This Article  • References  • Full text PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Similar articles in JAMA  Social Bookmarking   What's this?

Marion Moses, MD
San Francisco, Calif

JAMA. 1989;262(19):2679.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In Reply.—

Because of inadequate studies submitted to the Environmental Protection Agency for the registration of glyphosate in 1972, its oncogenicity status is not fully known. The class D listing, which also means not classifiable as to human carcinogenicity, is interim, and repeated studies are in progress. Glyphosate is contaminated with N-nitroso-glyphosate, but the Environmental Protection Agency decided not to require separate testing of this nitrosamine contaminant. In regard to the World Health Organization's conclusion, a substance can be an oncogen and not a carcinogen.

California has its own pesticide registration division. The California Department of Food and Agriculture classifies glyphosate as a mouse oncogen, and considers unacceptable a chronic effects study accepted by the Environmental Protection Agency.¹

In regard to the effects of Roundup on the skin, a letter (dated July 26, 1988) from Edwin Tinsworth of the Environmental Protection Agency to Dr Timothy Long of Monsanto, . . . [Full Text PDF of this Article]

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?