Nutrition and Prostate Cancer

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Abstract
Despite intense efforts, little is known about the etiology of prostate cancer, and treatment of advanced forms of the disease has had limited success. Nonetheless, epidemiologic studies combined with animal model and in vitro experiments indicate that natural components of the diet, including n-3 PUFA, the carotenoid lycopene, and the trace element selenium, may serve as chemopreventive agents that suppress the growth and dissemination of neoplastic prostate cells. Until further study, however, soy isoflavones should be viewed with some caution, especially as adjuvant's to chemotherapy, in patients with hormone-refractory prostate cancer. Future studies, using different forms and doses of selenium and tomato carotenoids, may shed new light on the etiology and prevention of prostate cancer.