Brightsurf Science News & Current Events

June 24, 2012
Common diabetes drugs associated with increased risk of death
Compared to another popular drug, three widely used diabetes medications are associated with a greater risk of death, a large new analysis finds.

Funding for teacher classroom management study
Disruptive behavior in the classroom has an adverse effect on both teachers and pupils.

Liraglutide with insulin improves poorly controlled Type 1 diabetes
Obese adults with poorly controlled Type 1 diabetes can better control their blood sugar by adding liraglutide, a Type 2 diabetes drug, to their insulin therapy, a new study finds.

The price tag on a patient-centered medical home
The patient-centered medical home is a concept at the heart of many health care reform models that aim to both improve the quality of care and reduce wasteful spending.

Experimental drug improves muscle strength among male cancer patients
An experimental medication safely increases muscle strength and physical functioning among cancer patients with low testosterone levels, a new drug study finds.

Reactive hypoglycemia symptoms improve with sitagliptin
The diabetes drug sitagliptin appears to reduce the severity of reactive hypoglycemia, a form of low blood sugar that occurs after a meal, a preliminary study finds.

Boosting blood system protein complex protects against radiation toxicity
New research in Nature Medicine shows that boosting a protein pathway in the body's blood making system protects mice from otherwise fatal radiation poisoning.

Physical fitness may improve survival among diabetes patients with heart dysfunction
Being physically fit may improve survival rates among diabetes patients with a particular type of heart abnormality, a new study determines.

Higher medical home performance rating of community health centers linked with higher operating cost
Federally funded community health centers with higher patient-centered medical home ratings on measures such as quality improvement had higher operating costs, according to a study appearing in JAMA.

Gut microbes battle a common set of viruses shared by global populations
The human gut is home to a teeming ecosystem of microbes that is intimately involved in both human health and disease.

Discovery of material with amazing properties
Normally a material can be either magnetically or electrically polarized, but not both.

Gene mutations cause massive brain asymmetry
In a paper published in the June 24, 2012, online issue of Nature Genetics, a team of doctors and scientists, led by researchers at the University of California, San Diego School of Medicine and the Howard Hughes Medical Institute, say de novo somatic mutations in a trio of genes that help regulate cell size and proliferation are likely culprits for causing hemimegalencephaly, though perhaps not the only ones.

Genome-wide analysis shows previously undetected abnormalities in parents of affected children
The use of genome-wide array analysis in parents whose children are suspected of having a genetic disease shows that the parents frequently also have previously undetected genetic abnormalities, Dutch researchers have found.

Faster, cheaper gas and liquid separation using custom designed and built mesoscopic structures
In what may prove to be a significant boon for industry, separating mixtures of liquids or gasses has just become considerably easier.

Blood-brain barrier building blocks forged from human stem cells
The blood-brain barrier may be poised to give up some of its secrets as researchers at the University of Wisconsin-Madison have created in the laboratory dish the cells that make up the brain's protective barrier.

Exome sequencing gives cheaper, faster diagnosis in heterogeneous disease
The first report of the diagnostic use of the technique of exome sequencing, where short sequences of DNA are analysed, shows that it can give good results at low cost.

New drug offers improved progression-free survival for melanoma patients
A new drug, dabrafenib, shows improvements over chemotherapy for patients suffering from a form of advanced skin cancer, according to the results of a phase III study published Online First in the Lancet.

Significant sea-level rise in a 2-degree warming world
Even if global warming is limited to two degrees Celsius, global-mean sea level could continue to rise, reaching between 1.5 and four meters above present-day levels by the year 2300, with the best estimate being at 2.7 meters, according to a study just published in Nature Climate Change.

Learn that tune while fast asleep
Want to nail that tune that you've practiced and practiced?

Ratio of appetite-regulating hormones marker of successful dieters
A pre-diet measurement of two hormones related to weight regulation can help predict which dieters will be more likely to maintain their weight loss and who will not, according to a new study.

Flower power may be answer to itchy problem
Sunflowers may hold the solution to a problem which gets under the skin of millions of Australians every year.

Pitt develops biodegradable artery graft to enhance bypass surgeries
With the University of Pittsburgh's development of a cell-free, biodegradable artery graft comes a potentially transformative change in coronary artery bypass surgeries: Within 90 days after surgery, the patient will have a regenerated artery with no trace of synthetic graft materials left in the body.

Risk score could lead to better diagnosis of the metabolic syndrome in children
Researchers have developed a new scoring system that may better identify adolescents with the metabolic syndrome, a group at increased risk of later developing Type 2 diabetes and heart disease.

Aspirin may not prevent blood clots that cause heart attacks and strokes among diabetics
Many patients with Type 2 diabetes may be aspirin resistant.

Type 2 diabetes cured by weight loss surgery returns in one-fifth of patients
A new study shows that although gastric bypass surgery reverses Type 2 diabetes in a large percentage of obese patients, the disease recurs in about 21 percent of them within three to five years.

Offenders need integrated, on-going, mental health care
Offenders with mental health problems need improved and on-going access to health care, according to the first study to systematically examine healthcare received by offenders across the criminal justice system.

Better looking birds have more help at home with their chicks
In choosing a mate both males and females rely on visual cues to determine which potential partner will supply the best genes, best nesting site, best territory, and best parenting skills.

Secondhand smoke is linked to Type 2 diabetes and obesity
Adults who are exposed to secondhand smoke have higher rates of obesity and Type 2 diabetes than do nonsmokers without environmental exposure to tobacco smoke, a new study shows.

Do you always have room for dessert? Blame ghrelin, study authors say
A new study suggests that the appetite-inducing hormone ghrelin increases the incentive for humans to eat high-calorie foods, even on a full stomach.

Neurons that control overeating also drive appetite for cocaine
Researchers at Yale School of Medicine have zeroed in on a set of neurons in the part of the brain that controls hunger, and found that these neurons are not only associated with overeating, but also linked to non-food associated behaviors, like novelty-seeking and drug addiction.

Brain structure helps guide behavior by anticipating changing demands
A study from Massachusetts General Hospital researchers finds that a structure deep within the brain, believed to play an important role in regulating conscious control of goal-directed behavior, helps to optimize behavioral responses by predicting how difficult upcoming tasks will be.

Climate change and the South Asian summer monsoon
The vagaries of South Asian summer monsoon rainfall impact the lives of more than one billion people.

Experimental insulin drug prevents low blood sugar
An experimental insulin drug prevented low blood sugar among diabetic patients more often than a popular drug on the market, a new study finds.

Binge eating improves with deep brain stimulation surgery
Deep brain stimulation reduces binge eating in mice, suggesting that this surgery, which is approved for treatment of certain neurologic and psychiatric disorders, may also be an effective therapy for obesity.
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