Brightsurf Science News & Current Events

August 14, 2006
US satellite protection scheme could affect global communications
A proposed US system to protect satellites from solar storms or high-altitude nuclear detonations could cause side-effects that lead to radio communication blackouts, according to new research.

Two-thirds of pregnant women with depression aren't getting treatment for it
The majority of pregnant women who have full-blown major depression aren't getting any treatment for the condition, and neither are most pregnant women who have signs of milder depression or depression risk, a new study finds.

Kids with OCD bullied more than others, study shows
More than one-quarter of the children with OCD who researchers studied reported chronic bullying as a problem, according to University of Florida researchers.

Bacteria can help predict ocean change
Bacteria can serve as markers of ocean conditions, say USC and Columbia University marine biologists.

More fires, droughts and floods predicted
As temperatures rise with global warming, an increased risk of forest fires, droughts and flooding is predicted for the next 200 years by climate scientists from the University of Bristol, UK.

Where are medical graduates practising and why?
What influences new physicians to stay and practice in Canada and in the province where they studied?

When the doctor is out, nurses next line of defense for heart patients
According to a landmark study by researchers at Mount Sinai School of Medicine, heart failure (HF) patients who received routine follow-up by a nurse in addition to visits to a physician had fewer hospitalizations and functioned better than patients who received only usual care.

Medication errors affect children's leukemia treatment
Almost one in five children treated for acute lymphoblastic leukemia (ALL) does not receive the appropriate chemotherapy regimen due to medication errors, according to a new study.

Carnegie Mellon, Ohio State get grant to study link between antidepressants and suicidality in teens
An interdisciplinary team of researchers from Carnegie Mellon University and the Ohio State University has received a five-year, $1.2 million grant from the National Institute of Mental Health to investigate the link between antidepressants and suicidality -- including suicidal thoughts, attempts and suicide deaths.

Embedded Reporting influences war coverage, study shows
A Penn State study shows that the use of embedded reporters by major newspapers did affect the number and the type of stories published, resulting in more articles about the US soldiers' personal lives and fewer articles about the impact of the war on Iraqi civilians.

Unravelling our cosmic ancestry
A conference,

Alternative kidney test reveals hidden health risks
Elevated blood levels of the protein cystatin C accurately predict higher risk of chronic kidney disease, cardiovascular disease, and death among elderly people with no known kidney problems - risks that the standard kidney function test, which measures the protein creatinine, misses entirely, according to a study led by a researcher at the San Francisco VA Medical Center.

Ph.D. students get clinical training, focus on translational research
Five students in the Wake Forest University School of Medicine Ph.D. program in molecular medicine have recently won awards for their research.

Hearing loss and high-speed dental tools
Whether high-speed dental tools contribute to hearing loss is the subject of a study currently underway in the OHSU Tinnitus Clinic and the School of Dentistry.

Medication may promote opening of arteries following stroke
A medication known as argatroban, when combined with another drug already used in the treatment of stroke patients, may help restore the flow of blood through blocked arteries, according to a preliminary study in the August issue of Archives of Neurology, one of the JAMA/Archives journals.

Physicians more likely to disclose medical errors that would be apparent to the patient
While physicians in the United States and Canada generally support disclosing medical errors to patients, they vary widely in when and how they would tell patients an error had occurred, according to two articles in the August 14/28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Novel pathway identifies rapamycin as tumor angiogenesis inhibitor
New research has uncovered a signaling pathway sufficient to induce formation of abnormal tumor-like blood vessels in otherwise healthy, normal tissues.

Studies highlight need to monitor heart function in breast cancer patients
Two new studies support the need to monitor heart function among breast cancer patients receiving two common therapies.

Surprising telescope observations shake up galactic formation theories
A heavy form of hydrogen created just moments after the Big Bang has been found to exist in larger quantities than expected in the Milky Way, a finding that could radically alter theories about star and galaxy formation, says a new international study led by the University of Colorado at Boulder.

High-fat, copper-rich diets associated with increased rates of cognitive decline in older adults
Among older adults whose diets are high in saturated and trans fats, a high intake of copper may be associated with an accelerated rate of decline in thinking, learning and memory abilities, according to a report in the August issue of Archives of Neurology, one of the JAMA/Archives journals.

Research pinpoints West Nile virus antibody binding site
Researchers have learned the precise location where an antibody binds to the West Nile virus, and they have suggested a mechanism for how this antibody neutralizes the virus to prevent infection.

'Hidden' Milky Way deuterium found
Scientists using NASA's Far Ultraviolet Spectroscopic Explorer satellite have learned that far more

Cohabitators are traditional, contrary to alternative living style
Although cohabitors are not conventional in that they live together without being married, they tend to be traditional when it comes to paid work and domestic labor as well as men being the initiators in dating and living together, a Cornell sociologist finds.

Pigments in corn, squash and other vegetables may help protect against age-related vision loss
Women younger than age 75 years who eat diets rich in the yellow plant pigments lutein and zeaxanthin may have a reduced risk of developing the eye disease age-related macular degeneration, according to a report in the August issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

Racial differences in communication impact medical care
African Americans receive less medical information and are less actively involved in their medical care.

Tissue microenvironment implicated in susceptibility to liver cancer metastases
A new research study reports that, in addition to the metastatic potential of tumor cells, a permissive target environment plays a critical role in promoting progression and metastases of liver cancer.

Rush researchers explore nanotechnology as diagnostic and treatment tool
At Rush University Medical Center in Chicago, researchers believe nanotechnology can lead to strikingly new ways to diagnosis and treat ovarian cancer.

