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Medical News & Perspectives
August 18, 2004

Researchers Ponder PCB Health Risks

JAMA. 2004;292(7):793. doi:10.1001/jama.292.7.793

Champaign, Ill—For residents across the country, a spate of recent newspaper headlines such as "Are You Eating Cancerous Salmon?" have raised sobering questions about whether pollutants are making fish and other foods unsafe to eat.

The stories focus on polychlorinated biphenyls (PCBs), a chemical mixture that has been linked in animal studies to cancer, liver toxicity, and adverse effects on the immune, reproductive, neurological, and endocrine systems. And new studies are pointing to possible links between PCBs and cardiovascular disease .