Brightsurf Science News & Current Events

June 11, 2007
CPAP improves sleep in patients with Alzheimer's disease, sleep-related breathing disorder
CPAP has been found to reduce the amount of time spent awake during the night, increase the time spent in deeper levels of sleep, and improve oxygenation in patients with both Alzheimer's disease and a sleep-related breathing disorder.

Avian influenza on people's minds
Researchers at the Food Policy Institute at the Rutgers New Jersey Agricultural Experiment Station have conducted a nationwide survey of public knowledge, attitudes, intentions and behaviors related to the threat of highly pathogenic avian influenza.

Diabetes associated with decreases in life expectancy and number of years free of heart disease
Men and women with diabetes at age 50 and older appear not to live as long overall, or have as many years without cardiovascular disease, than individuals without diabetes, according to a report in the June 11 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Making new teeth
A network comprising Activin, BMP, FGF and Follistatin regulate incisor stem cell proliferation in the niche and account for asymmetric organogenesis.

Genetic defect links respiratory disease and congenital heart disease
The same genetic defect that causes a rare respiratory disease may also lead to some types of congenital heart disease, according to a study from the University of North Carolina at Chapel Hill School of Medicine.

Newly discovered antibody may be body's natural defense against Alzheimer's
In an important advance in the battle against Alzheimer's disease, physician-scientists at NewYork-Presbyterian Hospital/Weill Cornell Medical Center have identified naturally occurring antibodies in human blood that may help to defend against this form of dementia as well as other neurodegenerative diseases.

OSA symptoms more common among African-American women than Caucasians
In a study that examined the relationship between race, menopausal status and symptoms of obstructive sleep apnea (OSA), middle-aged African-American women were found to be more likely to experience OSA symptoms than their Caucasian counterparts.

Undergraduate research shows leaderless honeybee organizing
A new finding by an undergraduate scientist and a senior bee researcher gives new insight on the organization of honeybee colonies, which exhibit behavior rivaling human cultures in social complexity.

Now, self-healing materials can mimic human skin, healing again and again
The next generation of self-healing materials, invented by researchers at the University of Illinois, mimics human skin by healing itself time after time.

Aerobic exercise is best fitness program for patients with stable heart failure
Countless exercise programs claim to trim the thighs, abs and buttocks, but how many offer to reshape a flabby heart?

Tougher gun show controls in California slash sales of weapons linked to crime
California has succeeded in drastically reducing anonymous and undocumented gun sales and sales of military-style weapons by introducing tighter controls to gun shows reveals a study in the June issue of Injury Prevention.

Breakthrough developments in rheumatoid arthritis reported
Dr. Gregersen has finally closed the circle between key genes identified in his laboratory at the Robert S.

UGA study finds that weaker nations prevail in 39 percent of military conflicts
Despite overwhelming military superiority, the world's most powerful nations failed to achieve their objectives in 39 percent of their military operations since World War II, according to a new University of Georgia study.

A daily dose of pistachios offers potential heart health benefits
Adding to a growing body of evidence, new research shows that a daily dose of pistachios may offer protective benefits against cardiovascular disease, according to a study published in the Volume 26, No.

Healthy children of a lower socioeconomic class sleep worse than those of middle class
Children from a lower socioeconomic environment have worse sleeping patterns than children from middle class status.

Vets seeing more horses with nutritional issues this year
While much of the Midwest has recovered from the drought that parched the area last year, horses are continuing to experience effects from the hot dry summer of 2006.

Studies link insurance coverage to more advanced cancers
Two new studies find the uninsured and people with certain types of public health insurance are more likely to be diagnosed with more advanced cancer compared to those with private insurance.

The woes of Kilimanjaro: Don't blame global warming
Two scientists writing in a new magazine article say that global warming has nothing to do with the decline of ice atop Mount Kilimanjaro, and using the mountain in northern Tanzania as a

Call of the child
Pup calls produce quicker and larger neural responses, which convey more information for pup call detection and discrimination, in the auditory cortex of mother mice compared with virgin female mice.