Computer automated e-counseling improves weight loss
Behavioral counseling that is computer automated can enhance weight loss for individuals following a web-based weight loss program.

Rapamycin shown to inhibit angiogenesis
Scientists have long known that the blood vessels of tumors differ markedly from normal blood vessels.

Schools should take the lead in increasing kids' activity
The American Heart Association recommends that schools lead the way to ensure that all children and youth participate in adequate physical activity during the school day.

'Bachelorette' viewers aren't seeking reality
Reality television has been a big draw on television for years, but it appears viewers prefer some of these programs to be light in actual reality, says a Penn State researcher.

Low testosterone levels associated with increased risk of death in men
Men who have a low testosterone level after age 40 may have a higher risk of death over a four-year period than those with normal levels of the hormone, according to a report in the August 14/28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Being obese and a couch potato may have a biological basis in the brain
Some brains may be wired to encourage fidgeting and other restless behaviors that consume calories and help control weight.

Role for macrophages in age-related macular degeneration
Role for macrophages in age-related macular degeneration. Macrophages -- cells involved in the immune response -- may have a crucial role in age-related macular degeneration (AMD).

'Senseless' turf battles between health development and relief agencies
Health development agencies are contributing to the status quo of insufficient public health budgets in poor countries, argues Gorick Ooms, executive director of the Belgian section of the medical relief agency Médecins Sans Frontières.

Study reveals details of mussels' tenacious bonds
When it comes to sticking power, marine mussels are hard to beat.

Combating anthrax: Results of study published this month as researchers look for a better vaccine
A new study published this month by a Saint Louis University vaccine researcher scrutinizes what in the future could be an alternative to the presently available anthrax vaccine.

Weight loss found to reduce cellulite in some overweight women
Weight loss may decrease the severity of cellulite for some women -- but may worsen the condition for others, reports a study in August's Plastic and Reconstructive Surgery®, the official medical journal of the American Society of Plastic Surgeons.

Spineless tales provide strong backbone to human brain research
University of Oregon biologist Nathan Tublitz talked about moths, flies and cephalopods, telling an audience of scientists meeting in Australia this week that research on these spineless creatures is unveiling the mechanics of how the brain regulates behavior.

High-maintenance dynamics at work may affect subsequent performance
New research from Northwestern University shows that high-maintenance or difficult interactions indeed drain us.

ACS News Service Weekly PressPac -- August 9, 2006
The American Chemical Society News Service Weekly Press Package with reports from the 34 major journals.

Updated International AIDS Society guidelines recommend new goal of undetectable viral load
During the world's largest HIV/AIDS congress new guidelines from the influential International AIDS Society have been published supporting important changes for the management of treatment-experienced patients.

SAT test prep tools give advantage to students from wealthier families
Students from higher-income families are the ones most likely to use SAT preparation tools such as classes and tutors, which gives them an advantage in getting into college, a new study suggests.

New medication appears effective in helping smokers kick the habit
A drug recently approved by the US Food and Drug Administration as an aid to smoking cessation appears effective both short- and long-term for smokers trying to quit, according to two reports in the August 14/28 issue of the Archives of Internal Medicine, one of the JAMA/Archives journals.

High-fat, copper-rich diets associated with increased rates of cognitive decline in older adults
Among older adults whose diets are high in saturated and trans fats, a high intake of copper may be associated with an accelerated rate of decline in thinking, learning and memory abilities, according to a report in the August issue of Archives of Neurology, one of the JAMA/Archives journals.

A science or engineering bachelor's degree is good for you
Earning a bachelor's degree in science or engineering (S&E) appears to serve the recipient well in the workforce, regardless of the job they do.

New study examines children's exposure to neighborhood poverty
The 1990s meant good news for traditionally disadvantaged minority families with children, but researchers say these children continue to grow up in significantly poorer communities.

Annals of Internal Medicine tip sheet for Aug. 15, 2006, issue
The Annals of Internal Medicine tip sheet includes the following items: Kidney function blood test also identifies risk for heart disease and stroke; Review of court documents finds that drug company systematically used medical education and research to promote off-label use; Nurse managers help ethnic minority patients with heart failure; Does pay-for-performance improve the quality of health care? jury's still out.

Large and small stars in harmonious coexistence
The latest photo from the Hubble Space Telescope, presented at the 2006 General Assembly of the International Astronomical Union in Prague this week, shows a star forming region in the Large Magellanic Cloud (LMC).

Is coronary revascularization the best treatment option for heart failure?
Using data from the Alberta Provincial Project for Outcomes Assessment in Coronary Heart Disease (APPROACH), Tsuyuki and associates compare survival outcomes among patients with heart failure treated medically and those who underwent coronary revascularization.

Cycles of Cutaneous leishmaniasis are linked to climate
Cutaneous leishmaniasis occurs in cycles that are related to temperature and the El Niño Southern Oscillation.

Study finds cardiac toxicity rates high with herceptin use
The first study to look at

Discovery of metabolic pathway for parasite could lead to new controls for diseases
Cellular biologists at the University of Georgia and the University of Pennsylvania have shown that fatty acid synthesis in T. gondii is essential for the parasite's survival.

Mobilizing against unemployment: Unions, the unemployed and a precarious balance of interests
At the 101st annual meeting of the American Sociological Association, a University of Cincinnati sociologist examines the ability and willingness of unions to protect and promote the interests of the unemployed.

The sleep of babes
Babies' naps bolster learning
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