ScienceDaily Health Headlines
for Friday, December 23, 2011
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New model to design better flu shots proposed (December 22, 2011) -- The flu shot, typically the first line of defense against seasonal influenza, could better treat the US population, thanks to new research. ... > full story
Long intervening non-coding RNAs play pivotal roles in brain development (December 22, 2011) -- Scientists have identified conserved, long intervening non-coding RNAs that play key roles during brain development in zebrafish, and went on to show that the human versions of these RNAs can substitute for the zebrafish lincRNAs. Until now, lincRNAs have been studied primarily in cell lines rather than at the organismal level, which has precluded research into how lincRNAs affect growth and development. ... > full story
Brain size may predict risk for early Alzheimer's disease (December 22, 2011) -- New research suggests that, in people who don't currently have memory problems, those with smaller regions of the brain's cortex may be more likely to develop symptoms consistent with very early Alzheimer's disease. ... > full story
Personalized treatment for Crohn's Disease a step closer following gene mapping (December 22, 2011) -- Three new locations for Crohn's Disease genes have been uncovered using a novel gene mapping approach. ... > full story
Severe congenital disorder successfully treated in a mouse model for the first time (December 22, 2011) -- Using a mouse model, researchers have for the first time successfully treated a severe congenital disorder in which sugar metabolism is disturbed. Scientists demonstrated that if female mice are given mannose with their drinking water prior to mating and during pregnancy, their offspring will develop normally even if they carry the genetic mutation for the congenital disorder. ... > full story
Bone marrow and blood stem cell transplant survival rates equal, when donor is unrelated to patient (December 22, 2011) -- Patients who receive a blood stem cell transplant from a donor outside of their family to treat leukemia and other blood diseases are more likely to have graft failure but less likely to experience graft-versus-host disease, a condition caused by the donor cells attacking the recipient's body, if the transplanted blood cells come directly from a donor's bone marrow, rather than from blood stem cells circulating in the donor's bloodstream (PBSCs), according to new research. ... > full story
The mall as a sanctuary: Study finds holiday shopping outlets aren't just shrines to spending (December 22, 2011) -- An international study of holiday shopping and religion finds that dominant religious groups are more likely to experience "consumption mass hysteria" while shoppers in minority religions may view malls and stores much differently: as central meeting places that "can play an active role in the creation of a sacred event." ... > full story
Promising results in mice on needle-free candidate universal vaccine against various flu viruses (December 22, 2011) -- Scientists have discovered that an antigen common to most influenza viruses, and commonly referred to as matrix protein 2, when administered under the tongue could protect mice against experimental infection caused by various influenza viruses, including the highly pathogenic avian H5 virus and the pandemic H1 virus. ... > full story
We are natural born multi-taskers (December 22, 2011) -- Scientists have found that we are natural-born multi-taskers. They found evidence that we can pay attention to more than one thing at a time. ... > full story
Severe sepsis can lead to impairment of immune system, study suggests (December 22, 2011) -- An analysis of lung and spleen tissue from patients who died of sepsis revealed certain biochemical, cellular and histological findings that were consistent with immunosuppression, according to a new study. ... > full story
From heterogeneous patient measurements towards earlier diagnosis in Alzheimer's disease (December 22, 2011) -- Medical researchers have developed a decision support tool for objective diagnostics of Alzheimer's disease. The tool compares measurements of a patient to measurements of other persons available in large databases and provides a simple index about the severity of the disease. The project has shown that the tool improves the accuracy of diagnosis and clinicians' confidence about their decision, making earlier diagnosis possible. ... > full story
Do you hear what I hear? Noise exposure surrounds us (December 22, 2011) -- Nine out of 10 city dwellers may have enough harmful noise exposure to risk hearing loss, and most of that exposure comes from leisure activities. ... > full story
The biology behind severe PMS (December 21, 2011) -- Sensitivity to allopregnanolone, a hormone that occurs naturally in the body after ovulation and during pregnancy, changes during the course of the menstrual cycle and is different in women with severe PMS compared with women without PMS complaints. ... > full story
Pregnant women advised to stay cool for baby's sake: Australian study (December 21, 2011) -- Medical researchers have found a link between increases in temperature and the incidence of stillbirth and shorter pregnancies. ... > full story
Prejudice comes from a basic human need and way of thinking, new research suggests (December 21, 2011) -- Where does prejudice come from? Not from ideology, say the authors of a new article. Instead, prejudice stems from a deeper psychological need, associated with a particular way of thinking. People who aren't comfortable with ambiguity and want to make quick and firm decisions are also prone to making generalizations about others. ... > full story
How normal cells fuel tumor growth (December 21, 2011) -- A new study has discovered how normal cells in tumors can fuel cancer progression. The study examines what happens when normal cells called fibroblasts in tumors lose an important tumor-suppressor gene. The findings suggest new strategies for controlling tumor growth, they provide insight into the mechanisms that control the co-evolution of cancer cells and their surrounding normal cells in tumors, and they demonstrate how this gene normally suppresses cancer development. ... > full story
