http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Although some people believe that taking selenium can reduce a person's risk of cancer, a Cochrane Systematic Review of randomised controlled clinical trials found no protective effect against non-melanoma skin cancer or prostate cancer. In addition, there is some indication that taking selenium over a long period of time could have toxic effects. http://medicalxpress.com/news/2011-05-additional-selenium-cancer.html Cancer Wed, 11 May 2011 03:57:34 EST news224304993