https://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (Medical Xpress)—A new study in the U.S. has shown that pigs vaccinated against one strain of influenza were worse off if subsequently infected by a related strain of the virus. https://medicalxpress.com/news/2013-08-vaccination-flu-worse-exposed-strain.html Fri, 30 Aug 2013 08:10:01 EDT news297066170 (Medical Xpress)—A new study in the US suggests that boosting a certain group of antibodies could help to create a universal vaccine for influenza. https://medicalxpress.com/news/2013-08-universal-flu-vaccine-closer.html Fri, 16 Aug 2013 05:50:01 EDT news295845258 (Medical Xpress)—Researchers in the U.S. have developed a new method to study damage to DNA and resultant translocations in living cells. https://medicalxpress.com/news/2013-08-dna-chromosome-translocations-real.html Fri, 09 Aug 2013 06:20:01 EDT news295244601 (Medical Xpress)—Whooping cough (Pertussis) is a highly contagious disease caused by the bacterium Bordetella pertussis and characterized by attacks of severe coughing, often (but not always) with a characteristic high-pitched "whoop" at the end. Until recently it appeared that the disease was close to being eradicated, but the incidence is now rapidly increasing. https://medicalxpress.com/news/2013-08-whooping-onthe.html Fri, 02 Aug 2013 05:30:01 EDT news294638665 (Medical Xpress)—The importance of the bacteria that live within our digestive tracts is just beginning to be fully realized, and while it has long been known that they assist in digestion and absorption of nutrients, little has been understood about the stability of the microbiota population. Now a U.S. study suggests the gut flora are relatively stable over several years and possibly over our entire lifetimes. https://medicalxpress.com/news/2013-07-gut-microbe-populations-stable-years.html Fri, 05 Jul 2013 07:46:39 EDT news292229184 (Medical Xpress)—A new study by researchers in the US has shown that an ancient virus can be modified to help in the fight against the simian immunodeficiency virus SIV, which is the equivalent in monkeys to HIV in humans. https://medicalxpress.com/news/2013-05-cytomegalovirus-monkeys-hiv-equivalent.html Fri, 24 May 2013 09:01:38 EDT news288604885 (Medical Xpress)—Recent scientific papers from China suggest a vigilant watch should be kept on the development of bird flu viruses, as a new strain has been identified and previously known viruses have been shown capable of mutating to forms that could spread from human to human via respiratory droplets. https://medicalxpress.com/news/2013-05-surveillance-bird-flu-strains.html Fri, 03 May 2013 06:20:01 EDT news286776701 (Medical Xpress)—A new study by scientists in France and Denmark has identified a neurological marker in the brain of babies as young as five months that is associated with visual consciousness, or the ability to process and remember images they have seen. https://medicalxpress.com/news/2013-04-babies-visual-consciousness-months.html Fri, 19 Apr 2013 06:23:59 EDT news285571424 (Medical Xpress)—A new study in a mouse model has shown that neuropsychiatric disorders in adults were more likely to develop if the mice had suffered immune challenges before birth and stresses after birth. The study also demonstrated that there are interactions between environmental factors that increase the likelihood of brain disorders developing. https://medicalxpress.com/news/2013-03-combination-stresses-brain-disorders.html Fri, 01 Mar 2013 05:45:33 EST news281339107 (Medical Xpress)—The chief medical officer for Britain's Department of Health has issued a warning that resistance to bacteria is a more urgent threat to humanity than global warming, with bacteria becoming resistant to current antibiotics at an alarming rate, and there are almost no new antibiotics in the pipeline. https://medicalxpress.com/news/2013-01-expert-resistance-antibiotics-apocalyptic.html Fri, 25 Jan 2013 05:20:17 EST news278313610 (Medical Xpress)—A group of researchers in Austria and Switzerland has for the first time proven that immune cells migrate along chemical concentration gradients. This process has long