http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Scientists at King's College London have, for the first time, uncovered a gene responsible for Adams-Oliver Syndrome (AOS), a condition which can cause birth defects of the heart, limbs, or blood vessels. http://medicalxpress.com/news/2011-05-genetic-clue-common-birth-defects.html Genetics Thu, 12 May 2011 12:28:52 EST news224422099 (Medical Xpress) -- The gut may need bacteria to provide a little bit of oxidative stress to stay healthy, new research suggests. Probiotic bacteria promote healing of the intestinal lining in mice by inducing the production of reactive oxygen species, researchers at Emory University School of Medicine have shown. http://medicalxpress.com/news/2011-05-beneficial-bacteria-intestinal-injury-reactive.html Medical research Tue, 10 May 2011 15:07:00 EST news224258764