http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Two types of environmental conditions—cold-dry and humid-rainy—are associated with seasonal influenza epidemics, according to an epidemiological study led by researchers at the National Institutes of Health's Fogarty International Center. The paper, published in PLOS Pathogens, presents a simple climate-based model that maps influenza activity globally and accounts for the diverse range of seasonal patterns observed across temperate, subtropical and tropical regions. http://medicalxpress.com/news/2013-03-nih-role-climate-influenza-transmission.html Diseases, Conditions, Syndromes Thu, 07 Mar 2013 17:00:02 EST news281894759 Higher humidity levels indoors can significantly reduce the infectivity of influenza virus particles released by coughing, according to research published February 27 in the open access journal PLOS ONE by John Noti and colleagues from the National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention. http://medicalxpress.com/news/2013-02-higher-indoor-humidity-inactivates-flu.html Diseases, Conditions, Syndromes Wed, 27 Feb 2013 17:00:10 EST news281206279 (Medical Xpress)—Influenza, commonly known as the flu, has distinct transmission patterns around the world. In temperate regions, influenza's occurrence peaks during the winter season, while in some tropical regions, the disease's occurrence tends to correspond with the rainy season. http://medicalxpress.com/news/2012-12-flu-common-winter-season.html Diseases, Conditions, Syndromes Thu, 13 Dec 2012 06:42:45 EST news274603359 Anti-caking agents in powdered products may hasten degradation of vitamin C instead of doing what they are supposed to do: protect the nutrient from moisture. http://medicalxpress.com/news/2011-09-additives-meant-vitamin.html Health Wed, 28 Sep 2011 12:12:45 EST news236430747