http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. A new study from Columbia University School of Nursing supports a growing body of evidence that women are less likely to contract bloodstream or surgical site infections than their male counterparts. http://medicalxpress.com/news/2013-05-nursing-women-men-health-care-associated-infections.html Diseases, Conditions, Syndromes Thu, 30 May 2013 16:12:33 EST news289149146 Bronchiectasis is independently associated with an increased mortality risk in patients with moderate-to-severe COPD, according to a new study from researchers in Spain. http://medicalxpress.com/news/2013-02-bronchiectasis-mortality-moderate-to-severe-copd.html Diseases, Conditions, Syndromes Fri, 08 Feb 2013 00:00:01 EST news279472696 A new multi-university study reports that differences in bacterial colonization of the infant gut in formula-fed and breast-fed babies lead to changes in the expression of genes involved in the infant's immune system. http://medicalxpress.com/news/2012-05-breast-fed-babies-gut-microbes-contribute.html Immunology Mon, 21 May 2012 11:41:25 EST news256819271 Early colonization of the gut by microbes in infants is critical for development of their intestinal tract and in immune development. A new study, published in BioMed Central's open access journal Genome Biology, shows that differences in bacterial colonization of formula-fed and breast-fed babies leads to changes in the infant's expression of genes involved in the immune system, and in defense against pathogens. http://medicalxpress.com/news/2012-04-breastfeeding-healthy-infant-gut.html Medical research Mon, 30 Apr 2012 03:10:01 EST news254971282