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Whale of a problem.(Goodnews: essential natural health news)(Brief Article)
In the 1970s, governments banned pesticides known as polychlorinated biphenyls, or PCBs--among the top few deadliest poisons on the planet--but if you think that means they don'! still pose a risk, read on.
Female beluga whales in the St. Lawrence estuary are known to carry up to 10 parts per million (ppm) of PCBs in the fat contained in their nursing milk. (Anything containing more than 2 ppm of PCBs is considered unsuitable for human consumption.)
And US authorities have warned against eating too many fish such as tuna--because marine foods still hold PCBs.
Bottom line? PCBs simply don't ...
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