Brightsurf Science News & Current Events

October 09, 2006
Stroke symptoms common among general population
As many as 18 percent of adults who have no history of stroke report having had at least one symptom of stroke, according to results of a large national study published in the October 9 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

First Quantum Grant to fund stem cell repair of damage from stroke
The National Institutes of Health's inaugural Quantum Grant has been awarded to researchers in Texas and Britain who plan to regenerate damaged brain cells and blood vessels for the treatment of stroke.

Vision and hearing loss often occur together in older age
Older adults with vision loss may be more likely to also have hearing loss, and the opposite appears true as well, according to a report in the October issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

Rescuing injured hearts by enhancing regeneration
Cardiology researchers at Children's Hospital Boston have shown that it may be possible to reduce tissue injury after a heart attack and preserve heart function by using techniques of regenerative medicine.

'Trapped wave' caused unexpected Dennis surge, scientists say FSU
When Hurricane Dennis passed North Florida on July 10, 2005, it caused a 10-foot storm surge in some areas along Apalachee Bay -- about 3 to 4 feet more than forecasted -- that couldn't be explained only by the local winds that conventionally drive storm surge.

First major study of mammalian 'disorderly' proteins
Investigators at St. Jude Children's Research Hospital turned up the heat on

Naked mole-rat unfazed by oxidative stress
The long-lived naked mole-rat shows much higher levels of oxidative stress and damage and less robust repair mechanisms than the short-lived mouse, findings that could change the oxidative stress theory of aging.

Hubble observations confirm that planets form from disks around stars
The NASA/ESA Hubble Space Telescope, in collaboration with ground-based observatories, has at last confirmed what philosopher Emmanuel Kant and scientists have long predicted: that planets form from debris disks around stars.

Burmese junta responding too slowly on HIV, TB, malaria and avian flu
Burma's authoritarian military regime, the State Peace and Development Council (SPDC), is impeding the health community's efforts to control infectious disease threats in Burma, according to an investigation published in PLoS Medicine.

Proposal calls for sweeping changes at US Food and Drug Administration
Five current or former members of the Drug Safety and Risk Management Advisory Committee to the US Food and Drug Administration (FDA) called today for Congress to make sweeping changes to deal with a large number of longstanding problems at the agency.

Read my lips: Not all fillers are safe for lip augmentation, rejuvenation
Lip augmentation is not just for women who want larger, sexier lips.

Sensory feedback during speech: The brain attunes to more than just sound
Using robotics to manipulate the brain's perception of jaw movement while words are spoken, researchers have deepened our understanding of the importance of non-auditory sensory cues in the brain's control of speech.

Mayo Clinic discovers potential link between celiac disease and cognitive decline
Mayo Clinic researchers have uncovered a new link between celiac disease, a digestive condition triggered by consumption of gluten, and dementia or other forms of cognitive decline.

Exercise helps breast cancer patients avoid anemia
Women undergoing radiation treatment for breast cancer benefit from moderate intensity, regular aerobic activity, according to a new study.

A new way to treat colon cancer?
Researchers at University of Utah's Huntsman Cancer Institute have discovered a new target for possible future colon cancer treatments -- a molecule that is implicated in 85 percent of colon cancer cases.

Fitness and childhood IQ indicators of cognitive ability in old age
How well your mind works in old age depends on physical fitness and your IQ score as a child, according to a study published in the October 10, 2006, issue of Neurology, the scientific journal of the American Academy of Neurology.

Scientists discover toxin that causes gastro disease
Australian scientists have identified a highly potent toxin that causes severe gastrointestinal illnesses, including food poisoning.

Early family experience can reverse the effects of genes, UCLA psychologists report
Early family experience can reverse the effect of a genetic variant linked to depression, UCLA researchers report in the current issue of the journal Biological Psychiatry.

Transmission of antibiotic-resistant bacteria linked to previous intensive care unit room occupants
Staying in a room in the intensive care unit (ICU) previously occupied by a patient with treatment-resistant bacteria may increase the odds of acquiring such bacteria, according to a report in the October 9 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Three UCSF faculty elected to Institute of Medicine
Three UCSF faculty scientists are among the 65 new members elected to the Institute of Medicine, part of the National Academy of Sciences, the Institute announced today.

Insurance companies deny medically necessary breast reductions based on random, unproven criteria
What if you couldn't perform daily activities, such as exercising or running with your children, because of overly large breasts that caused unending pain?

Obesity independently impacts prostate cancer screening
When interpreting prostate cancer screening test results, physicians should consider the impact of a patient's body mass index, regardless of race, according to a new study.

Gene therapy for inherited childhood blindness tested in mice
Researchers from Switzerland describe the results in mice of a possible gene therapy treatment for one inherited childhood blindness -- a variant of Leber congenital amaurosis-which is caused by mutations in a gene active in the retina, retinal pigment epithelium-specific protein, 65 kDa.

High BMI Tied to Poor Cognitive Function in Middle-Aged Adults
Middle-aged adults with a high body mass index received lower scores on cognitive tests than middle-aged adults with low BMI, according to a study published in the Oct.

