http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Researchers have discovered a potentially important new resistance factor in the battle against HIV: blood types. An international team of researchers from Canadian Blood Services, The Hospital for Sick Children (SickKids) and Lund University in Sweden have discovered that certain blood types are more predisposed to contracting HIV, while others are more effective at fending it off. http://www.physorg.com/news150983869.html Medicine & Health Mon, 12 Jan 2009 11:57:49 EST news150983869 An audio relaxation program lowered blood pressure more than a Mozart sonata in a group of elderly people with high blood pressure, researchers reported at the American Heart Association's 62nd Annual Fall Conference of the Council for High Blood Pressure Research. http://www.physorg.com/news140885721.html Medicine & Health Wed, 17 Sep 2008 15:55:21 EST news140885721