Previous studies have demonstrated that populations exposed to environmental contaminants such as endocrine disruptors, either through their close proximity to industrial plants or through other sources such as food, can have significant changes in the reproductive ability of the community, including the sex ratio.
We aim to create a safe and valuable space for discussion and debate. Claire River to the west of it. Clair River. Some fear residents are being exposed to gender-bending pollutants, while others caution that the results could reflect the normal variability of teen sex statistics on a native reservation in Sarnia sex of children born in small populations each year.
That means: Treat others as you wish to be treated Criticize ideas, not people Stay on topic Avoid the use of toxic and offensive language Flag bad behaviour Comments that violate our community guidelines will be removed. Raised mortality from lung cancer and high sex ratios of births associated with industrial pollution.
Birkett for comments and encouragement, and W. On the reserve, the sex ratio findings have been greeted "with fear," says Ron Plain, the spokesman for the reserve's environmental group. And that's not all - a Pollution Watch report released last year named three Chemical Valley facilities in the Top 10 Ontario Respiratory Polluters list.
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External link. Discussion Evidence of chemical exposures influencing sex ratios. A community participatory research project with the University of Ottawa found that between and , only A slight natural variability in the numbers of boys and girls born in a given place each year is considered normal.