Mercury in Tuna Sushi Higher at Restaurants Tuna sushi from a supermarket may be safer to eat than sushi from a high-end restaurant. A new study using fish DNA suggests that some species of tuna, particularly those used by restaurants, have higher mercury levels. However, Live Science reports: “Overall, however, all the tuna had pretty high mercury levels. The levels were, on average, greater than the concentrations considered safe to consume in one day by the U.S. Environmental Protection Agency and higher than the concentrations allowed in Japan.” Sources: Live Science April 21, 2010 Biology Letters April 21, 2010 [Epub [...]
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