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. Bad teeth, bleeding gums and poor dental hygiene can end up causing heart disease, scientists heard today at the Society for General Microbiology's Autumn meeting being held this week at Trinity College, Dublin. http://www.physorg.com/news140292034.html Medicine & Health Wed, 10 Sep 2008 19:00:34 EST news140292034