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. A new national screening strategy in Denmark has halved the number of infants born with Down's syndrome and increased the number of infants diagnosed before birth by 30%, according to a study published on bmj.com today. http://www.physorg.com/news147081337.html Medicine & Health Fri, 28 Nov 2008 07:55:37 EST news147081337 Screening for colorectal cancer detects four out of ten cancers and should be carefully designed to be more effective, according to a study published today on bmj.com. http://www.physorg.com/news146473215.html Medicine & Health Fri, 21 Nov 2008 07:00:15 EST news146473215