Study finds hundreds of toxic chemicals in umbilical cords of newborns

In a first-of-its-kind study, researchers from two major laboratories looked for the presence of toxic chemicals in umbilical cord blood of 10 newborn babies born in U.S. hospitals in August and September 2004. A collaboration of the Environmental Working Group and Commonweal brought about the study. (For the full report, go to http://www.ewg.org/reports/bodyburden2/.)

Of the more than 400 chemicals tested for, 287 were detected in umbilical cord blood. Of these, 180 cause cancer in humans or animals, 217 are toxic to the brain or nervous system, and 208 cause birth defects or abnormal development in animals. Scientists refer to the presence of such toxins in the newborn as “body burden.”

According to the study’s authors, the scope of testing was limited because chemical companies are not required to divulge methods for detecting the presence of their chemicals in the human body. “Had we tested for a broader array of chemicals,” they wrote, “we would almost certainly have detected far more than 287.”

Among those substances found to be polluting the blood supply for the newborn babies were eight perfluorochemicals used as stain and oil repellants in fast-food packaging, clothes and textiles, including the Teflon chemical PFQA, a carcinogen; dozens of widely used bromated flame retardants and their toxic byproducts; and many pesticides.

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http://www.wsws.org/articles/2005/dec2005/toxi-d07.shtml