been assumed but never demonstrated experimentally in living tissues. https://medicalxpress.com/news/2013-01-immune-cells-gradients.html Fri, 18 Jan 2013 04:58:38 EST news277707485 (Medical Xpress)—Scientists have until now not fully understood how animals see in color, since visual pigments in eyes contain exactly the same chromophore (light absorbing segment of the molecule) and yet can absorb different wavelengths of light. https://medicalxpress.com/news/2012-12-new-understanding-of-how-we.html Fri, 07 Dec 2012 05:42:50 EST news274081352 (Medical Xpress)—A new study in the US and Germany has added to our understanding of the human cytomegalovirus (HCMV) and how it manipulates the cells it infects. https://medicalxpress.com/news/2012-11-proteins-human-cytomegalovirus.html Fri, 23 Nov 2012 09:01:51 EST news272883691 (Medical Xpress)—An international team of scientists has discovered the mechanism by which zebrafish can re-grow brain neurons after they have suffered traumatic brain injury, and that this mechanism is associated with inflammation. https://medicalxpress.com/news/2012-11-zebrafish-regrow-brains.html Fri, 09 Nov 2012 05:40:01 EST news271655654 (Medical Xpress)—A new study in mice has shown that genetically engineered bacteria can protect against inflammatory bowel disease (IBD), which includes a host of conditions including ulcerative colitis and Crohn's disease. https://medicalxpress.com/news/2012-11-genetically-bacteria-crohn-colitis.html Fri, 02 Nov 2012 05:30:02 EDT news271050191 (Medical Xpress)—Researchers from the US and Japan have shown that an aggressive type of brain tumor can arise from normal cells in the central nervous system such as neurons. The cells revert to an earlier, undifferentiated stem cell stage, which can then reproduce prolifically. https://medicalxpress.com/news/2012-10-brain-tumors-neurons.html Fri, 19 Oct 2012 05:50:01 EDT news269842779 (Medical Xpress)—A new US study into brain function has found links between preferences and the regions of the brain involved in connecting new memories to old ones. The associations formed provide shortcuts the subconscious can use for decision making. https://medicalxpress.com/news/2012-10-links-hippocampus-unconscious-bias.html Fri, 12 Oct 2012 08:55:47 EDT news269250934 (Medical Xpress)—A new study by scientists in the US has found that the opiate morphine and the stimulant cocaine act on the reward centers in the brain in different ways, contradicting previous theories that these types of drugs acted in the same way. https://medicalxpress.com/news/2012-10-morphine-cocaine-affect-reward-sensation.html Fri, 05 Oct 2012 05:30:11 EDT news268633788 (Medical Xpress) -- Cardiovascular diseases kill over 17 million people a year globally, according to the World Health Organization, and many more suffer heart attacks but recover. Even those who do recover are more prone to suffer heart failure or future heart attacks because the heart tissue is damaged. Attempts to produce effective therapies to promote repair and regeneration of heart tissues and blood vessels have so far mostly been unpromising. https://medicalxpress.com/news/2012-08-nanofibers-heart.html Fri, 10 Aug 2012 06:17:20 EDT news263798178 (Medical Xpress) -- Researchers in the US have developed a new detector for measuring rare circulating tumor cells (CTCs) in samples of whole blood. https://medicalxpress.com/news/2012-07-detector-rare-cancer-cells.html Sat, 07 Jul 2012 06:30:01 EDT news260857847 (Phys.org) -- A group of scientists in Singapore and the UK have isolated a human antibody capable of effectively neutralizing the mosquito-borne dengue virus. Dengue fever is currently incurable and infects an estimated 100,000 people a year, mostly in the tropics. The only treatment is alleviating the symptoms, which can include intense joint and muscle pain, nausea, vomiting, high fever, and death in severe cases. https://medicalxpress.com/news/2012-06-human-antibody-dengue-virus-isolated.html Fri, 22 Jun 2012 05:40:01 EDT news259560458 (Phys.org) -- A report in the journal Nature on the extent of unapproved stem-cell treatments in China has found that the practice