Brightsurf Science News & Current Events

March 04, 2004
Educational program increases some safety behaviors for older drivers
A one-on-one intervention for older drivers that addressed the participant's own driving needs, lifestyle, and visual problems was successful in changing driver behavior, leading them to avoid challenging or unsafe driving situations, but was not successful in reducing collision rates.

Family discipline, religous attendance cut levels of later violence among aggressive children
Aggressive 15 year olds who attended religious services, felt attached to their schools or were exposed to good family management were much less likely to have engaged in violence behavior by the time they turned 18, according to a new multi-ethnic study of urban youth by University of Washington researchers.

First silicate stardust found in a meteorite
In the March 5 issue of Science, Ann Nguyen of Washington University in St.

America's teens: Growing up and out
Today's teenagers are gaining weight at twice the rate of their parents, researchers reported here today at the 44th American Heart Association annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Robert Wood Johnson Medical School researcher receives fellowship for work in Canavan Disease
Scott McPhee, PhD, of Robert Wood Johnson Medical School at the University of Medicine and Dentistry of New Jersey in Camden, has been selected to receive the first Canavan Disease Clinical Research Training Fellowship which is co-sponsored by the Canavan Foundation and the American Academy of Neurology Foundation.

Study looks at cost of high blood pressure therapy
A third of the increase in cost of treating high blood pressure was related to physician prescribing practices, and while it may be producing better control of blood pressure, it's possible that this could be done at a lower cost.

Thursday, March 4, 2004 news tips
These news tips are from the 44th Annual Conference On Cardiovascular Disease Epidemiology and Prevention of the American Heart Association at The Fairmont San Francisco in San Francisco, Calif. on March 3-6, 2004.

Tiny molecular motors shed light on cell function, say Stanford researchers
James Spudich, PhD, biochemistry professor at the Stanford University School of Medicine, and Stanford physics graduate student David M.

Hopkins researchers find MRI useful tool in diagnosing inflammatory bowel diseases in children
Magnetic resonance imaging (MRI), coupled with the use of the contrast dye gadolinium, may help pediatricians better diagnose children with ulcerative colitis and Crohn's disease, according to a study by researchers at the Johns Hopkins Children's Center.

Helping patients focus on prevention
Dentists are trained to take good care of patients when things go wrong, but they are just as skilled at making sure things go right.

New evidence suggests early oceans bereft of oxygen for eons
As two rovers scour Mars for signs of water and the precursors of life, geochemists have uncovered evidence that Earth's ancient oceans were much different from today's.

Obese children less physically fit
Weight gain is associated with decreased physical fitness, researchers report today at the American Heart Association's 44th annual Conference on Cardiovascular Disease, Epidemiology and Prevention.

Genome of first fungal pathogen unveiled
Geneticists at the Duke Institute for Genome Sciences and Policy (IGSP) and the University of Basel have unveiled the complete genome sequence of the pathogenic plant fungus Ashbya gossypii, which infects agricultural crops including cotton and citrus fruits in the tropics.

Scripps scientists describe dangerous cocktail of alcohol, brain peptides, and neurotransmitters
A team of scientists at The Scripps Research Institute has described the cellular mechanism underlying the brain's response to alcohol, which suggests a possible method for treating alcoholism.

Statins could reduce stroke risk by a third
Statins-drugs that lower LDL cholesterol-substantially reduce the incidence of ischaemic stroke among high-risk individuals, conclude authors of a study in this week's issue of THE LANCET.

NASA research shows heavy smoke 'chokes' clouds
Using data from NASA's Aqua satellite, agency scientists found heavy smoke from burning vegetation inhibits cloud formation.

'T-ray' devices with perfect imaging abilities move a step closer
A team of American and British scientists has demonstrated an artificially made material that can provide a magnetic response to Terahertz frequency radiation, bringing the realisation and development of novel 'T-ray' devices a step closer.

Researchers discover 1.2 million new genes in Sargasso Sea microbes
Department of Energy funded researchers at the Institute for Biological Energy Alternatives (IBEA) have sequenced microbes in the Sargasso Sea and have discovered at least 1,800 new species and more than 1.2 million new genes.

New bill 'will ultimately fail the public'
The new human tissue bill threatens medical research and will ultimately fail the public, argue experts in this week's BMJ.

Depressed moms want pediatricians to hear them
A new study by researchers at University Hospitals of Cleveland's Rainbow Babies & Children's Hospital and Case Western Reserve University offers a possible solution to address postpartum depression.

Innovative reconstructive surgery improves appearance, outcomes for skin cancer patients
OHSU researchers find patients requiring major removal of head and neck tissue -- skin, eye, ear, lip, nose and cheek tissue -- experienced significant improvement in function, appearance and quality of life, as well as excellent survival rates following surgery using free tissue transfer.

NETs protect against pathogenic bacteria
White blood cells can kill bacteria by trapping them in net-like extracellular structures, report scientists in Arturo Zychlinsky's lab at the Max-Planck-Institute for Infection Biology in Berlin.

