ScienceDaily Health Headlines
for Tuesday, December 14, 2010
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Ubiquitous sugar molecule could be key to repairing deep wound without scarring (December 14, 2010) -- Blocking fragments of the sugar molecule hyaluronan that triggers inflammation could be the key to robust healing and less scarring in deep wounds. ... > full story
2009 H1N1 vaccine safe and induces robust immune response in people with asthma (December 14, 2010) -- Results from a government-sponsored clinical trial of inactivated 2009 H1N1 influenza vaccine in people with asthma indicate that a single dose of vaccine was safe and induced a strong immune response predictive of protection. The findings also suggest that individuals over the age of 60 who have severe asthma may require a larger dose of vaccine. ... > full story
Smartphone technology improves prosthetic limbs (December 14, 2010) -- By combining smartphone technology with artificial limbs, researchers are paving the way for a new generation of prostheses. The technology, called an accelerometer, gives users a better sense of the orientation of their artificial limb – thus making the limb easier to operate. ... > full story
Strength training for seniors provides cognitive function, economic benefits (December 14, 2010) -- A one-year follow-up study on seniors who participated in a strength training exercise program shows sustained cognitive benefits as well as savings for the health-care system. ... > full story
Ovarian cancer advances when genes are silenced (December 14, 2010) -- Researchers have found evidence of epigenetics at work on a genome-wide scale in cases of ovarian cancer. One major biological signaling pathway in particular was found to contain many genes influenced by DNA methylation -- a mechanism for turning off genes -- in tumor cells. ... > full story
Leukemia: Leukemic stem cells reversed to pre-leukemic stage by suppressing a protein (December 14, 2010) -- Researchers have discovered that leukemic stem cells can be reversed to a pre-leukemic stage by suppressing a protein called beta-catenin found in the blood. ... > full story
Unlawful killing of newborns soon after birth five times higher than thought, French court study suggests (December 14, 2010) -- Although rare, the true incidence of neonaticides -- the unlawful killing of a baby within the first 24 hours of its life -- is more than five times as common as official estimates suggest, suggests new research looking at cases in three regions of France. ... > full story
Scientist shows link between diet and onset of mental illness (December 13, 2010) -- Changes in diet have been linked to a reduction of abnormal behaviors in mentally ill people or animals, but a Purdue University study shows that diet might also trigger the onset of mental illness in the first place. ... > full story
Three-quarters of hip fracture patients are vitamin D deficient, Indian study reveals (December 13, 2010) -- A study from New Delhi India has revealed high rates of vitamin D deficiency among hip fracture patients, confirming the conclusions of similar international studies which point to vitamin D deficiency as a risk factor for hip fracture. ... > full story
Researchers discover way to block neurodegeneration in an adult form of Fragile X syndrome (December 13, 2010) -- Expression of a toxic RNA that leads to Fragile X Tremor Ataxia Syndrome is modifiable by genetic or pharmacologic means, according to new research. ... > full story
Osteoporosis drug reduces bone loss, tumor size in oral cancer (December 13, 2010) -- A drug currently approved for osteoporosis treatment has been shown to reduce bone loss in a study of mice with oral cancer, suggesting it could serve as an important supplemental therapy in patients with head and neck cancers that erode bone. In this study, the drug treatment also was associated with smaller tumors -- an unexpected result. ... > full story
Children who don’t like fruit and vegetables are 13 times more likely to be constipated (December 13, 2010) -- Primary school children who don’t like eating fruit and vegetables are 13 times more likely to develop functional constipation than children who do. Drinking less than 400ml of fluid a day also significantly increases the risk. ... > full story
On, off, on, off: The circuitry of insulin-releasing cells (December 13, 2010) -- A myriad of inputs can indicate a body's health bombard pancreatic beta cells continuously, and these cells must consider all signals and "decide" when and how much insulin to release to maintain balance in blood sugar, for example. Researchers have now teased out how these cells interpret incoming signals and find that three proteins relay signals similar to an electrical circuit. ... > full story
Stem cell treatment is effective for certain cases of acute leukemia (December 13, 2010) -- Some adults and children with acute leukemia could benefit from certain transplants of blood stem cells, but the benefits are not equal across all cases of leukemia, according to a new review of 15 studies. ... > full story
Apartment-dwelling children in nonsmoking units still exposed (December 13, 2010) -- Children living in apartments are exposed to secondhand smoke even when no one smokes inside their own unit. This study strongly suggests that housing type contributes to children's exposure to tobacco smoke, despite the best intentions of parents. ... > full story
Seizure generation in brain is isolated from surrounding brain regions (December 13, 2010) -- Researchers have found that the part of the brain generating seizures in individuals with epilepsy is functionally isolated from surrounding brain regions. The researchers hope this finding could be a clinical biomarker to help identify individuals with abnormal brain function. ... > full story
Dangers of exertional heat-related injuries highlighted (December 13, 2010) -- A new study examined exertional heat-related injuries that were treated in emergency departments between 1997 and 2006. The study found that an estimated 54,983 exertional heat-related injuries, an average of 5,500 cases each year, were treated in emergency departments during the 10-year study period. ... > full story
Digital video recorders do not change shopping behavior, study suggests (December 13, 2010) -- Research finds that owning a DVR does not influence the demand for advertised products despite its ad-skipping feature. In fact, only a small percentage of ads were fast-forwarded by DVR users who participated in the study, and even that did not have an adverse effect on sales. ... > full story
Whey supplements lower blood pressure: Low-cost protein gets big results in people with elevated blood pressure (December 13, 2010) -- Beverages supplemented by whey-based protein can significantly reduce elevated blood pressure, reducing the risk of stroke and heart disease, a new study has found. ... > full story
