Brightsurf Science News & Current Events

January 31, 2002
Blood sugar control partially a function of beliefs
Young adults who believe they can adhere to the regimen required to control their Type I diabetes have better blood sugar control than those who don't, according to a study appearing in the January issue of Psychosomatic Medicine.

Air pollution may trigger asthma in young athletes
Children who compete in sports in communities with more heavily polluted air are more likely to be diagnosed with asthma than other children, according to research from the Keck School of Medicine of USC.

West Nile Virus heading toward Texas
Texans living near water are accustomed to annual warnings about St.

Fine images of Saturn and Io with VLT NAOS-CONICA
New impressive views of the giant planet Saturn and Io, the volcanic moon of Jupiter, have been obtained with the new NAOS-CONICA Adaptive Optics facility at the ESO Very Large Telescope (VLT) at the Paranal Observatory (Chile).

Fewer clouds found in tropics NASA scientists discover new evidence of climate change
After examining 22 years of satellite measurements, NASA researchers find that more sunlight entered the tropics and more heat escaped to space in the 1990s than in the 1980s.

UCSD biologists discover that machinery for cell division plays dual role in partitioning developing embryo
Biologists at the University of California, San Diego have discovered that the embryonic development of the first axis of an animal-which defines its inner and outer layers and is initiated by the entry of sperm into an egg-is intimately linked to a protein complex long known to be instrumental in cell division.

Urinary incontinence of rural older women dramatically improved by behavioral techniques
Research has shown that rural older women with the common condition of urinary incontinence (UI), who received a behavioral management intervention in their homes, reduced UI severity by a surprising 61%, compared to the control group, whose UI severity increased by 184%.

Tsunami researcher makes big splash with landslide model
Using a 30-meter wave tank to simulate landslides caused by underwater earthquakes, a URI researcher is developing a model to better understand how tsunamis form and move across the oceans.

Depression raises heart failure rate in elderly women
A new study shows that depression is associated with an increased incidence of heart failure in elderly women, but not elderly men.

IUD still on the shelf for most women, survey shows
The vast majority of obstetrician-gynecologists believe modern intrauterine contraceptive devices (IUDs) are safe and effective, yet IUDs are still not widely prescribed due to lingering concerns over the Dalkon Shield controversy from 30 years ago, a University of Rochester Medical Center researcher concludes.

Researchers develop primate stem cells from unfertilized embryo
Researchers from Wake Forest University School of Medicine and Advanced Cell Technology (ACT) of Worcester, Mass. report in today's Science that they have developed a large variety of specialized cell types -- including heart and brain cells -- from embryonic monkey stem cells through a process called parthenogenesis.

Flu shot may help prevent stroke
The flu vaccine may offer significant protection against stroke, especially for people age 75 or younger, French researchers report in the February issue of Stroke: Journal of the American Heart Association.

Deaths at Bristol not explained by low volume of operations
Deaths among young children undergoing heart surgery are lower in hospitals that carry out a high number of these operations, even when data from Bristol Royal Infirmary are excluded, confirms a study in this week's BMJ.

Vibrating computer games should carry health warnings
Prolonged use of vibrating computer games by children may be linked to a condition known as hand-arm vibration syndrome and should carry health warnings, suggest researchers in this week's BMJ.

Rainforests harvest the skies
Upland rainforests harvest vast amounts of water from the clouds in addition to what falls directly as rain, Australian scientists have discovered.

Should women be screened for domestic violence?
Over a third of women attending general practices have experienced physical violence, but doctors and nurses rarely ask about it.

Society for Women's Health Research will be releasing reports related to Heart Month
Throughout February, the Society for Women's Health Research News Service will provide news and additional resources for editors and journalists interested in covering women and heart disease in conjunction with Heart Month.

Stanford researchers home in on Huntington's disease treatment
Stanford University Medical Center researchers have discovered a potential treatment for Huntington's disease.

Fever immediately after heart bypass surgery associated with cognitive decline
While physicians have long noticed and written off the fact that many patients develop fever shortly after coronary bypass surgery, a new Duke University Medical Center study shows that these fevers are associated with measurable cognitive decline six weeks following surgery.

Energy landscape paving: A better way to find a better way
How does one find the shortest, cheapest, quickest way to do anything?

E. coli bacteria make Alzheimer's-linked fibers
Amyloid fibers known to be important in Alzheimer's disease also are produced by E.

Stroke risk linked to calcium in the heart's arteries
In the first study of its kind, researchers show an association between calcium in the coronary arteries and stroke, according to a report in the February issue of Stroke: Journal of the American Heart Association.

Women want to be asked about domestic violence
Doctors may be able to identify women who experience domestic violence by asking them if they are afraid of their partner, finds a study in this week's BMJ.

Mammography screening-the debate continues
Another twist in the controversial debate surrounding the value of mammography screening for breast cancer is presented in a fast-track research letter and on THE LANCET's website this week.

International study highlights underuse of reperfusion therapy for heart-attack patients
Up to a third of patients with a severe heart attack may not be receiving reperfusion therapy, despite the well-known benefits of this treatment strategy, conclude authors of an international study in this week's issue of THE LANCET.

Outdoor team sports in high-ozone environments could triple asthma risk in children
A US study in this week's issue of THE LANCET highlights how children playing outdoor team sports in areas of high ozone concentration could be three times more likely to develop asthma than children who do not take part in sporting activities.

Genes are of little importance in rheumatoid arthritis
Researchers in Denmark surveyed over 37,000 twins about rheumatic diseases.

University of Pittsburgh research uncovers new mechanism that may be the cause of mild cognitive impairment
A study out of the University of Pittsburgh has uncovered a completely different mechanism behind mild cognitive impairment, an increasingly common memory problem that is thought to be the precursor to Alzheimer's disease.

Early promise of non-invasive test for colorectal cancer
A fast-track research letter in this week's issue of THE LANCET describes how the detection of a specific mutation in faecal DNA could be a reliable method for identifying a subset of proximal colorectal cancers.

Deep sea creatures collected for studies
Sea animals that live deep in the ocean near hot water vents, and rarely brought to the surface for study, were recently brought to University of California, Santa Barbara by James Childress, a professor of biology and an authority on deep-sea organisms.

Tidying up transcription factors
Two Rockefeller University scientists are taking a step back to ask whether there might be a better way to organize the current thinking about a particularly important class of proteins inherent to all living cells.

Pheromones control sex discrimination in mice
HHMI researchers have found the first molecular clues about how a group of poorly understood chemical signals, called pheromones, enable mice to distinguish male from female.

Increases in wives' income contributions affect psychological well-being of husbands
Being the main breadwinner still seems to carry an important distinction for husbands and their sense of well-being, says a Penn State researcher.

Cells on the verge of suicide
A developing cell in the human body sits on the edge of death.

Making plants better lovers: Scientists find gene responsible for reproductive success in plants
The birds do it, the bees do it, and now researchers have discovered how plants can do it better.

Road skills hint at 'motion blindness' of Alzheimer's
Doctors have added to the evidence that patients with Alzheimer's disease lose their way not simply because their memory is failing but because they are subject to a unique form of brain damage that causes symptoms doctors call
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