is still widespread and is attracting thousands of medical tourists to the country. https://medicalxpress.com/news/2012-04-nature-unapproved-stem-cell-therapies-china.html Thu, 12 Apr 2012 06:10:01 EDT news253424301 (Medical Xpress) -- Researchers in Chile have successfully tested a vaccine against meningococcus B, a strain of bacteria that causes meningococcal diseases, including one of the commonest forms of meningitis, a disease in which membranes covering the brain and spinal cord become inflamed. Meningitis can be caused by viruses or bacteria, but the bacterial forms, such as meningococcus B, are more severe and cause the deaths of many young children every year. https://medicalxpress.com/news/2012-01-meningitis-vaccine.html Fri, 20 Jan 2012 05:30:02 EST news246256033 (Medical Xpress) -- The antidepressant fluoxetine, which is marketed under the name "Prozac," has been approved for use in the US for over two decades, and while some people find it effective, the results vary widely from one person to another, and scientists do not fully understand how it works to change a person's mood over time. Now a study in mice has found that Prozac's benefits are enhanced by the addition of other therapies. https://medicalxpress.com/news/2011-12-prozac-therapies.html Fri, 23 Dec 2011 05:10:01 EST news243837075 (Medical Xpress) -- Researchers at Genetech Inc. in South San Francisco, California, led by molecular biologist Junichiro Sonoda, have discovered that a single injection of antibodies into obese diabetic mice provided a marked and sustained improvement in their condition and a reduction in their weight. https://medicalxpress.com/news/2011-12-antibody-diabetes-obesity.html Fri, 16 Dec 2011 06:00:01 EST news243233160 (Medical Xpress) -- A new vaccine is being tested in the US that may protect against the norovirus, which causes "stomach flu" or acute viral gastroenteritis, that can occur in confined living settings such as cruise ships, nursing homes, hospitals, schools, and military establishments. https://medicalxpress.com/news/2011-12-vaccine-epidemic-gastroenteritis.html Fri, 09 Dec 2011 09:20:01 EST news242642730 (Medical Xpress) -- A new study has revealed that as humans learn to walk the two basic patterns of stepping present in the newborn remain unchanged and two new patterns are added at the toddler stage. This development process and the patterns are similar to those found in other species such as rats, cats, macaques and guineafowl, which suggests that locomotion in the different species could be based on a common ancestral neural network. https://medicalxpress.com/news/2011-11-insights-humans.html Fri, 18 Nov 2011 06:10:01 EST news240809877 (Medical Xpress) -- Malaria is a disease caused by parasites passed to humans via the bites of infected mosquitoes. Globally, the disease causes over a million deaths every year, and is especially rife in parts of Africa and Asia. The parasites infect red blood corpuscles (the hemoglobin-containing cells that carry oxygen around the body) and hijack the support structure within the cells. Some people are known to be naturally resistant to the serious effects of malaria, and scientists have wondered for decades exactly how their resistance functions. Now new research gone a long way to solving the mystery. https://medicalxpress.com/news/2011-11-mystery-resistance-malaria.html Fri, 11 Nov 2011 14:20:03 EST news240240019 (Medical Xpress) -- A new study by scientists in France has revealed that the cerebellum region of the brain plays an important role in the ability to navigate when visual cues are absent, and is the first study to show this kind of influence of the cerebellum on the hippocampus, which was already known to be involved in the kind of mental mapping needed for navigation. https://medicalxpress.com/news/2011-10-cerebellar-neurons-dark.html Fri, 21 Oct 2011 05:50:01 EDT news238389968 (PhysOrg.com) -- A new study in the US has shown that the type of "good" bacteria that predominate in human stools varies with the diet. https://medicalxpress.com/news/2011-09-gut-microbe-makeup-affected-diet.html Fri, 02 Sep 2011 06:30:01 EDT news234160220