Brightsurf Science News & Current Events

July 26, 1999
Research models high-efficiency materials in air filters
Devices with air filters may have to run at slower speeds to use new, high-efficiency filter media to their full potential.

UK researcher develops nicotinic drugs with R.J. Reynolds
Nicotine researcher Peter Crooks, Ph.D., professor of pharmaceutical sciences at the University of Kentucky College of Pharmacy, and tobacco giant R.J.

More than half of homeless children have symptoms of depression
School-age children who are homeless have higher rates of mental health problems than other children, research suggests.

Gene alterations may predict response to new cancer therapy
Researchers have identified a possible new tumor-suppressor gene that plays a role in colon cancer and perhaps other cancers.

New computer model supports the importance of annual mammograms
The fact that a woman has had a mammogram

UK researchers examine personality and social behavior changes in patients following stroke
University of Kentucky researchers have found that depending on which side of the brain sustains damage during a stroke, affects the patient's personality and social competency and may influence others' impressions of them.

Small stock funds best choice for long-term periodic investing
Most financial advisers tell people saving for retirement to spread their risk by investing in several types of mutual funds.

Hospitalists should work with patients' primary care physicians, according to UCSF researchers
Hospitalists -- physicians who manage inpatient care -- should work closely with patients' primary care physicians (PCPs) particularly when sensitive issues arise using the hospitalist model of care, according to UC San Francisco researchers.

ReQuip® cuts risk of dyskinesias by 15-fold in early Parkinson's disease
A landmark, multinational, 5-year study shows that the dopamine-agonist ReQuip® (ropinirole hydrochloride, SmithKline Beecham) is associated with a much lower incidence of dyskinesias than L- dopa, and has comparable efficacy to L-dopa in the management of early Parkinson's Disease.

When it comes to food, do your children want what they can't have?
A recent study published in the American Journal of Clinical Nutrition found that restricting children's access to foods they want may lead to over-indulgence when they are free to make their own choices.

Is your diet making you lose more than weight?
At least 50% of American women consume weight-reduction diets at some time in their lives and most women participate in some type of physical activity to lose weight.

Obesity drugs not a quick fix for achieving weight loss
Researchers at Washington University School of Medicine in St. Louis say that drug therapy may be most useful for maintaining rather than achieving weight loss.

Cellular espionage at play in post-menopausal osteoporosis
Biologists at Washington University in St. Louis have shown that lower estrogen levels in post-menopausal women allow a class of inflammatory molecules called cytokines to bind to bone cell surfaces.

Stress may increase susceptibility to infectious disease
Dozens of studies have shown that stress can alter the levels of certain biochemical markers in the body -- key players in the human immune response -- but scientists weren't sure those changes actually led to poorer health.

Young baby boomers build wealth slowly and steadily, study shows
Forget stories of people becoming overnight stock-market millionaires. A new study found most young babyboomers accumulate wealth the old-fashioned way: slowly and steadily.

Fractals provide unusual theme in much African culture and art
In everything from braided hairstyles to the design of housing settlements, the geometric structures known as fractals permeate African culture.

Researchers seek postmenopausal women smokers for hormone, heart disease study
CHAPEL HILL -- Postmenopausal women smokers from both rural and urban areas are being sought for a University of North Carolina at Chapel Hill School of Medicine study of hormone replacement therapy.

Light microscopy: Resolution beyond the wavelength barrier
The resolution of focusing light microscopes has been traditionally limited by the wave nature of light.

College men nearly as likely as women to report they are victims of unwanted sexual coercion
The stereotypical picture of men as the perpetrators and women as the victims of acquaintance rape and other forms of unwanted sexual contacts appears to be slightly out of focus.

Implanted defibrillators and anti-theft systems appear safe under normal circumstances
People with implanted defibrillators that shock the heart to regulate its rhythm may safely walk through electronic anti-theft systems, but should not linger there, according to a study in today's Circulation: Journal of the American Heart Association.

Warning system for fatigued drivers nearing reality with new eye data
New research from Washington University in St. Louis and other laboratories is providing important clues on the bio- mechanics of driver fatigue and paving the way for development of on-board alarm systems capable of rousing a driver who is dozing toward catastrophe.

Researchers learn how stress slows wound healing
Scientists investigating why wounds heal more slowly on patients who are stressed have found that psychological stress can increase the levels of some hormones in the blood.

Genes play a bigger role in women's depression than in men's, twin study finds
An investigation of more than 2,600 pairs of same-gender and mixed-gender twins shows that genes play a bigger role in women's depression than in men's.
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