http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. A uniquely collaborative study by researchers at the Salk Institute for Biological Studies uncovered a novel mechanism that turns up glucose production in the liver when blood sugar levels drop, pointing towards a new class of drugs for the treatment of metabolic disease. http://medicalxpress.com/news/2011-05-fasting-pathway-class-diabetes-drugs.html Medical research Thu, 12 May 2011 12:25:32 EST news224421912 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