To the Editor.
—The recent article by Dr Chiu and colleagues1 reported that a high meat diet and a high intake of fat from animal sources was associated with an increased risk of NHL.The authors did not comment on the extensive literature pointing to an association between herbicides and other chemicals contaminated with dioxins and NHL. The most recent review of the published scientific literature by the Herbicide Review Committee of the Institute of Medicine, National Academy of Sciences, concluded, "The recent scientific literature continues to support the conclusion that there is a positive association between exposure to herbicides and non-Hodgkins lymphoma."2Highly lipophilic and persistent chlorinated dioxins and the related chlorinated dibenzofurans are readily detected in tissues of persons residing in industrial countries, such as the United States, and considerably lower levels are found in tissues of persons from less industrial countries. A recent Environmental Protection Agency review concludes
Schecter A, Brandt-Rauf P, Olson J. Meat Intake and Non-Hodgkin Lymphoma. JAMA. 1996;276(7):524. doi:10.1001/jama.1996.03540070020012