Brightsurf Science News & Current Events

November 12, 2000
Adding variety to an exercise routine helps increase adherence
Researchers now have scientific proof that variety is the spice of life -- at least in the workout room.

Molecular clue to Alzheimer's mystery found
Researchers have linked a molecule found in brain cells to levels of presinilin proteins.

Old hearts become new again
The elderly are good candidates for heart transplants and can benefit from hearts that might be unsuitable for younger people, researchers report today at the American Heart Association's Scientific Sessions 2000.

Drug study: price is more effective than punishment
New research at Adelaide University in Australia has found that the cost of marijuana -- not the legal punishment for marijuana offences -- is the real key to reducing the amount of the drug used.

UCSD bioengineer to receive President's National Medal of Science
The White House announced today that Yuan-Cheng Fung, fondly known as the father of biomechanics, will receive the President's National Medal of Science, the nation's highest scientific honor.

Leal wins presigious Bingham Medal
Gary Leal, professor of chemical engineering at the University of California at Santa Barbara (UCSB), has been selected as the recipient of the Society of Rheology's 2000 Bingham Medal.

New study of NC children suggests upcoming epidemic of type II diabetes
A national epidemic of type II diabetes likely will follow the current epidemic of obesity in U.S. children, a University of North Carolina at Chapel Hill study of 688 randomly selected, apparently healthy North Carolina children suggests.

Cell death during mammary involution
Pregnancy and lactation induce dramatic changes to the function and morphology of the mammary gland, including proliferation of breast epithelial cells, elaboration of secretory ducts and alveoli, and onset of milk production.

Key heart drug underutilized
It's the old good news-bad news scenario -- the use of a highly effective heart disease medication has increased over the past decade, but it is still being woefully underutilized by cardiologists, according to a Duke Clinical Research Institute study.

Chandra X-ray Observatory team wins Smithsonian's National Air and Space Museum Trophy
One of the Smithsonian Institution's most distinguished honors - the National Air and Space Museum's Trophy - has been awarded to the team responsible for the Chandra X-ray Observatory.

UCLA study is first to link good mental and physical health in African-American women to strong ethnic identity
A UCLA study of African American women participating in a culturally tailored program promoting healthful eating and exercise links strong feelings of ethnic identity with good mental and physical health.

Research sheds light on heart valve disease caused by fen-phen
The diet drug combination fenfluramine-phentermine, better known as fen-phen, was removed from the marketplace in 1997 because it was associated with heart valve abnormalities.

Fat as a target of antidiabetic drugs
Obesity is well known as a risk factor for diabetes mellitus, but curiously, the complete absence of adipose tissue is not protective, but actually causes diabetes.

Advisory: U-M statement regarding book 'Darkness in El Dorado'
A statement from University of Michigan Provost Nancy Cantor on the book,

Feynman Prize in nanotechnology won by Georgia Tech, HP Labs, UCLA
Nanotechnology's highest honors for the year 2000 have been awarded to researchers at Georgia Tech, HP Labs, and UCLA for major advances in the ability to build useful devices and structures with atomic precision.

Women must develop healthy lifestyles well before menopause to avoid heart disease in later years
Women must exercise and watch their diets before menopause to prevent life-threatening coronary calcium deposits from developing after menopause, according to research presented by University of Pittsburgh researcher Lewis H.

Relationship between smoking, alcohol and coffee consumption and Parkinson's disease may identify new risk factor
A new Mayo Clinic study shows that the same underlying factors that cause people to seek out the behaviors of coffee or alcohol consumption or smoking may also make them less likely to develop Parkinson's disease.

Antibiotics, yogurt seen as potential treatment for common liver disorder
If mouse studies hold true for humans, a daily cup of yogurt or dose of antibiotics may become the first effective treatments for a common and sometimes fatal obesity-related liver disorder, Hopkins scientists report.

