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Medical News and Perspectives
February 25, 2004

Farmed, Wild Salmon Pollutants Probed

JAMA. 2004;291(8):929-930. doi:10.1001/jama.291.8.929

Farmed salmon have significantly higher concentrations of environmental contaminants such as polychlorinated biphenyls (PCBs) than their wild counterparts, according to an analysis of about 700 salmon from around the world.

The study's authors caution that eating farmed salmon "might pose risks that detract from the beneficial effects of fish consumption" (Science. 2004;303:226-229). But a debate has ensued over the take-home message from the study, with critics disputing that contaminant levels in salmon pose a health risk great enough for consumers to curb their appetite for the fish.

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