Duke University study finds that mercury in saltwater fish could be more dangerous than freshwater fish

By June 25, 2010Got Mercury?

A new study by Duke University suggests that humans need to be more wary of saltwater fish like tuna, mackerel and sharks than of freshwater fish. Although seawater has lower concentrations of mercury than freshwater, mercury in seawater is more likely to stay in its toxic form, researchers report in a recent issue of Nature Geoscience.

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