http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Having diabetes doubles a person's risk of dying after a heart attack, but the reason for the increased risk is not clear. A new University of Iowa study suggests the link may lie in the over-activation of an important heart enzyme, which leads to death of pacemaker cells in the heart, abnormal heart rhythm, and increased risk of sudden death in diabetic mice following a heart attack. http://medicalxpress.com/news/2013-02-link-diabetes-heart-death.html Cardiology Fri, 15 Feb 2013 13:30:01 EST news280156983 Have a tough time remembering where you put your keys, learning a new language or recalling names at a cocktail party? New research from the Lisman Laboratory at Brandeis University points to a molecule that is central to the process by which memories are stored in the brain. A paper published in the June 22 issue of the Journal of Neuroscience describes the new findings. http://medicalxpress.com/news/2011-06-memory-molecule-key-protein-complex.html Neuroscience Thu, 23 Jun 2011 11:56:45 EST news228048989