Both smokers and nonsmokers should appreciate results of studies of the effect of organic selenium on angiogenesis. A report last year by Cheng Jiang et al. in Molecular Carcinogenesis (vol. 29, issue 4) reports sustained suppression of angiogenesis in breast and prostate cancer cells. However, inorganic selenium supplements induce less favorable effects. Millard M. Mershon
Bel Air, Md.