Moderate drinking benefits kidney transplant recipients, study suggests (December 13, 2010) -- Moderate alcohol consumption reduces one's risk for diabetes and premature death in the general population. To find if the same were true for stable kidney transplant recipients, researchers studied 600 renal transplant recipients who had their transplant more than one prior and followed them for several years post-transplant. During an average follow-up of seven years, moderate alcohol drinkers were 44% less likely to die than other types of drinkers/nondrinkers. ... > full story
New study raises questions about genetic testing of newborns (December 13, 2010) -- Mandatory genetic testing of infants for rare diseases is creating unexpected upheaval for families whose babies don't get a clean bill of health but who don't show immediate signs of the diseases either, warns a new study. ... > full story
New mechanism links cellular stress and brain damage (December 13, 2010) -- A new study uncovers a mechanism linking a specific type of cellular stress with brain damage similar to that associated with neurodegenerative disease. The research is the first to highlight the significance of the reduction of a specific calcium signal that is directly tied to cell fate. ... > full story
Genetic variants linked to increased risk of common gynecological disease (December 13, 2010) -- Two genetic variants increase the risk of developing endometriosis, a common gynecological disease. The study provides clues to the origin of this often very painful condition, which has a significant impact on the quality of life of sufferers. ... > full story
Improving children's diets using behavior change video games shows promise (December 13, 2010) -- Obesity in youngsters has risen dramatically in recent decades. Fruit and vegetable consumption and increased water intake can lower the risk of obesity, as can increased physical activity, but it is not always easy to convince children to eat better and exercise more. In a new study, researchers found that video games designed to encourage these behaviors were effective. ... > full story
Cellular protein hobbles HIV-1 (December 13, 2010) -- A cellular protein called BST-2 had already been known to interfere with the spread of human immunodeficiency virus type 1 (HIV-1), by inhibiting the release of its progeny particles from infected cells. Now scientists show that in addition, each progeny virion's ability to cause infection is severely impaired. ... > full story
Women smokers shocked into giving up habit by seeing effect on their faces, study finds (December 13, 2010) -- Seeing the effect smoking will have on their faces shocks women into giving up the habit, research from the UK has revealed. ... > full story
How natural drug, abscisic acid, fights inflammation (December 12, 2010) -- Researchers have discovered how abscisic acid, a natural plant hormone with known beneficial properties for the treatment of disease, helps fight inflammation. ... > full story
Synchrotron study shows how nitric oxide kills (December 12, 2010) -- Nitric oxide is a toxic pollutant, but the human body also creates it and uses it to attack invading microbes and parasites. A new study by researchers in the U.S. and the Japan Synchrotron Radiation Research Institute shows how nitric oxide, attacks an important group of proteins critical to cell survival. ... > full story
Lowering the drinking age is unlikely to curb college binge drinking, new study finds (December 12, 2010) -- Although presidents at some US colleges have argued that lowering the minimum legal drinking age could help curb binge drinking on campuses, a new study suggests such a measure would be ineffective. ... > full story
Drug-resistant HIV genes identified (December 12, 2010) -- New, groundbreaking research by a biomedical engineer significantly advances our understanding of HIV and how to treat it. They studied approximately 15,000 different versions of the virus -- something that has never been done before. This information has allowed them to locate the specific genes of the virus that were resistant to the drugs -- knowledge that could ultimately help researchers develop more effective treatments for HIV. ... > full story
Higher mobility while hospitalized linked to reduced stays: A few steps could lead to big gains for hospitalized seniors (December 12, 2010) -- A new study has shown that hospitalized elderly patients who take even short walks around a hospital unit tend to leave the hospital sooner than their more sedentary peers. ... > full story
'White-noise' therapy alone not enough to curb tinnitus (December 12, 2010) -- Tinnitus -- what many think of as "ringing in the ears" -- is the perception of sound without any real acoustic stimulation. Sound masking therapy, a common component of tinnitus treatment, is of uncertain benefit when used on its own, a new evidence review finds. ... > full story
Drug combination shows promise for newly diagnosed blood cancer patients, study finds (December 11, 2010) -- A new three-drug combination used to treat the blood cancer multiple myeloma may be effective as a front-line therapy for newly diagnosed patients, according to a new study. ... > full story
Personalized molecular therapy shows promising results for people with advanced lung cancer (December 11, 2010) -- A new study shows that a combination of epigenetic therapy and molecular targeted therapy has promising results at combating advanced lung cancer according to new research. ... > full story
Computer-based program may help relieve some ADHD symptoms in children (December 11, 2010) -- An intensive, five-week working memory training program shows promise in relieving some of the symptoms of attention deficit hyperactivity disorder in children, a new study suggests. Researchers found significant changes for students who completed the program in areas such as attention, ADHD symptoms, planning and organization, initiating tasks and working memory. ... > full story
When to end a run to avoid injury: Runners change form when running exhausted (December 11, 2010) -- Runners and scientists for years have pondered when runners should end a run in order to avoid injuries. A new study by a physical therapy professor sheds light on this with findings that runners unknowingly change their running form when they run while exhausted. The change in mechanics could be related to an increased risk for injuries. ... > full story
New risk factors for brain metastases in breast cancer patients uncovered (December 11, 2010) -- Nearly one-fifth of all metastatic breast cancer patients develop brain metastases and have significantly shorter overall survival than patients who do not have brain involvement. One way to improve the affected patients' survival might be to prevent the brain metastases from arising in the first place. ... > full story
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