US Declares Styrene, Formaldehyde Carcinogens

Hemera Technologies/Thinkstock(WASHINGTON) -- The federal government on Friday declared styrene, a widely used chemical, "reasonably anticipated to be a human carcinogen."

Styrene is used to make white foam coffee cups and food containers, and it is also used in building materials.

Formaldehyde, a chemical used to preserve lab specimens, among other uses, was also designated as a cancer causing agent.

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