A study of test scores from over 1.6 million primary school students in Indiana has revealed that some children are being left behind -- those conceived during the summer months, when nitrates and pesticides applied to lawns and fields are at their highest levels.
The study, presented May 7 at the annual meeting of the Pediatric Academic Society by Paul Winchester, MD of the Indiana University School of Medicine found that the ISTEP test scores in math and language for Indiana students in grades 3-10 "were distinctly seasonal with the lowerst scores received by children who had been conceived in June through August."
Why might this be? "Exposure to pesticides and nitrates can alter the hormonal milieu of the pregnant mother and the developing fetal brain," said Dr. Winchester. "While our findings do not represent absolute proof that pesticides and nitrates contribute to lower ISTEP scores, they strongly support such a hypothesis."
This assertion was backed up by James Lemons, MD, Hugh McK Landon Professor of Pediatrics at IUSM: " I believe this work may lay the foundation for some of the most important basic and clinical research and public health initiatives of our time. To recognize that what we put into our environment has potential pandemic effects on pregnancy outcome and possibly on child development is a momentous observation, which hopefully will help transform the way humanity cares for its world."
We couldn't agree more. This material was taken from a press release issued by the Indiana University School of Medicine, URL: http://www.medicine.indiana.edu/news_releases/viewRelease.php4?art=686
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