Brightsurf Science News & Current Events

January 20, 2003
Minimum smallpox vaccination is best strategy for now, experts say
The current smallpox vaccination policy of vaccinating a very limited number of first responders to a potential smallpox outbreak and avoiding mass vaccination is the best vaccination strategy, say two smallpox experts in an article in Annals of Internal Medicine.

Research project promises faster, cheaper and more reliable microchips
A project between academia and industry is aiming to spark a world electronics revolution by producing faster, cheaper and more reliable microchips.

Researchers find enzyme that triggers hardening of the arteries
An enzyme found only in the liver and intestines may play a crucial role in the development of hardening of the arteries -- or atherosclerosis, a research team from Wake Forest University Baptist Medical Center and the University of California, San Francisco, report in the Proceedings of the National Academy of Sciences.

Suppressing immune system reverses otherwise untreatable case of blood disease
Treatment with two medications that suppress the immune system, rituximab and cyclophosphamide, appears to have cured one woman of an otherwise untreatable case of the blood disease known as thrombotic thrombocytopenic purpura (TTP).

Why do firms raise prices more readily than reducing them?
Chancellors and central bankers face a perennial headache: booms typically cause inflation, while recessions mainly reduce output without reducing prices or inflation.

No evidence that walk-in clinics offer inferior care, study says
Contrary to popular belief, walk-in clinics provide quality health care and a satisfying work environment for physicians, say University of Toronto researchers.

Radiation helps drugs 'zero in' on tumor blood vessels
A team of Vanderbilt-Ingram Cancer Center scientists shrunk tumors or delayed their growth in animal studies by using radiation to enable a drug to

FDA approves new treatment for children with epilepsy
GlaxoSmithKline announced today that the U.S. Food and Drug Administration (FDA) granted marketing clearance for Lamictal® (lamotrigine) Tablets as add-on therapy in partial seizures in children age two years old and up.

Cherokee literature still affected by history of removal
A history of psychological, physical and spiritual

Annals of Internal Medicine, tip sheet, January 21, 2003
Highlights of the next issue of Annals of Internal Medicine include: Chemotherapy after breast cancer surgery not used as often as recommended; Women with heart disease are at high risk for heart attacks, but often are not taking appropriate preventive drugs; and Denver Health: an integrated, successful urban safety-net system.

Mouse model links alcohol intake to marijuana-like brain compounds
Brain molecules similar to the active compound in marijuana help to regulate alcohol consumption, according to new reports by scientists at the National Institute on Alcohol Abuse and Alcoholism (NIAAA), Bethesda, Maryland, and a separate NIAAA-supported group at several New York state research institutions.

Sick Kids researchers pinpoint link between diabetes and nervous system autoimmunity
Researchers at The Hospital for Sick Children (HSC) and the University of Toronto (U of T) have extended their earlier discovery of an unsuspected link between Type 1 diabetes and nervous system autoimmunity, such as that found in multiple sclerosis (MS).

Lower blood pressure decreases heart attack risk in diabetics with clogged leg arteries
Lowering blood pressure can reduce heart attacks and other cardiovascular events in diabetics who also have clogged leg arteries, according to a study in today's rapid access issue of Circulation: Journal of the American Heart Association.

Early-warning procedure can help more melanoma patients than previously thought
Patients who develop melanoma on their face, head or neck can have the same early-diagnosis surgical procedure to see if their cancer might spread as patients whose cancer is on less delicate areas of the body, a new study finds.

New technique gets the red out of digital photographs
It's an all-too-common experience - the perfect photograph ruined by the demonic glow of the

Bone marrow generates new neurons in human brains
A new study strongly suggests that some cells from bone marrow can enter the human brain and generate new neurons and other types of brain cells.

Scientists find geochemical fingerprint of World Trade Center collapse
Dust and debris deposits associated with the September 11, 2001, terrorist attack on the World Trade Center have left a distinct fingerprint on the sedimentary record in New York Harbor, scientists have found.

Cancer squeezes through the gaps
Cancer cells move around the body (become metastatic) by chopping up the dense matrix that surrounds them.

Supply and demand and illicit drugs
A study in the Canadian Medical Association Journal reports the largest seizure of heroin in Canadian history actually had no impact on the injection use of heroin or on perceived availability of the drug on the street.

Chemotherapy after breast cancer surgery not used as often as recommended
A new study published in the Jan. 21, 2003, issue of Annals of Internal Medicine finds that many women do not receive adjuvant chemotherapy after surgery for breast cancer as recommended by the National Institutes of Health (NIH).

Shaken baby syndrome in Canada
A 10-year retrospective chart review of cases of shaken baby syndrom in Canada presents important lessons for caregivers and society.

Relationships based on trust, reputation preferred by I-banks
In the cut-throat business of IPO underwriting, investment banks partner with other I-banks who have a good reputation, are trustworthy and cooperative rather than those that are the most competitive, says a University of Toronto business strategy professor.
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