http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. New research shows that craving drugs such as nicotine can be visualized in specific regions of the brain that are implicated in determining the value of actions, in planning actions and in motivation. Dr. Alain Dagher, from McGill University, suggests abnormal interactions between these decision-making brain regions could underlie addiction. These results were presented at the 2013 Canadian Neuroscience Meeting, the annual meeting of the Canadian Association for Neuroscience - Association Canadienne des Neurosciences (CAN-ACN). http://medicalxpress.com/news/2013-05-addiction-disorder-decision-making.html Neuroscience Wed, 22 May 2013 09:51:13 EST news288435064 U.S. emergency care costs may be more than twice previously published estimates, according to a new analysis that critiques those estimates, argues for improved accounting, and suggests considering the value of emergency care as well as total spending. http://medicalxpress.com/news/2013-04-emergency.html Health Mon, 29 Apr 2013 12:48:23 EST news286458431 A new commentary in the Annals of Internal Medicine from researchers with The Johns Hopkins Center for Gun Policy and Research and University of California, Davis, calls for more physician engagement in the current gun policy dialogue. http://medicalxpress.com/news/2013-02-gun-violence-experts-physician-involvement.html Health Mon, 11 Feb 2013 17:10:01 EST news279822250 In the wake of the horrific school shootings in Newtown, Conn. in December, three Harvard experts say the best way to curb gun violence in the U.S. is to take a broad public health approach, drawing on proven, evidence-based strategies that have successfully reduced other public health threats like smoking, car crashes, and accidental poisonings. http://medicalxpress.com/news/2013-01-comprehensive-health-approach-urged-curb.html Health Mon, 07 Jan 2013 16:14:03 EST news276797635 This year's WHO World Health Day will be on healthy ageing, with the official launch on April 4 ahead of the actual World Health Day on April 7. Correspondence published Online First by The Lancet shows that not only must old attitudes to ageing be transformed, but attention must be shifted to dealing with non-communicable diseases in the elderly, which represent by far the largest burden of disease in this age group. The letter is by Dr Peter Lloyd-Sherlock, School of International Development, University of East Anglia (UEA), Norwich, UK, and colleagues. http://medicalxpress.com/news/2012-04-attitudes-aging-global-priority.html Health Tue, 03 Apr 2012 18:30:01 EST news252689341 (Medical Xpress) -- Even when covered by health insurance, cancer patients face mounting out-of-pocket expenses that force some to avoid filling prescriptions, skip doctor appointments, and scale back on food and other necessities. http://medicalxpress.com/news/2011-06-medical-bills-cancer-patients-skimp.html Cancer Tue, 07 Jun 2011 08:47:04 EST news226655180