One in 10 babies born near Lake Superior shows unsafe levels of mercury

The Minnesota Health Department study says the findings suggest pregnant women in the Lake Superior area "have mercury exposures that need to be reduced." Even small amounts of toxic mercury can harm developing brains and nervous systems.
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The Minnesota Health Department study says the findings suggest pregnant women in the Lake Superior area "have mercury exposures that need to be reduced." Even small amounts of toxic mercury can harm developing brains and nervous systems.

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