其中有一只的胰岛素水平明显高于其他五只。这一只海豚还患有铁负荷、血色沉着病。

One dolphin that had especially high insulin levels compared to others, also had a 10-year history of iron overload, or hemochromatosis.

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血色沉着病——一种遗传性病症引起胃肠道吸收铁增多，沉积在肝脏，导致最终肝硬化或肝衰竭。

HEMOCHROMATOSIS - a genetic disorder involving increased absorption of iron by the gastrointestinal tract and deposition in the liver resulting ultimately in cirrhosis and liver failure.

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例如，因为突变的基因可以提高铁的吸收效率，所以遗传性血色素沉着病突变可以保护带菌者不缺铁。

For example, the hereditary hemochromatosis mutation protects carriers from iron-deficiency because the mutated gene allows increased efficiency of iron absorption.

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