• What Sled Dogs Tell Us About Mercury

    What Sled Dogs Tell Us About Mercury

    What Sled Dogs Tell Us About Mercury


    By Denise Maher from Alternahealthgirl, Moms Clean Air Force guest blogger

    What will happen if our bodies are continually exposed to mercury? To answer that question, scientists in Alaska studied Siberian Husky sled dogs, who, like the region’s indigenous people, eat a famously healthy diet of antioxidant-and omega-3 rich-foods such as moose, black bear, salmon and pike.

    By comparing samples of the sled dogs’ blood and hair to samples from kennel huskies that ate processed food, the researchers observed that the mercury levels in the sled dogs’ systems of were high—and high enough to interfere with antioxidant status. After two months, the mercury contamination messed with antioxidant status enough to pose a health risk to the animals—and probably the people who are exposed to the same environmental hazards.

    Most of the mercury in the dogs’ environment comes from coal-generated power plants located far away from the Yukon, and it eventually accumulates in the tissue of the fish and animals that the dogs eat. “While the mercury levels of the salmon are well below EPA standards,” say the authors“The fact that the mercury had such a negative impact on antioxidant status indicates that monitoring should continue and that mercury generation should be monitored.”

    Something to keep in mind the next time you order some wild Alaskan salmon.

    Source: IOP Publishing’s journal, Environmental Research Letters

    Thank you, Denise!

    Denise Maher is a writer, reporter and editor who has been on the health beat for over 10 years. She’s worked on staff at Whole Living Magazine and More, where she earned a 2009 National Magazine Award nomination. Other publications and companion websites she’s written for include SelfVogue, and Lucky. Denise blogs atAlternahealthgirl.


    See Also: Pollution Hurts Animals Too

    Read more: Dogs, Environment, Nature, Nature & Wildlife, Pet Health, Pets, , , ,

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