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The Dynamics of Mercury Toxins in the Oceans’ Food Web

The Dynamics of Mercury Toxins in the Oceans’ Food Web

Methylmercury, a toxic form of mercury that is readily absorbed from the gastro-intestinal tract and can cause in a variety of health issues, poses a significant threat to marine animals at the top of the food web. A new study confirms that Artic species of these animals have higher concentrations of methylmercury in their tissues compared with animals lower in the food web; however, it also shows similar trends in selenium, which could help play a protective role against the toxic effects of mercury.

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