© 2003 by Oxford University Press
© 2003 Oxford University Press
CORRESPONDENCE |
RESPONSE: Re: Zinc Supplement Use and Risk of Prostate Cancer
Affiliations of authors: M. F. Leitzmann, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD; E. L. Giovannucci, Departments of Nutrition and Epidemiology, Harvard School of Public Health, Boston, MA.
Correspondence to: Michael F. Leitzmann, MD, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 6120 Executive Blvd., EPS-MSC 7232, Bethesda, MD 20892 (e-mail: leitzmann@mail.nih.gov).
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Krone and Harms suggest that the apparent adverse effect of zinc supplements on advanced prostate cancer risk is due to contamination of zinc supplements by cadmium. Cadmium exposure has not been consistently associated with
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J Natl Cancer Inst 2003 95: 1556.
J Natl Cancer Inst 2003 95: 1004-1007.