http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. A new study led by scientists at the Universities of York and Bradford has identified the two areas of the brain responsible for our perception of orientation and shape. http://medicalxpress.com/news/2013-02-brain-vision-secrets-unraveled.html Neuroscience Sun, 03 Feb 2013 13:00:12 EST news279115734 Every year, over 300,000 heart valve replacement operations are performed worldwide. Diseased valves are often replaced with mechanical heart valves (MHVs), which cannot yet be designed to suit each patient's specific needs. Complications such as blood clots can occur, which can require patients to take blood-thinning medication. http://medicalxpress.com/news/2012-12-simulations-blood-mechanical-heart-valves.html Cardiology Wed, 19 Dec 2012 09:34:54 EST news275132085 Full-body or X-ray scanners used for airport security screening may affect the function of insulin pump or continuous glucose monitoring (CGM) devices. People with diabetes can present a travel letter obtained from their physicians to avoid possible damage caused by exposure to imaging equipment in airports. http://medicalxpress.com/news/2012-10-diabetes-devices-airport-scanners.html Diabetes Wed, 24 Oct 2012 13:10:02 EST news270300695 The development of novel medical imaging techniques to revolutionise cancer detection and treatment will be the result of a new partnership announced today between Queen's University Belfast and Cirdan Imaging Ltd. http://medicalxpress.com/news/2012-07-queen-spin-in-company-revolutionize-cancer.html Cancer Mon, 23 Jul 2012 10:53:29 EST news262259603 Patients treated by physicians who billed for both technical (practice/equipment) and professional (supervision/ interpretation) components of nuclear and echocardiographic stress imaging tests were more likely to undergo such tests after coronary revascularization compared with patients of physicians who did not bill for these services, according to a study in the Nov. 9 issue of JAMA. http://medicalxpress.com/news/2011-11-financial-reimbursement-cardiac-stress.html Cardiology Tue, 08 Nov 2011 16:29:23 EST news239992157