Brightsurf Science News & Current Events

November 22, 2004
Antidepressants may increase risk of abnormal bleeding
New users of selective serotonin reuptake inhibitors (SSRIs, a type of antidepressant) have an increased risk of being admitted to the hospital for abnormal bleeding, according to an article in the November 22 issue of The Archives of Internal Medicine, one of the JAMA/Archives journals.

Study may lead to new means of increasing effectiveness of existing cancer treatments
Researchers at Mount Sinai School of Medicine have discovered a new mechanism of activation of a pathway known to be implicated in many cancers.

Researchers develop digital technique for art authentication
A team of Dartmouth researchers has developed a new computational tool to help authenticate works of art, specifically paintings, prints and drawings.

University seeks recruits for Parkinson's Disease study
Researchers at the University of Edinburgh are seeking people with Parkinson's Disease (PD) to help them better understand how mood-- particularly depression-- affects their symptoms.

Long-term obesity linked to loss of brain tissue in women
Women who are obese throughout life are more likely to lose brain tissue, according to a study published in the November 23 issue of Neurology, the scientific journal of the American Academy of Neurology.

What happens in the brain when we remember our own past?
What happens in the brain when we remember our own past?

Studies suggest promising new directions for gallstone treatment
A promising experimental compound prevents cholesterol gallstone disease in mice by stimulating the biochemical pathway that controls bile acid secretion by the liver, according to new studies by Howard Hughes Medical Institute researchers.

Computer simulation shows how fibrils form
To get a better look at how proteins gather into clusters called amyloid fibrils - which are associated with important human diseases such as Alzheimer's, Parkinson's and the so-called prion diseases like Mad Cow - researchers at North Carolina State University decided to make movies.

Study identifies factors associated with long-term opioid treatment of veteran patients
Veteran patients who receive long-term opioid prescriptions generally are treated with modest and stable medication dosages, according to an article in the November 22 issue of The Archives of Internal Medicine, one of the JAMA/Archives journals.

Acid-resistant bug doesn't give in to alcohol either
A chemist at Washington University in St. Louis has found surprisingly tough enzymes in a bacterium that

LA BioMed Medical/Research Briefs - December 2004
Highlights of this issue of LA BioMed Medical/Research Briefs include: testosterone boost may help men with lung disease and disquieting reports of the scope of hospital acquired infections.

Family history predicts young women's risk of stroke
Young women with a family history of stroke in their parents or siblings may be at increased risk for stroke themselves, according to a new report.

System that regulates blood pressure may also affect aging
The same system that regulates blood pressure may also play a role in aging, according to new research from Wake Forest University Baptist Medical Center.

NSAIDs are of limited use for osteoarthritis
Patients with knee osteoarthritis should avoid long term use of non-steroidal anti-inflammatory drugs (NSAIDs), say researchers in a study published on
Risk of muscle-damaging disorder low for most commonly prescribed statin drugs
Patients taking the lipid-lowering medications atorvastatin, pravastatin, and simvastatin to reduce cholesterol levels, have a relatively low risk of developing rhabdomyolysis, (a disorder that causes the breakdown of muscle), according to a new study in the December 1 issue of JAMA.

Are animals as irrational as humans?
Decisions made by European starlings in certain choice contexts are shown to depend on the training regimes rather than inherently irrational behavior.

Breast conserving therapy safe for hereditary breast cancer
Women with hereditary breast cancer treated with breast conserving therapy appear to have no increased risk for recurrence in the treated breast, according to results from a prospective study However, the risk of breast cancer in the opposite breast is significantly increased.

Menssana research at NJIT receives kudos for FDA-approved breath test
In a fifth-floor laboratory at New Jersey Institute of Technology (NJIT), research assistant Renee Cataneo is holding the day's collection of human exhalations sent to Menssana Research, based at NJIT.

Flies on crack
Researchers at the University of California, San Francisco (UCSF) and New York University have discovered a gene mutation in fruit flies that alters sensitivity to crack cocaine and also regulates their internal body clock.

Urban hospitals bear the brunt of motorcycle injuries
Motorcycle-related injuries and deaths have been on the rise since 1997, and urban teaching hospitals are bearing the brunt of caring for those injured, according to a new nationwide study.

Study helps define headaches of whiplash
If you happen to be looking left or right when your car is rear-ended, you could be lucky enough to avoid the headache of whiplash.

An ear for crime
A University of Southern California biomedical engineer's pioneering brain cell research has led directly to a patented system that is now being rolled out to stem gun violence on the streets of Chicago.

Chocolate ingredient could put a stop to persistent coughs and lead to new cough medicines
Researchers have discovered that an ingredient present in chocolate could help stop persistent coughs.

