ScienceDaily Health Headlines
for Thursday, July 29, 2010
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Diabetes care: Implanted glucose sensor works for more than a year in animal studies (July 29, 2010) -- Bioengineers have developed an implantable glucose sensor and wireless telemetry system that continuously monitors tissue glucose and transmits the information to an external receiver. A new article describes the use of this glucose-sensing device as an implant in animals for over one year. After human clinical trials and FDA approval, the device may be useful to people with diabetes as an alternative to finger sticking and short-term, needle-like glucose sensors that have to be replaced every three to seven days. ... > full story
Weight issues move up need for walkers, canes, other devices (July 29, 2010) -- Obese older adults are more likely to use walkers, canes and other mobility devices at a younger age, and may run the risk of using them incorrectly, according to new research. ... > full story
Talking touchscreens aid patients (July 29, 2010) -- Multimedia talking touchscreens, housed in computer kiosks at clinics and hospitals, are helping researchers and clinicians at local health care centers enhance patient-centered care for patients with diverse language, literacy and computer skills. ... > full story
Penalty points system driver's license reduces accidents on a temporary basis, Spanish study finds (July 29, 2010) -- Researchers have determined that after the implementation in 2006 of the penalty points system driver's license in Spain, there has been a reduction of 12.6 percent in the number of deaths in highway accidents. However, the effect on fatal accidents lasted only two years. ... > full story
Sirtuin1 may boost memory and learning ability; Discovery could lead to new drugs to fight Alzheimer's, other neurological diseases (July 29, 2010) -- The same molecular mechanism that increases life span through calorie restriction may help boost memory and brainpower, researchers report. ... > full story
Millions of Americans in early stages of kidney disease need stroke monitoring, research finds (July 29, 2010) -- Millions of Americans in the early stages of chronic kidney disease are at an increased risk of having atrial fibrillation -- a major risk factor for stroke -- according to new research. ... > full story
Mysterious workings of cholera bacteria uncovered (July 28, 2010) -- Researchers have found that an enzyme in the bacteria that causes cholera uses a previously unknown mechanism in providing the bacteria with energy. Because the enzyme is not found in most other organisms, including humans, the finding offers insights into how drugs might be created to kill the bacteria without harming humans. ... > full story
Novel algorithm cuts the risks of choosing ineffectual team members (July 28, 2010) -- Choosing team members is a risky business whether the field is world-class soccer management or car manufacture. Researchers describe a novel algorithm that can cut the risks associated with choosing ineffectual members and so bolster success in any field involving teamwork. ... > full story
Huntington's disease discovery provides new hope for treatment (July 28, 2010) -- Australian scientists have identified the behavior of the mutant protein "huntingtin" which leads to the fatal Huntington's disease providing potential targets to treat the disease, a new study reveals. ... > full story
Multiple sclerosis: Antihypertensive drug ameliorates inflammation in the brain (July 28, 2010) -- Researchers have discovered a new signaling pathway of brain cells that explains how widely used antihypertensive drugs could keep inflammation in multiple sclerosis in check. ... > full story
Why fad diets work well for some, but not others (July 28, 2010) -- Using fruit flies, researchers have found that genes interacting with diet, rather than diet alone, are the main cause of variation in metabolic traits, such as body weight. This helps explain why some diets work better for some people than others, and suggests that future diets should be tailored to an individual's genes rather than to physical appearance. ... > full story
Morphine blocks tumor growth, study suggests (July 28, 2010) -- Current research suggests that taking morphine can block new blood vessel and tumor growth. ... > full story
Early repolarization pattern is associated with cardiac risk among the middle aged (July 28, 2010) -- The prevalence of early repolarization pattern among 35- to 54-year-olds is higher than previously thought, and has a clear link to an increased risk of cardiac death, especially among men, according to a new study. ... > full story
Background music can impair performance, cites new study (July 28, 2010) -- For decades research has shown that listening to music alleviates anxiety and depression, enhances mood, and can increase cognitive functioning, such as spatial awareness. However, until now, research has not addressed how we listen to music. For instance, is the cognitive benefit still the same if we listen to music whilst performing a task, rather than before it? Further, how does our preference for a particular type of music affect performance? A new study shows that listening to music that one likes whilst performing a serial recall task does not help performance any more than listening to music one does not enjoy. ... > full story
Leap forward in efforts to develop treatments for Huntington's disease (July 28, 2010) -- Research reveals that an enzyme linked with multiple disorders -- including stroke, cancer and rheumatoid arthritis -- is also involved in the generation of toxic protein fragments in Huntington's disease. ... > full story
Where do the drugs go? (July 28, 2010) -- Drug delivery inside the body is a complicated process. Compounds travel through a maze of aqueous solutions, lipid membranes, and barriers between the blood and tissues like the brain. New research presents a theoretical model that accurately predicts the hydration free energy (HFE) of a wide variety of organic compounds. ... > full story
People confront prejudice only when they believe others' personalities can change, study finds (July 28, 2010) -- Confronting someone who makes a prejudiced remark can be a good thing -- but not everyone does it. Researchers studied how and when targets of bias will speak up, and found that they're more likely to do so if they hold a particular belief: that people's personalities can change. ... > full story
Alcohol reduces the severity of rheumatoid arthritis, study finds (July 28, 2010) -- Drinking alcohol may reduce the severity of rheumatoid arthritis, according to new research. It is the first time that this effect has been shown in humans. The study also finds that alcohol consumption reduces the risk of developing the disease, confirming the results of previous studies. ... > full story
Relationships improve your odds of survival by 50 percent, research finds (July 28, 2010) -- In a new study, researchers report that social connections -- friends, family, neighbors or colleagues -- improve our odds of survival by 50 percent. ... > full story