How pregnancy changes a woman's brain (December 21, 2011) -- We know a lot about the links between a pregnant mother's health, behavior, and moods and her baby's cognitive and psychological development once it is born. But how does pregnancy change a mother's brain? ... > full story
Cerebrospinal fluid test can pick up Alzheimer's before symptoms appear (December 21, 2011) -- Analysis of the cerebrospinal fluid can detect whether a person has Alzheimer’s disease before symptoms appear. Researchers have studied biomarkers that offer more reliable diagnosis and, in the longer term, the possibility of effective new treatments. ... > full story
Increase in resting heart rate over 10-year period linked with increased risk of heart disease death (December 21, 2011) -- In a study that enrolled nearly 30,000 apparently healthy men and women, those who had an increase in their resting heart rate over a 10-year period had an increased risk of death from all causes and from ischemic heart disease, according to a new study. ... > full story
Synesthesia linked to a hyper-excitable brain (December 21, 2011) -- Hyper-excitability' in regions of the brain may underlie synesthesia, an unusual condition where some people experience a 'blending of the senses', new researchers suggest. ... > full story
Hypertension treatment associated with long-term improvement in life expectancy (December 21, 2011) -- Patients with systolic hypertension who were treated with the diuretic chlorthalidone for 4.5 years as part of a clinical trial had a significantly lower rate of death and a gain in life expectancy free from cardiovascular death about 20 years later compared to patients who received placebo, according to a new study. ... > full story
Gene therapy for ears (December 21, 2011) -- Gene therapy may someday in the future replace the use of implants in deaf people. The carrier for this gene medicine may be derived from shrimp shells. ... > full story
Why humans are so sociable these days (December 21, 2011) -- Humans have evolved to become the most flexible of the primates and being able to live in lots of different social settings sets us apart from non-human primates, suggests new research. ... > full story
Can nerve growth factor gene therapy prevent diabetic heart disease? (December 21, 2011) -- New research has investigated if nerve growth factor gene therapy can prevent diabetic heart failure and small vascular disease in mice. ... > full story
Breastfeeding saved babies in 19th century Montreal (December 21, 2011) -- Breastfeeding increased infant survival rates in 19th -Century Montreal in two major ways, according to new research. Mother's milk protected vulnerable infants from food and water contaminated by fecal bacteria, while breastfeeding postponed the arrival of more siblings and that improved the health of mothers as well as their subsequent children. ... > full story
New device for rapid, mobile detection of brain injury (December 21, 2011) -- Scientists have created a handheld device capable of quickly detecting brain injuries such as hematomas. The prototype for the hematoma detection device is based on the concept of using instrumental motion as a signal in near-infrared imaging. ... > full story
Being told painting is fake changes brain's response to art (December 21, 2011) -- Being told that a work of art is authentic or fake alters the brain's response to the visual content of artwork, academics have found. ... > full story
New candidate vaccine neutralizes all tested strains of malaria parasite (December 20, 2011) -- A new candidate malaria vaccine has the potential to neutralize all strains of the most deadly species of malaria parasite. ... > full story
Blood pressure medicines reduce stroke risk in people with prehypertension, study suggests (December 20, 2011) -- Blood pressure medicines reduced the risk of stroke by 22 percent in people with prehypertension. More than 50 million Americans have an increased risk of stroke due to prehypertension. ... > full story
Are the anxious oblivious? (December 20, 2011) -- Anxious study participants aren't as physiologically sensitive to subtle changes in their environment as less fearful individuals, new research shows. Researchers reason that anxious people could have a deficit in their threat evaluation capacities, which are necessary for effective decision-making and fear regulation. ... > full story
Scientists identify an innate function of vitamin E (December 20, 2011) -- It's rubbed on the skin to reduce signs of aging and consumed by athletes to improve endurance but scientists now have the first evidence of one of vitamin E's normal body functions. The powerful antioxidant found in most foods helps repair tears in the plasma membranes that protect cells from outside forces and screen what enters and exits, new research shows. ... > full story
Mediterranean diet gives longer life, Swedish study suggests (December 20, 2011) -- A Mediterranean diet with large amounts of vegetables and fish gives a longer life, according to Swedish research. A number of studies since the 1950s have shown that a Mediterranean diet, based on a high consumption of fish and vegetables and a low consumption of animal-based products such as meat and milk, leads to better health. ... > full story
The role of Internet pharmacies in prescription drug abuse (December 20, 2011) -- Efforts to halt the growing abuse of prescription drugs must include addressing the availability of these drugs on the Internet and increasing physician awareness of the dangers posed by Internet pharmacies, according to experts. ... > full story
Middle-age blood pressure changes affect lifetime heart disease, stroke risk (December 20, 2011) -- Changes in blood pressure during middle age can affect lifetime risk for heart disease and stroke. People who maintain or reduce their blood pressure to normal levels during middle age have the lowest lifetime risk of cardiovascular disease, while those with an increase in blood pressure have the highest risk. Age and duration of blood pressure changes can help determine individualized lifetime risk for -- and prevention of -- cardiovascular disease. ... > full story
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