Long-Delayed Report on Carcinogens Adds Styrene, Formaldehyde

The U.S. Department of Health and Human Services  (HHS) has added eight substances to the 12th edition of its Report on Carcinogens, published June 10. Formaldehyde and a botanical known as aristolochic acids have been listed as known human carcinogens. Six other substances, including styrene, have been added as substances “reasonably anticipated” to be a human carcinogen. The National Toxicology Program (NTP), part of the National Institutes of Health (Bethesda, MD), compiles the report, which is mandated by Congress. However, NTP says a listing...

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