer-friendly
from the Dynamic-Debugging-Tool-shown-harmful? dept.

https://www.sciencedaily.com/releases/2018/08/180816081500.htm:

National birth cohort study finds DDT metabolites in the blood of pregnant women are associated with elevated odds of autism in offspring

A study of more than 1 million pregnancies in Finland reports that elevated levels of a metabolite of the banned insecticide DDT in the blood of pregnant women are linked to increased risk for autism in the offspring. An international research team led by investigators at Columbia University's Mailman School of Public Health and the Department of Psychiatry published these results in the American Journal of Psychiatry. The study, conducted in collaboration with investigators at the University of Turku and the National Institute of Health and Welfare in Finland, is the first to connect an insecticide with risk for autism using maternal biomarkers of exposure.

Researchers identified 778 cases of childhood autism among offspring born from 1987 to 2005 to women enrolled in the Finnish Maternity Cohort, representing 98 percent of pregnant women in Finland. They matched these mother-child pairs with control offspring of mothers and offspring without autism. Maternal blood taken during early pregnancy was analyzed for DDE, a metabolite of DDT, and PCBs, another class of environmental pollutants.

The investigators found the odds of autism with intellectual disability in offspring were increased by greater than twofold for the mother's DDE levels in the top quartile. For the overall sample of autism cases, the odds were nearly one-third higher among offspring exposed to elevated maternal DDE levels. The findings persisted after adjusting for several confounding factors such as maternal age and psychiatric history. There was no association between maternal PCBs and autism.

Journal Reference:
Alan S. Brown et al. Association of Maternal Insecticide Levels With Autism in Offspring From a National Birth Cohort. American Journal of Psychiatry, 2018 DOI: 10.1176/appi.ajp.2018.17101129


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  • (Score: 2) by dry on Wednesday August 29 2018, @05:06AM

    by dry (223) on Wednesday August 29 2018, @05:06AM (#727686) Journal

    If you were lucky, you might have clean water bubbling up from a spring.

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