Species to steer clear of, due to higher-than-average levels of mercury, harmful chemicals, and other health no-nos.
June 28, 2013
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What's the catch?
Fish is among the healthiest foods you can eat. It's filled with good fats and protein, and has been shown to fight heart disease, boost brain health, and more.
Here's the catch: You can easily cancel out these health benefits if the fish you eat is contaminated with mercury, antibiotics, or harmful chemicals like PCBs. Use this quick-and-dirty guide to help you steer clear of suspect species that carry higher-than-average health risks.
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Why you should avoid it: Imported catfish may contain antibiotics banned in food in the United States.
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Why you should avoid it: Farmed eel is potentially high in PCBs and mercury.
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Why you should avoid it: King mackerel tends to contain high levels of mercury.
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Why you should avoid it: Orange roughy is high in mercuryand also overfished.
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Chilean sea bass
Why you should avoid it: Like orange roughy, Chilean sea bass are both overfished and may contain mercury.
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Why you should avoid it: Shark meat contains high levels of mercury.
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Why you should avoid it: Imported shrimp may contain antibiotics and chemical residue.
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Why you should avoid it: Like many larger species, swordfish is high in mercury.
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Why you should avoid it: Tilefish are high in mercury.
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Why you should avoid it: Many varieties of tuna contain mercury, but the levels may be higher in bluefin tuna, which are also overfished.