PCBs hike blood pressure
By Janet Raloff, 17:11 PM November 17, 2009
No one would choose to eat polychlorinated biphenyls, or PCBs — yet we unwittingly do. And a new study finds that the cost of their pervasive contamination of our food supply can be high blood pressure, a major risk factor for heart disease.
PCBs comprise a family of 209 related, colorless and oily compounds. Discovered more than a century ago, they quickly won widespread adoption as the electrical insulator of choice throughout the electric power industry. Being chemically stable and heat ...
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