Food safety begins as vegetables grow
Monitoring vegetables while they are growing is crucial in the prevention of contamination of fresh produce with harmful bacteria such as E. coli and Salmonella, say plant pathologists who are members of the American Phytopathological Society.

Cancer stem cells can go it alone
At the heart of most, if not all cancers, lie a handful of wayward stem cells that feed the ever growing tumor mass, but their scarcity make it difficult for scientists to study them.

Split the difference: Pill-splitting study looks at cost-saving step that could be used by millions
Slicing certain pills in half could slice a hefty amount off of Americas prescription drug costs.

'Lucky 13' as new gene discovery offers further hope for childhood blindness
An international research team has discovered a gene that, when mutated, causes one of the most common forms of inherited blindness in babies.

Patient care improves when medical residents work fewer hours
When medical residents work shorter hours, fewer patients are transferred to intensive care and there are not as many interventions by pharmacists to avoid errors in medication.

Studies identify interactions between heart disease, kidney disease
Anemia and other conditions related to chronic kidney disease are independently associated with the risk of cardiovascular disease; conversely, heart disease is associated with a decline in kidney function and the development of kidney disease, according to two reports in the June 11 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Addressing multiple unhealthy behaviors at once may be more effective than sequential approach
Physicians trying to help patients change more than one behavioral risk factor may have more success approaching several topics at once rather than addressing them separately over time, according to a report in the June 11 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Targeted HIV testing more effective than CDC mass testing proposal
A targeted campaign of testing and counseling aimed at those who are at high risk for HIV would be more effective than the mass patient screening proposed by the Centers for Disease Control and Prevention, according to an analysis by David Holtgrave, Ph.D., an expert on HIV prevention at the Johns Hopkins Bloomberg School of Public Health.

Quality measurement, improvement of surgical care examined in the June issue of JACS
The Journal of the American College of Surgeons devotes its June issue to a quality measurement program called the American College of Surgeons National Surgical Quality Improvement Program.

Premature infants, toddlers more likely to have a sleep-related breathing disorder
A sleep-related breathing disorder among infants and toddlers born prematurely occurs earlier than expected in this population, and at higher rates than among full-term infants.

Sleep deprivation affects airport baggage screeners' ability to detect rare targets
Sleep deprivation can impair the ability of airport baggage screeners to visually search for and detect infrequently occurring or low prevalence targets that may ultimately pose a threat to an airline and its passengers.

Insomniacs pay higher health-care costs than noninsomniacs
The health-care costs of patients with insomnia are higher than for those without insomnia.

Sensitivity to diverse range of chemotherapeutic drugs linked to common pathway
Using a functional genomic screen, scientists have defined elements that impact the responsiveness of cancer cells to drugs commonly used as anticancer therapeutics.

U-M researchers discover gene switched off in cancer can be turned on
A gene implicated in the development of cancer cells can be switched on using drugs, report researchers from the University of Michigan Comprehensive Cancer Center.

Night shift nurses more likely to have poor sleep habits
Nurses who work the night shift are more likely to have poor sleep habits, a practice that can increase the likelihood of committing serious errors that can put the safety of themselves as well as their patients at risk.

Swift system for heart attack care improves treatment, cuts costs
Heart attack patients received life-saving care up to an hour sooner after an Indiana hospital implemented a novel protocol to rapidly activate the cardiac catheterization lab, researchers reported in Circulation: Journal of the American Heart Association.

Researchers identify fifth gene responsible for Joubert syndrome
An international study by researchers at Seattle Children's Hospital Research Institute, the University of Washington School of Medicine and Radboud University in Nijmegen, the Netherlands, has identified a new genetic cause for Joubert syndrome.

Bird song study gives clues to human stuttering
Researchers at the Methodist Neurological Institute in Houston and Weill Cornell Medical College in New York City used functional MRI to determine that songbirds have a pronounced right-brain response to the sound of songs, establishing a foundational study for future research on songbird models of speech disorders such as stuttering, as reported today in Proceedings of the National Academy of Sciences.

