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tuna is not the most catimanated specie...
The article published in the 28 November issue of the New England Journal of Medicine indicates that although it is believed that fish intake may reduce the risk of cardiovascular diseases, epidemiological studies of fish intake or fish oil levels and coronary heart disease in the general population have been contradictory. The researchers suggest that mercury found in fish may counteract the benefits of the omega 3 fatty acids, also found in fish.
Mercury exists in several forms but fish intake is the main source of exposure to methylmercury. Fish with a relatively high methylmercury content include swordfish, shark, tilefish, king mackerel, and fish from locally contaminated areas, while tuna, marlin and red snapper have intermediate concentrations of mercury.
source reuters
The article published in the 28 November issue of the New England Journal of Medicine indicates that although it is believed that fish intake may reduce the risk of cardiovascular diseases, epidemiological studies of fish intake or fish oil levels and coronary heart disease in the general population have been contradictory. The researchers suggest that mercury found in fish may counteract the benefits of the omega 3 fatty acids, also found in fish.
Mercury exists in several forms but fish intake is the main source of exposure to methylmercury. Fish with a relatively high methylmercury content include swordfish, shark, tilefish, king mackerel, and fish from locally contaminated areas, while tuna, marlin and red snapper have intermediate concentrations of mercury.
source reuters
