http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Researchers at Washington University School of Medicine in St. Louis and King's College London have independently identified DNA on chromosome 3 that appears to be related to depression. http://medicalxpress.com/news/2011-05-dna-region-linked-depression.html Psychology & Psychiatry Mon, 16 May 2011 03:26:38 EST news224735167 Addicts, even those who have been abstinent for long periods of time, are often still vulnerable to their own memories of prior drug use.  For example, exposure to the same environment in which they commonly used drugs - a contextual memory - can increase their craving for the drug dramatically and can lead to relapse. http://medicalxpress.com/news159687067.html Psychology & Psychiatry Thu, 23 Apr 2009 06:31:35 EST news159687067