Mountain-front reservoirs control cycles of Great Salt Lake
Major cycles in the size and depth of Utah's Great Salt Lake are known from as far back as the 19th century, but now a Penn State researcher suggests an explanation for the seemingly odd behavior of the lake.

Attacking the nation's No. 1 killer: statin and niacin treatment reduces risk of heart attack by 70 percent, can reverse arterial buildup
Treatment with a combination of statin and niacin can cut the risk of chest pain or a heart attack by 70 percent among patients who are likely to suffer heart attacks and/or death from cardiovascular problems.

High blood pressure gene also linked to obesity
A natural gene variation that is already linked to high blood pressure may also predispose those who inherit it to obesity, according to a study reported today at the American Heart Association's Scientific Sessions 2000.

More USGS science at GSA
U.S. Geological Survey scientists will present at the Geological Society of America meeting: biological contents of African dust and their effect on Caribbean corals; how climate change has influenced mercury content in Lake Tulane, Florida; and what happened when a large comet or meteor struck the present-day Chesapeake Bay.

In largest comparison ever between human and mouse genomes, scientists spotlight parental competition
Do you love Mom or Dad's genes best? It depends, scientists say, on the gene.

Explaining the persistence of Hepatitis C
Hahn and colleagues previously showed that of the major Hepatitis C virus (HCV) proteins, only one, the nucleocapsid core protein, can confer on a carrier virus the ability to evade the host animal's immune system.

Health clubs not fit for cardiac emergencies
Many gyms fail to pre-screen members for heart disease and don't have a written and practiced medical emergency response plan in place, according to a study released today at the American Heart Association's Scientific Sessions 2000.

Blacks, women get fewer heart devices
African Americans and women with life-threatening heart rhythm abnormalities are significantly less likely to receive implantable defibrillator devices designed to convert lethal rhythms to normal heart rhythm, according to a new analysis by Duke University Medical Center researchers.

Scripps diving officer inducted into scuba diving Hall of Fame
James R. Stewart, diving officer emeritus at Scripps Institution of Oceanography at the University of California, San Diego, was one of the initial inductees into the NAUI (National Association of Underwater Instructors) Hall of Honor.

Women and children face the music of the deadly quartet
A cluster of heart disease risk factors is significantly more dangerous for women than men, and in the future the next generation may be at even greater risk than their parents, according to results from two studies presented today at the American Heart Association's Scientific Sessions 2000.

OHSU researchers test ginkgo biloba as possible agent to prevent or delay Alzheimer's disease
Researchers at Oregon Health Sciences University are investigating whether ginkgo biloba has the ability to slow or prevent the development of Alzheimer's disease in the elderly.

Study shows life-threatening link between Viagra and nitrates and recommends guidelines for safe use
A study published in tomorrow's edition of Circulation reports that sildenafil citrate (Viagra), when combined with nitrates, can cause serious and prolonged decreases in blood flow through critically narrowed coronary arteries.

Clinton names a diverse group of researchers to receive the 2000 National Medals Of Science
President Clinton today honored twelve renowned American scientists and engineers by naming them to receive the National Medal of Science.

Sporadic workouts may be hazardous to your health
People who only exercise

Raven one of 12 to receive National Medal of Science
Peter H. Raven, Director, Missouri Botanical Garden and Engelmann Professor of Botany at Washington University in St.

Smog aggravates asthma in children born prematurely or of low birthweight, UC Berkeley researchers find
Smog-induced asthma symptoms are more severe in children born prematurely or of low birthweight, as compared to full-term, normal birthweight children.

OHSU researchers use stem cells to repair liver damage in mice
Researchers at Oregon Health Sciences University and colleagues have determined that certain specialized stem cells can cause healthy liver cell growth in mice.

Statins seem to work best on the worst kind of plaque; painless technique credited with findings
For the first time in humans, researchers have used magnetic resonance imaging (MRI) to show that a cholesterol-lowering drug removes the fat build-up from atherosclerotic lesions, stabilizing the plaque that is most likely to cause a heart attack or a stroke. 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