Salvage logging, replanting increased biscuit fire severity
The Biscuit Fire of 2002 burned more severely in areas that had been salvage logged and replanted, compared to similar areas that were also burned in a 1987 fire but had been left to regenerate naturally, a new Oregon State University Study concludes.

Blood pressure drop during bypass surgery associated with increased risk of cognitive decline
Patients whose mean arterial blood pressure drops during bypass surgery may be at risk for early difficulties in thinking, learning and memory, according to an article posted online today that will appear in the August 2007 print issue of Archives of Neurology, one of the JAMA/Archives journals.

Cell Press announces new partnership with the American Society of Human Genetics
Cell Press has been chosen by the American Society of Human Genetics to publish its premier monthly journal from January 2008.

ChemGenex announces publication confirming activity of Ceflatonin in T315I-Positive CML
A report in the Nature publication Leukemia confirms the positive clinical activity of ChemGenex's lead compound, Ceflatonin against Gleevec-resistant, chronic myeloid leukemia (CML) associated with the T315I Bcr-Abl mutation.

Migration alert -- How tumor cells home in on the lymphatic system
A Swiss-based research team has published a new mechanistic description of how tumor cells migrate to the lymphatic system in the early stages of tumor metastasis.

Controversial US strategy on HIV testing; ethnic disparities in diabetes care persist
CDC's recommended opt-out HIV testing strategy may not perform as well as more targeted counseling and testing.

Distress-prone people more likely to develop memory problems
People who are easily distressed and have more negative emotions are more likely to develop memory problems than more easygoing people, according to a study published in the June 12, 2007, issue of Neurology, the scientific journal of the American Academy of Neurology.

First study of gun shows finds California laws reduce illegal gun purchases
First study of gun shows finds California laws reduce illegal gun purchases.

Recurrence of sudden infant death syndrome has been overestimated
Recurrence of sudden infant death syndrome (SIDS) is rare and has been overestimated by studies which have tried to quantify it, says a review published online ahead of print in Archives of Disease in Childhood.

Researchers shed light on mechanism of action used by anti-cancer drug
Virginia Commonwealth University Massey Cancer Center researchers have uncovered a new mechanism of action of the anti-cancer drug sorafenib, which could stimulate the development of novel regimens in which it is combined with other molecularly targeted agents for patients with blood cancers and solid tumors.

Children with sleep disorder symptoms are more likely to have trouble academically
Students with symptoms of sleep disorders are more likely to receive bad grades in classes such as math, reading and writing than peers without symptoms of sleep disorders.

UCLA research implicates myelin in early evolution of Huntington's disease
New research suggests that a breakdown of the myelin that develops early in the formation of the brain may lead to the symptoms of Huntington's disease, a rare, inherited neurological disorder.

Breastfeeding may help protect against a childhood sleep-related breathing disorder
Breastfeeding may provide long-term protection against the incidence or severity of a childhood sleep-related breathing disorder.

Tumor vessels identified by unique molecular markers
Results from a new study have made it easier for scientists to distinguish between growing blood vessels in healthy tissues and those that are associated with tumors.

Poker match pits an vs. machine in world first match
A poker-playing computer program developed at the University of Alberta will battle against a pair of poker kings in a $50,000 contest this summer.

HU Ph.D. student wins award for 'natural protection' to reduce spread of Alzheimer's disease
Although numerous drugs have been developed over the years to alleviate the symptoms of Alzheimer's disease, there is still no real cure to halt this progressive, neurodegenerative disorder that causes premature death of nerve cells in the deep brain nuclei, leading to dementia and death.

Researchers examine carbon capture and storage to combat global warming
While solar power and hybrid cars have become popular symbols of green technology, Stanford researchers are exploring another path for cutting emissions of carbon dioxide, the leading greenhouse gas that causes global warming.

At petting zoos, simple disease prevention guidelines frequently ignored
A new study shows that simple guidelines to protect petting zoo patrons from disease-causing germs found in the zoo are frequently not followed, thus allowing the risks of contracting serious intestinal illnesses to persist.

