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Science News Archive July 1997 - Page 2


Page 2 of 2

Bilinguals Devote Distinct Areas Of The Brain To Native And Second Languages

Researchers at Memorial Sloan-Kettering Cancer Center found that bilingual individuals who acquire a second language as young adults have distinct brain areas associated with their native and second languages. This information may be useful for neurosurgeons navigating around the brain's language-sensitive areas during surgery.

SourceMemorial Sloan Kettering Cancer Center·JournalNature·DateJul 9, 1997

Single Polymers: They Vibrate Harmoniously, Unknot Unpredictably

Researchers found that individual polymer vibrations can be accurately described by a linear theory, similar to the vibrations of a musical string. The study used DNA strands and optical tweezers to analyze their movements, finding a high accuracy rate of over 1 percent up to the eighth harmonic.

SourceStanford University·JournalNature·DateJul 9, 1997
SAMSUNG T9 Portable SSD 2TB

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New Drug For Parkinson's Disease Proves Effective, Study Finds

The new Parkinson's disease drug pramipexole dihydrochloride has been shown to reduce symptoms by 20% in patients, with a more precise target on the specific dopamine receptor involved. The drug also appears to be better tolerated than current options, offering hope for improved treatment outcomes.

SourceUniversity of Rochester·JournalJAMA·DateJul 8, 1997

Drug Reduces HIV In Men, New UNC-CH Study Shows

A new UNC-CH study found that an antiretroviral drug reduced HIV transmission in men, suggesting a potential decrease in the probability of transmission. The study showed significant drops in virus levels and undetectable HIV in eight out of 11 subjects.

SourceUniversity of North Carolina at Chapel Hill·DateJul 7, 1997
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Non-Invasive Method For Diagnosing Cancer Developed At The Weizmann Institute

A non-invasive method for distinguishing between different types of tumors has been developed by Prof. Hadassa Degani at the Weizmann Institute. The approach, known as the Three Time Point method, uses MRI to monitor the uptake and clearance of a contrast-enhancing dye-like material in tumor tissue.

SourceAmerican Committee for the Weizmann Institute of Science·JournalNature Medicine·DateJul 2, 1997

Inhibiting Cell-Death Gene May Slow ALS Progression

A recent study found that inhibiting the ICE gene, responsible for programmed cell death, slowed ALS-like symptoms in mice. The research suggests that targeting this genetic pathway could lead to a new treatment option for patients with ALS.

SourceMassachusetts General Hospital·JournalNature·DateJul 2, 1997

Half Of Ovarian Cancers Linked To More Ovulatory Cycles

Researchers found a strong link between increased ovulatory cycles and p53 genetic mutations in ovarian cancer. Women at high risk can protect themselves by reducing their ovulation through birth control, pregnancy, or breast-feeding.

SourceDuke University·JournalJNCI Journal of the National Cancer Institute·DateJul 1, 1997

Defining "Medical Necessity"

Research shows that patient choice significantly impacts surgical rates, with significant variation among geographic units. Shared decision-making strategies can reduce demand for discretionary care by up to 40%, according to studies.

SourcePublic Health Reports·JournalPublic Health Reports·DateJul 1, 1997

Legislating Quality Of Care Will Not Work

State legislators introduced legislation to ensure insurance coverage for post-partum hospital stays, but were influenced by financial decisions, lobbying, and personal experiences. The law requires a minimum 48-hour hospital stay for normal vaginal deliveries and 96-hour stay for cesarean deliveries.

SourcePublic Health Reports·JournalPublic Health Reports·DateJul 1, 1997
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