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. Scientists at Michigan State University have found exposure to the hormone progesterone activates genes that trigger inflammation in the mammary gland. http://www.physorg.com/news169908140.html Biology Wed, 19 Aug 2009 13:42:35 EST news169908140 (PhysOrg.com) -- A new study from Harvard School of Public Health (HSPH) researchers found that participants who drank for a week from polycarbonate bottles, the popular, hard-plastic drinking bottles and baby bottles, showed a two-thirds increase in their urine of the chemical bisphenol A (BPA). Exposure to BPA, used in the manufacture of polycarbonate and other plastics, has been shown to interfere with reproductive development in animals and has been linked with cardiovascular disease and diabetes in humans. The study is the first to show that drinking from polycarbonate bottles increased the level of urinary BPA, and thus suggests that drinking containers made with BPA release the chemical into the liquid that people drink in sufficient amounts to increase the level of BPA excreted in human urine. http://www.physorg.com/news162133540.html Medicine & Health Thu, 21 May 2009 14:06:36 EST news162133540 When tumor cells acquire the capacity to move around and invade other tissues, there is a risk of metastases and cancer treatment becomes more difficult. At the Institut Curie, CNRS Director of Research Philippe Chavrier and his group have just discovered how breast cancer cells break the bonds that tether them to the tumor. http://www.physorg.com/news134396551.html Medicine & Health Fri, 04 Jul 2008 13:22:31 EST news134396551