Methodist, University of Houston, Cornell combine biomedical imaging expertise
The Methodist Hospital, University of Houston and Weill Cornell Medical College of Cornell University are combining their expertise in biomedical imaging to advance discoveries in this growing field of biomedical science and its clinical applications.

Many doctors don't use patients' names on first visit
Doctors do not address patients by name in half of first-time visits, even though nearly all patients want this personal greeting, according to new research from Northwestern University's Feinberg School of Medicine.

NASA funds Florida Tech associate professor for extragalactic research
Perlman will conduct observational and theoretical work on jets, which are energetic outflows from the centers of some bright galaxies.

News briefs from the journal Chest, June 2007
Here are selected studies from the journal Chest, the peer-reviewed journal of the American College of Chest Physicians.

Sleep Slide-Rule improves children's understanding of the importance of sleep
The Sleep-Side Rule is found to be an effective classroom tool that improves children's understanding of the relationship between age and sleep need.

ASU research shows connection between testosterone, dietary antioxidants and bird coloration
Mom may have been right all along, especially when we were hormone-raging teenagers: Eat your veggies and good things will happen.

High arterial pulse pressure associated with high-tension open-angle glaucoma
Individuals with a high pulse pressure (the difference between the systolic [top number] and diastolic [bottom number] blood pressure), appear to have an increased risk for high-tension open-angle glaucoma, according to a report in the June issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

Antibiotic use in infants linked to asthma
Children receiving antibiotics in the first year of life are shown at greater risk for developing asthma by age 7 than those not receiving antibiotics.

Carnegie Mellon scientists devise method to increase kidney transplants
Computer scientists at Carnegie Mellon University have developed a new computerized method for matching living kidney donors with kidney disease patients that can increase the number of kidney transplants -- and save lives.

Military service doubles suicide risk
Former military personnel are twice as likely to kill themselves as people who have not seen combat reports a study in the July issue of Journal of Epidemiology and Community Health.

Rising skin cancer rates are more likely to affect wealthy people, says 12-year review
Wealthy people are more than twice as likely to suffer from malignant melanoma, the most serious skin cancer, than people living in less affluent areas.

Survey: Most patients want to shake hands with their physicians
Most patients want physicians to shake their hands when they first meet, and about half want their first names used in greetings, according to a report in the June 11 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Sleep problems may affect a person's diet
Sleep problems can influence a person's diet. Those who don't get enough sleep are less likely to cook their own meals and, instead, opt to eat fast food.

Sleep deprivation affects eye-steering coordination when driving
A single night of sleep deprivation can impact a person's ability to coordinate eye movements with steering.

Gabapentin shown effective for fibromyalgia pain
New research supported by the National Institutes of Health's National Institute of Arthritis and Musculoskeletal and Skin Diseases shows that the anticonvulsant medication gabapentin, which is used for certain types of seizures, can be an effective treatment for the pain and other symptoms associated with the common, often hard-to-treat chronic pain disorder, fibromyalgia.

Mother mice more attuned to pup sounds than others
Researchers have shown for the first time that the behavioral context in which communication sounds are heard affects the brain's ability to detect, discriminate and ultimately respond to them.

Research without borders: Head of Santa Fe Institute to address NSF
Geoffrey West, president of the Santa Fe Institute, will speak as a National Science Foundation Distinguished Lecturer on June 12-13, 2007, giving two lectures.

Counter advertising at the cinema reduces appeal of smoking only to nonsmokers
Screening an anti-smoking advertisement before movies which glamorise smoking reduces the appeal of smoking images in movies only to young nonsmokers, according to a study in the June issue of Tobacco Control.

Researchers shed light on shrinking of chromosomes
Now researchers from the European Molecular Biology Laboratory for the first time tracked chromosome condensation in mammalian cells over the entire course of cell division.

Light activity can help avoid chronic disease
Reducing time spent sitting and increasing light physical activity has important health benefits that may reduce the risk of diabetes and other cardiovascular diseases.
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