Regular exercise, keeping weight in check reduces breast-cancer risk in postmenopausal women
Postmenopausal women who want to significantly decrease their breast-cancer risk would be wise to exercise regularly and keep their weight within a normal range for their height, according to new findings from the Women's Health Initiative to be published in the journal Obesity.

Compelling evidence demonstrates that 'Hobbit' fossil does not represent a new species of hominid
What may be the definitive most interdisciplinary work in a debate that has been raging in palaeoanthropology for two years will be published in Anatomical Record.

Forget basal body temperature -- check out her clothes
Near ovulation, women dress to impress, and the closer women come to ovulation, the more attention they seem to pay to their appearance, suggests a new UCLA and University of Wisconsin-Eau Claire study.

Pheromone from mother's milk may rapidly promote learning in newborn mammals
By studying the ability of newborn rabbit pups to learn the significance of new odors, researchers have found that a mammary pheromone secreted in mother's milk may act as a chemical booster that facilitates the ability of pups to quickly associate environmental odors with the opportunity to nurse.

'Sewer gas' induces suspended animation without decreasing blood pressure
Hydrogen sulfide gas can induce a state of suspended animation in mice while maintaining normal blood pressure, a finding that researchers hope will one day help treat critically-ill patients and protect cardiac patients during surgery.

Powerful genome ID method extended to humans
Optical mapping is a powerful genetic identification tool that so far has been limited to lower organisms.

Verizon praised for support of 'Engineering Our Future NJ'
At a gathering of Stevens Institute of Technology's Board of Trustees and faculty Thursday, officials from Verizon Communications and the Verizon Foundation were recognized by Stevens' President Harold J.

Controlling antibiotics and antibiotic resistance in hospitals
In a study of nearly 450 hospitals nationwide, researchers from Indiana University School of Medicine, Regenstrief Institute, Inc. and Roudebush VAMC report that hospitals that follow national guidelines on controlling antibiotic use have lower rates of antibiotic resistance.

Nanocrystals are hot
Nanocrystals of germanium embedded in silica glass don't melt until the temperature rises almost 200 degrees Kelvin above the melting temperature of germanium in bulk.

Study IDs protein that inhibits HIV from growing in cell cultures
How a harmless virus called GB Virus type C (GBV-C) protects against HIV infection is now better understood.

OHSU eye doctor says laser surgery safer than contacts
Traditional assumptions have held that contact lenses are safer than laser surgery to correct vision problems.

Scientists win grants to develop $1,000 genome sequencing technology
To spur the development of fundamentally new technologies necessary to reduce the cost of sequencing a genome 10,000-fold, the federal government has awarded $13 million to nine universities and corporate groups.

Ear infection expert from Children's Hospital of Pittsburgh leads interactive demo on diagnosis
Dr. Alejandro Hoberman will lead a unique and interactive discussion on how to accurately diagnose and treat AOM at 8 a.m. on Thursday, Oct.

Institute of Medicine elects 65 new members, 5 foreign associates
Institute of Medicine elects 65 new members, five foreign associates.

Archerfish tune their shots to universal properties of prey adhesion
Archerfish exhibit the remarkable ability to hunt for insects and other small terrestrial animals by firing precisely aimed streams of water that knock prey onto the water's surface.

Appetite changes, depression signal impulse control disorders in Parkinson disease
Parkinson disease patients who develop impulse control disorders as a result of treatment are more likely to be depressed, irritable and have appetite changes, according to a study published in the October 10, 2006, issue of Neurology, the scientific journal of the American Academy of Neurology.

Researchers identify new weapon to fight deadly bacterial sepsis
Researchers have discovered that in laboratory mice, blocking the activity of a single enzyme known as aldose reductase can short-circuit sepsis, protecting heart function and greatly reducing sepsis deaths.

UVA researchers to develop office-based cancer screening test
University of Virginia School of Medicine researchers hope to use a $1.5 million National Cancer Institute grant to develop a urine screening test that can detect cancer.

Newsbriefs from the journal Chest: October 2006
Newsbriefs from the October issue of the journal CHEST highlight studies related to the hereditary nature of lung cancer, COPD and acid reflux, and how winter viruses affect patients with COPD.

Carnegie Mellon scientists use 'green' approach to transform plastics manufacturing
Using environmentally safe compounds like vitamin C, scientists at Carnegie Mellon University have vastly improved a popular technology used to generate a diverse range of industrial plastics for applications ranging from targeted drug delivery systems to resilient paint coatings.

Omega-3 fatty acids may slow cognitive decline in some patients with very mild Alzheimer's disease
Omega-3 fatty acid supplements may slow cognitive decline in some patients with very mild Alzheimer's disease, but do not appear to affect those with more advanced cases, according to results of a clinical trial published in the October issue of Archives of Neurology, one of the JAMA/Archives journals.

LIAI scientists make major advance in the fight against chronic virus infections
A major finding that could lead to a new approach for treating hepatitis C and other chronic virus infections was announced today by researchers at the La Jolla Institute for Allergy and Immunology.

