Mercury Air Pollution Reflected in Ocean Fish, Study Says

February 3, 2015 10:49 PM

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TUESDAY, Feb. 3, 2015 (HealthDay News) -- Rising mercury levels in the air are likely to blame for increasing amounts of mercury in Hawaiian yellowfin tuna, researchers say.

Mercury concentrations in the fish are rising by 3.8 percent or more a year, they found after analyzing data from 1971, 1998 and 2008.

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