Discoveries reveal that gene regulation is bipolar
Research to be published on 5 March 2004 in the journal Cell reveals a surprising relationship among the hordes of gene regulatory molecules that are the ultimate controllers of life processes.

Long term risks of medical radiation often ignored
Doctors and patients should be more aware of the long term risks of radiological investigations such as x-rays and CT scans, argues a researcher in this week's BMJ.

Search for macular degeneration genes narrows
Scientists have narrowed the search for the regions of DNA where genes related to age-related macular degeneration might reside.

Faulty DNA replication linked to neurological diseases
UIC researchers explain the mechanism responsible for creating lengthy repetitive DNA sequences that cause rare but devastating neurological diseases.

Design of composite materials that detect terahertz discovered
A team of physicists and engineers from the University of California, San Diego, the University of California, Los Angeles and Imperial College, London have developed a class of materials that respond magnetically to terahertz radiation, a fundamental finding relevant to many exciting applications in areas including guidance in zero visibility weather conditions, security and biomedical imaging and quality control.

Sarah Staples and Daniel Grossman win 2004 AIBS media awards
The American Institute of Biological Sciences (AIBS) announced the two winners of the 2004 Media Awards: Sarah Staples, for

Pre-eclampsia linked to increased cancer risk
Women with a history of pre-eclampsia are at increased risk of cancer, particularly cancers of the stomach, breast, ovary, lung, and larynx, shows new research from Israel.

Cedars-Sinai March medical tipsheet
Cedars-Sinai's medical tipsheet for March includes: 1) The ABC's and 1-2-3's of heart attack; 2) Androgen excess study in women; 3) Laparoscopy to help infertile women avoid months of treatments; and 4) Gene identified that causes insulin resistance in Mexican Americans.

Dairy, moderate fat, carbohydrate intakes reduce obesity in young teens
Children who ate few dairy products and had low or high intakes of dietary fat gained more weight than those on a moderate fat diet, according to a study presented today at the American Heart Association's 44th annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Early treatment confirmed as key to stroke recovery
A study in the March 6, 2004 issue of The Lancet confirms the benefits of getting stroke patients to the hospital quickly for rapid thrombolytic treatment

Smoking linked to blindness
Smokers are up to four times as likely to become blind in later life from age related macular degeneration (AMD) than non-smokers, but many remain largely unaware of this risk, warn researchers in this week's BMJ.

Brain Centre gives Wales a world lead
An investment of more than 10 million GB pounds will bring state-of-the-art imaging facilities to Wales, helping scientists unravel some of the greatest mysteries of the human brain.

Stroke treatment window stays open longer than thought, say Stanford researchers
After a stroke, a person typically has just three hours to reach a hospital and receive the one drug approved to help save threatened brain cells.

Older patients need special attention in the dental chair
It is estimated that by the year 2040, adults over the age of 65 will account for 21 percent of the U.S. population.

Computer-based program provides personal colon cancer risk data
A computer-based program can help people understand their risk for colorectal cancer, a new study shows.

UVa researchers describe method of protecting chromosomes during cell division
One hallmark of most cancer cells is that they have the incorrect number of chromosomes, a state called aneuploidy.

Detecting vitamin B12 deficiency prevents anaemia and memory loss
Millions of people suffer from vitamin B12 deficiency, which can cause anaemia and memory loss.

Internet program and videos net nutritional benefits for kids
An internet program and short videos shown at school helped Milwaukee seventh graders lower their fat intake and find innovative ways to exercise -- even while watching television.

Pain medication safe and effective for the elderly
John Sasaki, MD, Director of Pain Management at Casa Colina Hospital, presented new research which demonstrated that the sustained-release morphine sulfate pain treatment called Kadian is well tolerated and effective in controlling chronic, non-cancer related pain in the elderly.

Tobacco should be excluded from free trade agreement
Tobacco should be excluded from free trade agreements to protect health, argue researchers in this week's BMJ.

Rice bioengineer wins international design contest
Rice bioengineer Michael Liebschner has been named the grand prize winner in the

New breast pap smear detects early cellular changes; May prevent onset of breast cancer
Long before a woman feels an ominous lump in her breast, Victoria Seewaldt, M.D., can test her for subtle signs that breast cancer may be brewing in a few errant cells amidst thousands of healthy ones.

Visualizing the central dogma
In 1958, five years after he helped discover the double helix structure of DNA, Francis Crick coined the term

2005 global tuberculosis targets may be out of reach
An article in this week's issue of THE LANCET cautions that key targets for tuberculosis control-due to be reached by next year-are unlikely to be met unless renewed strategic action and financial support can be secured.

New technology facilitates adherence for patients
New drug delivery systems can keep drugs at desirable levels in the body and avoid the need for frequent doses, helping patients better adhere to their therapy regimen. 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