Brightsurf Science News & Current Events

January 02, 2001
U Penn researchers combating blindness from diabetic retionopathy in local community with 4 Sight program
Program aims to promote early detection and intervention, preventing blindness in adult diabetics in researcher's own West Philadelphia neighborhood.

Tamoxifen for breast cancer prevention has no heart-related effects
The breast cancer prevention drug, tamoxifen, does not influence cardiovascular risk in healthy women or in women with coronary heart disease, according to a study published in the Jan.

Friends may not always soothe nerves in stressful situations
Having a supportive friend with you during a stressful event may not always be good for your health.

Physicians can do more to ensure quality of life for terminally ill patients
Physicians can do more and involve additional people in the care of the terminally ill patients to ensure that their quality of life doesn't deteriorate in their final days.

NC State professor finds fault with middle school science textbooks
A new examination of some of the most widely used middle school physical science textbooks has found texts that incorrectly state Newton's first law of motion and show the equator passing through the southern United States.

Ancient underground fractures may threaten ground water supplies
Scientists have uncovered evidence suggesting that the soil in much of Ohio may not be good material in which to bury solid and industrial wastes.

Researchers to investigate racial differences in health
Differences in treatment and outcomes between blacks and whites in North Carolina will be the focus of a new program at the University of North Carolina at Chapel Hill's Cecil G.

Combination of two widely used pesticides linked to Parkinson's disease
Scientists have shown that the combination of two widely used agricultural pesticides -- but neither one alone -- creates in mice the exact pattern of brain damage that doctors see in patients with Parkinson's disease.

New method for studying ocean currents to help fight erosion
Researchers can now map the ocean currents that erode beaches, cost coastal towns millions of dollars in annual property losses, and threaten a tourist industry worth billions.

Interpretations of brain activity based on cognitive theories fail to recognize background neuronal firing
When the brain is stimulated, functional imaging results are misinterpreted by neglecting the resting brain neurotransmitter activity.

Second form of heart failure needs study
A study of patients with life-threatening symptoms of heart failure showed that one-half had a little-understood form of the disorder, report researchers from Wake Forest University Baptist Medical Center in this week's New England Journal of Medicine.

Scenario-based counseling may help patients seek hospital care sooner after a heart attack
Heart disease patients who receive one-to-one counseling about the range of heart attack symptoms and the emotions they are likely to feel during a heart attack may seek hospital care sooner after they have symptoms, according to a UCSF researcher

Recognizing current limitations, scientists begin quest for a new approach to imaging brain cells' activity
Researchers at the University of Pennsylvania are aiming to develop a novel imaging system that can capture snapshots of activity across large swaths of individual brain cells.

For Hungary's Gypsies, self-governments boost development
Cornell University rural sociologists, studying the impact of Hungary's Act 77, found that many Gypsy minority self- governments are the driving forces of local development and that local, social networks greatly influence the local government's activities.

Social support key to encouraging college students to exercise
College students are more likely to exercise if they have social support for being active, but the best kind of social support differs between men and women.

Defect in alpha-1 antitrypsin gene found to increase colorectal cancer risk
Mayo Clinic scientists have discovered that carriers of a genetic defect previously linked to emphysema have a threefold increased risk of developing a type of sporadic colorectal cancer.

Study confirms preventive occupational therapy helps seniors remain independent
The article reports on follow-up research to a groundbreaking 1997 study.

Nicholas School hosts 'Landscape Legacies' conference to examine long-term impacts of humans on landscapes
Throughout history, humans have brought about sweeping ecological change as they have altered the landscape for agricultural and urban uses.
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