British engineer works to secure cost effective tidal power
A British engineer believes he can secure cost effective tidal power by innovatively placing existing turbine designs inside large bore underwater pipes.

Slashing the cost of solar power in half
British researchers are developing new techniques in the production of photovoltaics (PVs) that will reduce the cost of solar power by half thanks to an $8 million (£4.5 million) grant from the UK SuperGen program, administered by the UK's Engineering and Physical Sciences Research Council.

Scientists discover air is heavier than we thought
Scientists have discovered that the air in the atmosphere around us is heavier (more dense) than they had previously thought.

Low-carb diet during pregnancy improved triglycerides, fat metabolism in offspring
Researchers find benefits in female adult offspring of mice on a low-carb diet.

Obesity tied to increased risk for dozens of conditions
Highly obese women are 12 times more likely to have diabetes or knee replacement surgery, and five times more likely to have high blood pressure than women who are at a normal weight, says a new study.

Examination of possible conflicts of interest to influence look at suspected adverse drug reactions
A review of the published literature and of internal company documents from the manufacturer of cerivastatin, a cholesterol lowering drug removed from the market in 2001, suggests that information about serious adverse effects of this medication was known to the company within months after this drug was launched, and that company analyses showing substantially increased risk of rhabdomyolysis were apparently not published or disseminated to physicians and patients.

Washington University CubeSat readied for NASA/Air Force competition
An aerospace engineer at Washington University in St. Louis who works with students building experimental spacecraft says student-built spacecraft, which he calls

Hiding drugs in food in nursing homes is common
The practice of concealing drugs in patients' food and drinks is common in nursing homes, claim researchers from Norway in a study published on
'Spacelift' for Vendée Globe sailor
When Marc Thiercelin set out on the Vendée Globe, one of the world's toughest sailing races, earlier this month, novel space technologies were used to give his six-year-old boat a 'facelift'.

Learning to cover up reduces risk of skin cancer
Educating children in primary school and adults at the beach about the benefits of wearing sun-protective hats and clothing can effectively motivate them to cover up and reduce their exposure to cancer-causing ultraviolet radiation, according to a systematic review of evidence.

This is your fly's brain on drugs
Expression of the Drosophila LIM-only (LMO) gene in circadian pacemaker cells is required for the normal behavioral sensitivity of these animals to cocaine.

Antioxidant supplementation may reduce incidence of cancer in men
Low-dose antioxidant supplementation may reduce the risk of cancer among men, but not in women, according to an article in the November 22 issue of The Archives of Internal Medicine, one of the JAMA/Archives journals.

Foreign companies exaggerated job targets, claims study
Bigforeign companies - from Northern America, the Far East and Western Europe - that established UK business plants over a 14-year period exaggerated their job creation claims, a study from Newcastle University's business school suggests.

JAMA editors call for major restructuring of postmarketing surveillance system
A JAMA editorial states:

Early results shed light on lung cancer screening advance
One in three smokers or former smokers screened for lung cancer at a baseline and one year follow-up visit using a recent advance in computed tomography tested positive according to a new study.

New Jersey Institute of Technology pioneers new way to teach engineers
In Professor Richard Foulds' freshman design class, students perform angioplasty on pasta, amniocentesis on jelly donuts and surgery on hot dogs.

Researchers recommend vaccinating adolescents against whooping cough
Experts are recommending that adolescents and some adults be vaccinated against whooping cough to help prevent infection and potential transmission to infants, according to the December 15 issue of Clinical Infectious Diseases, now available online.

What women want makes a difference
Mating discrimination between two species of Drosophila is more pronounced where they hybridize and genes related to odor appear responsible for this

'Self-cleaning' suits may be in your future
Sending your favorite suit to the dry cleaners could one day become an infrequent practice.

Chronic back pain shrinks 'thinking parts' of the brain, study finds
Chronic back pain, a condition afflicting many Americans, shrinks the brain by as much as 11 percent -- equivalent to the amount of gray matter lost in 10 to 20 years of normal aging, a Northwestern University research study found.

Study says nation wastes nearly half its food
As Americans sit down to their Thanksgiving Day and holiday dinners, many will marvel at the cornucopia of food at the table.

UCI researchers use human embryonic stem cells to aid spinal cord injury repair
For the first time, researchers have used human embryonic stem cells to create new insulating tissue for nerve fibers in a live animal model - a finding that has potentially important implications for treatment of spinal cord injury and multiple sclerosis.

Data support Americans' sense of accelerating 'time warp'; balance between work and family elusive
While the U.S. work week, or hours spent working for pay by the average employee, has not significantly changed over the past 30 years, the demands of work and family are certainly colliding.

UCLA brain researchers uncover new clues to SIDS
Two UCLA studies have identified brain irregularities in children with a disease that stops them from breathing during sleep.
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