Genetic risk score associated with breast cancer risk; predictive of type of disease (July 28, 2010) -- Women with higher risk scores that consisted of having certain genetic variants most strongly linked to breast cancer had an associated higher risk of breast cancer, with these scores also highly predictive of estrogen receptor-positive disease, according to a new study. ... > full story
Many knee and hip replacement patients experience weight decrease after surgery (July 28, 2010) -- Patients often exhibit a significant decrease in weight and body mass index (BMI) after undergoing knee or hip replacement surgery (arthroplasty). ... > full story
Delirium in older patients associated with greater risk of death, dementia and institutionalization (July 28, 2010) -- A review and analysis of previous research indicates that delirium in elderly patients is associated with an increased risk of death, dementia, and institutionalization, independent of age, co-existing illnesses or illness severity, according to a new study. ... > full story
Late preterm births associated with increased risk of respiratory illnesses (July 28, 2010) -- An analysis of more than 200,000 deliveries finds that compared to infants born at full term, those born between 34 weeks and 37 weeks are more likely to have severe respiratory illness, and this risk decreases with each added week of gestational age during the late preterm period, according to a new study. ... > full story
Obesity rise linked to disability increase among elderly in Latin America and the Caribbean (July 28, 2010) -- According to a new study, rising obesity rates in Latin America and the Caribbean are making elderly people there more likely to suffer from disabilities. ... > full story
Not as Web savvy as you think? Young people give Google, other top brand search results too much credibility, study finds (July 28, 2010) -- College students trust Google so much that a study has found many students only click on websites that turn up at the top of Google searches to complete assigned tasks. If they don't use Google, researchers found that students trust other brand-name search engines and brand-name websites to lead them to information. ... > full story
Biomarkers found for postmenopausal cardiovascular disease (July 28, 2010) -- Analysis of blood protein data from the Women's Health Initiative cohorts has revealed new biomarkers for stroke and coronary heart disease. Research found that beta-2 microglobulin levels were significantly elevated in postmenopausal women with CHD, and insulin-like growth factor binding protein 4 was strongly associated with stroke. ... > full story
Adherence to recommended exercise improves physical function, reduces pain for osteoarthritis patients (July 28, 2010) -- Patients with osteoarthritis (OA) of the knee or hip who adhere to the recommended home physical therapy exercises and physically active lifestyle experience more improvement in pain, physical function, and self-perceived effect according to a study from researchers in The Netherlands. Research also shows that maintenance of exercise behavior and physically active lifestyle after discharge of physical therapy improves the long-term effectiveness of exercise therapy in patients with knee or hip OA. ... > full story
The more frequently you log on, the more weight you can keep off, study finds (July 28, 2010) -- The more people used an interactive weight management website, the more weight loss they maintained, according to a new study. ... > full story
Many people can and do lead because they want to help others, research suggests (July 28, 2010) -- In an era when the motives and ambitions of leaders such as Barack Obama, Nicolas Sarkozy and David Cameron are under constant public and media scrutiny, new research conducted in the UK has suggested that many people can and do lead because they want to help others. ... > full story
Nearly one in five Californians report need for mental health services, study finds (July 28, 2010) -- A comprehensive new study of mental health status and use of mental health services in California found that nearly 1 in 5 adults in California, about 4.9 million persons, said they needed help for a mental or emotional health problem. Additionally, approximately 1 in 25, or over one million Californians, reported symptoms associated with serious psychological distress, which includes the most serious diagnosable mental health disorders. ... > full story
Key milestone towards the development of a new clinically useful antibiotic (July 27, 2010) -- Scientists have identified the genes necessary for making a highly potent and clinically unexploited antibiotic in the fight against multi-resistant pathogens. ... > full story
Body mass index at age 17 within the normal range can predict future risk for hypertension in later life (July 27, 2010) -- How might teenage boys and girls with normal blood pressure might progress into becoming young adults with hypertension? Boys are three to four times more likely to develop hypertension as young adults and the higher the blood pressure value, even within the normal range, the higher is the risk for becoming hypertensive adults, according to new research. ... > full story
Who gives a tweet? Nuanced feedback for microbloggers (July 27, 2010) -- Researchers are launching a study to understand what aspects of Twitter content are considered valuable, and how that impacts presentation and perception of online identity. ... > full story
ADHD, conduct disorder and smoking most strongly related to dropping out of high school (July 27, 2010) -- Teens with attention-deficit/hyperactivity disorder (ADHD) -- the most common childhood psychiatric condition in the United States -- are less likely to finish high school on time than students with other mental-health disorders that often are considered more serious, a large national study has found. ... > full story
Early predictors of metabolic syndrome in healthy 7-9 year-olds identified (July 27, 2010) -- New research finds evidence supporting relationships seen in adolescents between insulin sensitivity and fatty liver, belly fat, and total body fat and identifies additional potential early markers of insulin resistance and metabolic syndrome in healthy 7-9 year-olds, including fat in muscle cells, blood pressure, physical activity, and birth weight. ... > full story
Many HIV-exposed infants in African countries not receiving medication to help prevent HIV (July 27, 2010) -- Only about half of infants born to HIV-infected mothers in some African countries receive a minimum preventive dose of the drug nevirapine to help reduce the risk of mother-to-child HIV transmission, according to a new study. ... > full story
Calcium connections: Basic pathway for maintaining cell's fuel stores (July 27, 2010) -- Investigators have described a previously unknown biological mechanism in cells that prevents them from cannibalizing themselves for fuel. The mechanism involves the fuel used by cells under normal conditions and relies on an ongoing transfer of calcium between two cell components via an ion channel. Without this transfer, cells start consuming themselves as a way of to get enough energy. ... > full story
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