Seven new substances have been added to the U.S. Department of Health and Human Services’ list of cancer-causing agents.
Six of these substances are listed as “known” to cause cancer, while one is “reasonably anticipated to be a human carcinogen,” according to a statement today (Nov. 3) from the National Institutes of Health (NIH).
Five of the new substances on the list are viruses, and all of those are among the “known carcinogens,” the NIH says. The viruses include human T-cell lymphotropic virus type 1, Epstein-Barr virus, Kaposi sarcoma-associated herpesvirus, Merkel cell polyomavirus and human immunodeficiency virus type 1 (HIV-1).
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