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. We all know people who are tense and nervous and can't relax. They may have been wired differently since childhood. http://www.physorg.com/news134191489.html Medicine & Health Wed, 02 Jul 2008 04:24:49 EST news134191489