http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Using the 2008 Beijing Olympics as their laboratory, University of Southern California (USC) researchers and colleagues have found biological evidence that even a short-term reduction in air pollution exposure improves one's cardiovascular health. http://medicalxpress.com/news/2012-05-beijing-olympics-reveals-biological-link.html Health Tue, 15 May 2012 16:00:07 EST news256309474