http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. University of Adelaide research has shown for the first time that obesity directly causes electrical abnormalities of the heart. http://medicalxpress.com/news/2011-08-links-obesity-heart-rhythm-disorder.html Cardiology Tue, 16 Aug 2011 09:21:22 EST news232705236 Elderly patients with symptoms of heart failure and increased concentrations in the blood of the biomarker copeptin, or a combination of elevated concentrations of copeptin and the biomarker NT-proBNP, had an associated increased risk of all-cause death, according to a study in the May 25 issue of JAMA. http://medicalxpress.com/news/2011-05-biomarkers-death-elderly-patients-heart.html Cardiology Tue, 24 May 2011 16:48:45 EST news225474503 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