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Posted Thu Sep 17 2009: from
Reuters:
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Chemical Pollutants Linked to Fewer Female Births http://apocadocs.com/s.pl?1253209632
High exposure to certain now-banned industrial chemicals may lead to fewer female births, a new study suggests.
The findings, reported in the journal Environmental Health, add to evidence that the two groups of related chemicals -- polybrominated biphenyls (PBBs) and polychlorinated biphenyls (PCBs) -- may affect human reproduction...
For the current study, researchers used data from a group of Michigan residents who, in the early 1970s, had been inadvertently exposed to high levels of PBBs; the chemicals had been accidentally mixed into animal feed, leading to human exposure through contaminated meat, eggs and milk.
The researchers observed that, from 1975 to 1988, women in the study group had a higher-than-average rate of male births, relative to the national average.
There was also a suggestion of increased odds of a male birth when both parents' combined PBB exposure was particularly high -- above the midpoint for the study group -- compared with couples whose PBB exposure was lower.
Similarly, couples with high PCB levels had a higher rate of male births.
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[Read more stories about:
PCBs, contamination]
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'Doc Jim says:
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Since pollution is feminizing males won't it all even out soooooo nicely!
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