Everybody dance: The energy you use won't shorten your life
The theory that animals die when they've expended their lifetime allotment of energy may be reaching the end of its own life, but the longitudinal study leaves open a newer form of the theory -- that antioxidants help prolong life by limiting the damage that oxidative stress can cause to cells.

Obesity tied to higher risk of complications in spinal surgery, Jefferson neurosurgeon finds
While obesity is tied to increasing risks for heart disease and diabetes, it also could bring more complications in spine surgery.

Judging Science: Prague conference to address future of peer review
Peer review -- subjecting scientific research to expert scrutiny -- is the only acceptable method to adequately judge the rigor and accuracy of the research.

Cincinnati Children's researchers publish findings on potential target for leukemia treatment
Cincinnati Children's Hospital Medical Center today announced the publication of pioneering research identifying the crucial role and novel mechanism of action of the protein RhoH GTPase in the development and activation of cells critical to the immune system.

Alcohol and high-risk sexual behaviors in Botswana
Heavy alcohol consumption is strongly and consistently associated with sexual risk behaviors in both men and women in Botswana, according to one of the few research studies on the topic in sub-Saharan Africa.

Evolutionary harmony for stinkbugs and their gut bacteria: A perfect match
Evidence of host-symbiont cospeciation in an insect gut symbiont suggests that long-term vertical transmission and population structure are central forces driving the genomic changes characteristic of insect nutritional symbionts, according to a study published in PLoS Biology.

Study reveals mechanism for cancer-drug resistance
Using the worm Caenorhabditis elegans, researchers at UT Southwestern Medical Center have discovered a mechanism by which cancer cells become resistant to a specific class of drugs.

Yale environment school professor to receive research award
Yale professor Stephen Kellert, the Tweedy Ordway Professor of Social Ecology at the Yale School of Forestry & Environmental Studies, has won the North American Association for Environmental Education award for

Accountability after adverse medical events
A study by Bismark and colleagues from New Zealand indicates that medically injured patients do not always seek monetary compensation.

Teens half as likely to smoke if they are wise to subliminal messages in cigarette ads
Many adolescents are lured to cigarettes by advertisements and movies that feature sophisticated models and actors.

Eating walnuts with high-fat meals helps to protect arteries against short-term damage
New research shows that consuming a handful of raw walnuts along with meals high in saturated fat appears to limit the ability of the harmful fat to damage arteries.

Environmental toxicology experts to convene at Penn symposium
Members of the media are invited to attend

LOGIIC helps keep oil, gas control systems safe
For the past 12 months, Sandia National Laboratories has served as the lead lab in Project LOGIIC (Linking the Oil and Gas Industry to Improve Cyber Security).

Mediterranean diet associated with reduced risk of Alzheimer's disease
Eating a Mediterranean diet, which emphasizes fruits, vegetables and olive oil and includes little red meat, is associated with a lower risk for Alzheimer's disease, according to an article posted online today that will appear in the December 2006 print issue of Archives of Neurology, one of the JAMA/Archives journals.

Five Catalan universities form Europe's first inter-university network of business angels
The UAB participates in the UniBA network, the first inter-university network of its kind in Europe.

Cost-effectiveness study of three antimalarial drug combinations in Tanzania
Researchers from the London School of Hygiene and Tropical Medicine have evaluated the cost-effectiveness of the three alternative combinations of drugs now recommended for the treatment of malaria in East Africa.

Why some people react aggressively without provocation while others don't
Specific personality variables, such as anger or irritability, predict the tendency to either engage in aggressive behavior willingly or to engage in aggressive behavior when provoked.

Drug may help women stop smoking
Adding the opiate blocker naltrexone to the combination of behavioral therapy and nicotine patches boosted smoking cessation rates for women by almost 50 percent when assessed after eight weeks of treatment, but made no difference for men.

Suffer the children
This issue of the Canadian Medical Association features several articles examining the issue of childhood injury.

New hominid species may be early version of Homo sapiens
In 2003, when fossil remains were uncovered in Liang Bua Cave on the Indonesian island of Flores, the discoverers dubbed the remains Homo floresiensis, a new hominid species.

Senadhira Rice Research Award for 2006
In 1977, a promising rice breeder named M.A. Salam began his career at the Bangladesh Rice Research Institute (BRRI).

A new vision for International Rice Research attacks the roots of poverty
More income for the world's millions of poor rice farmers and consumers is the first goal of a major new revamp to the agenda of the International Rice Research Institute -- the largest and most successful international agricultural research institute in Asia.

Evolutionary first: Parasite reaches beyond host to play havoc with others' sex lives
Scientists revealed today that a prolific parasite is helping shape the destiny of a species it does not even infect.

Study exposes weaknesses in Congress' approach to high-tech immigration
Congress was considering authorizing enough high-skill visas to fill every computing and engineering job created in the United States over the next decade and still have 630,000 visas left over.

William Tierney elected to Institute of Medicine
William Tierney, M.D., a physician researcher who has made major contributions to the delivery of health care in the United States, Kenya and a growing number of other African countries, has been elected a member of the prestigious Institute of Medicine of the National Academy of Sciences. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to