Medical Xpress: PHYSorg news tagged with: immune system http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Immunity in the mind Do our own prejudices and perceptions of people help defend our bodies against infectious disease? http://medicalxpress.com/news/2011-05-immunity-mind.html Psychology & Psychiatry Wed, 11 May 2011 09:51:57 EST news224326304