Mercury's Threat Greater in Ocean Fish Than Freshwater

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Mercury's Threat Greater in Ocean Fish Than Freshwater
http://www.thefooddoctor.com/src/inthen ... rcuryfish/

Seawater itself is the reason why mercury in saltwater fish poses more of a health threat to humans than freshwater fish, even though concentrations of the chemical are much higher in freshwater species, according to new research.

I thought this part was interesting...

"The most common ways nature turns methylmercury into a less toxic form is through sunlight," study author Heileen Hsu-Kim, an assistant professor of civil and environmental engineering, said in the news release.