http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (Medical Xpress)—Oil and water may not mix, but a University of Georgia study found feeding chickens a blend of plant-based oils in their drinking water can help prevent salmonella contamination before the meat reaches the dinner table—or even the grocery store. http://medicalxpress.com/news/2012-11-essential-oil-blend-salmonella-contamination.html Diseases, Conditions, Syndromes Thu, 15 Nov 2012 07:10:03 EST news272184946 (Medical Xpress) -- Scientists using nanotechology at the University of Maryland School of Dentistry have created the first cavity-filling composite that kills harmful bacteria and regenerates tooth structure lost to bacterial decay. http://medicalxpress.com/news/2012-05-scientists-dental-bacteria-remineralize-tooth.html Health Thu, 03 May 2012 16:30:01 EST news255280102 All animals face the challenge of deciding which chemicals in the environment are useful and which are harmful. A new study greatly improves our understanding of how animals sense an important class of potentially harmful chemicals: weak acids. The study appears online on May 16 in the Journal of General Physiology. http://medicalxpress.com/news/2011-05-animals-potentially-acids.html Medical research Mon, 16 May 2011 12:31:18 EST news224767867