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20 Nov 2008
Science News for 15 May 2008
Marian Koshland Science Museum forms partnership with Science Center Singapore
15 May 2008
WASHINGTON – In a new collaboration, the Marian Koshland Science Museum of the National Academy of Sciences is licensing several components of its global warming and infectious diseases exhibits to the Science Centre Singapore. The...

University of Miami's CSTARS to host valuable hurricane, typhoon satellite image library
15 May 2008
Joint effort between UM, Canadian Space Agency, NOAA and NASA to provide free images to scientific community MIAMI, Fla. -- The University of Miami’s Center for Southeastern Tropical Advanced Remote Sensing (CSTARS), a major program of...

Carnegie Mellon scientists unveil new tool to understand evolution of multi-domain genes
15 May 2008
Results upend current analyses, herald new way to understand, exploit key proteins in cancer PITTSBURGH—Carnegie Mellon scientists have discovered critical flaws in the standard method used to analyze gene evolution. Standard methods fail...

Study: Doribax shows shorter hospital stays in ventilator-associated pneumonia patients
15 May 2008
Raritan, NJ – May 15, 2008 – The investigational use of doripenem for the treatment of ventilator-associated pneumonia (VAP) was associated with shorter patient length of stay and reduced hospital resource utilization, according to...

Argonne-SRNL agreement supports critical DOE, national priorities
15 May 2008
Joint research efforts to focus on nuclear energy, environmental management Argonne, Ill. (May 15, 2008) – Argonne National Laboratory has signed a memorandum of understanding (MOU) with Savannah River National Laboratory (SRNL) to...

MIT creates new material for fuel cells
15 May 2008
Increases power output by more than 50 percent CAMBRIDGE, Mass.--MIT engineers have improved the power output of one type of fuel cell by more than 50 percent through technology that could help these environmentally friendly energy storage...

NC State researcher finds El Niño may have been factor in Magellan's Pacific voyage
15 May 2008
A new paper by North Carolina State University archaeologist Dr. Scott Fitzpatrick shows that Ferdinand Magellan’s historic circumnavigation of the globe was likely influenced in large part by unusual weather conditions – including...

MIT solves gravity-defying bird beak mystery
15 May 2008
Shorebirds take advantage of surface tension to capture prey CAMBRIDGE, Mass.--As Charles Darwin showed nearly 150 years ago, bird beaks are exquisitely adapted to the birds' feeding strategy. A team of MIT mathematicians and engineers has now...

Atmosphere threatened by pollutants entering ocean, prof says
15 May 2008
COLLEGE STATION – A large quantity of nitrogen compounds emitted into the atmosphere by humans through the burning of fossil fuels and the use of nitrogen fertilizers enters the oceans and may lead to the removal of some carbon dioxide...

Monitor Sanctuary in good health overall, but historic shipwreck still faces threats
15 May 2008
A first-of-its-kind assessment The natural resources of the Monitor National Marine Sanctuary off the North Carolina coast are in good condition overall, but the wreck of the Civil War ironclad encompassed by the site is at risk from human...

Long lost sisters
15 May 2008
Dr. Saharon Rosset Click here for more information. The human race was divided into two separate groups within Africa for as much as half of its existence, says a Tel Aviv University mathematician. Climate change,...

JCI online early table of contents: May 15, 2008
15 May 2008
EDITOR'S PICK: Look to the future: new drug reduces one cause of vision loss In the industrialized world, most diseases that cause vision loss do so by altering the permeability of the blood vessels in the retina of the eye such that fluid...

Geneticists at the American Museum of Natural History trace the evolution of St. Louis encephalitis
15 May 2008
Solving the mystery of disease origins Before West Nile virus arrived in this country, we had (and still have) a home-grown relative of this pathogen. An epidemic of unknown origin exploded around St. Louis, Missouri in the autumn of 1933, a...

Chemical Structure Association Trust honors Prof. Dr. Alexander Lawson with 2008 Mike Lynch Award
15 May 2008
In recognition of his major contributions to the field of cheminformatics and development of CrossFire Beilstein Frankfurt, Germany, May 15, 2008 – Alexander “Sandy” Lawson, PhD, Director, Research & Development, Elsevier...

New findings on ocean nitrogen
15 May 2008
As much as a third of the nitrogen entering the world’s oceans from the atmosphere is man-made, according to new findings by an international team of scientists. This has significant implications for global climate change because the...

'Innocence' argument dramatically changed death penalty public support, policy
15 May 2008
University Park, Pa. -- The recent execution of a convicted murderer in Georgia and a Supreme Court ruling upholding the constitutionality of a form of lethal injection have prompted fears of a rush to executions nationwide. But American...

Jaguar upgrade brings ORNL closer to petascale computing
15 May 2008
OAK RIDGE, Tenn., May 15, 2008 – Upgrades to Oak Ridge National Laboratory’s Jaguar supercomputer have more than doubled its performance, increasing the system’s ability to deliver far-reaching advances in climate studies,...

HIV infection stems from few viruses
15 May 2008
Study is clearest picture yet of precisely those viruses responsible for HIV transmission BIRMINGHAM, Ala. – A new study reveals the genetic identity of human immunodeficiency virus (HIV), the version responsible for sexual transmission,...

Dr. Anthony Fauci reflects on 25 years of HIV
15 May 2008
On the 25th anniversary of the first scientific article linking a retrovirus to AIDS, Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health, reflects in an...

Connecting cancer genes
15 May 2008
Study implicates 350 gene regions in cancer development in the mouse A large genetic study in mice has identified hundreds of genes involved in the development of cancer by examining the DNA of more than 500 lymphomas to find the cancer causing...

Embryonic pathway delivers stem cell traits
15 May 2008
CAMBRIDGE, Mass. (May 15, 2008) – Studies of how cancer cells spread have led to a surprising discovery about the creation of cells with adult stem cell characteristics, offering potentially major implications for regenerative medicine...

Animal behavior turned into robots and more at 4th international AMAM symposium
15 May 2008
CLEVELAND—Building a machine that moves like a cockroach, salamander, fish or another creature is no easy task. Over 100 of the world’s pioneering engineers, biologists and neuroscientists who have contributed to building...

Addressing the 'nitrogen cascade'
15 May 2008
Papers in Science discuss incessant cycling of reactive nitrogen in environment While human-caused global climate change has long been a concern for environmental scientists and is a well-known public policy issue, the problem of excessive...

Key molecule discovered in Venus's atmosphere
15 May 2008
Venus Express has detected the molecule hydroxyl on another planet for the first time. This detection gives scientists an important new tool to unlock the workings of Venus’s dense atmosphere. Hydroxyl, an important but...

National Science Board approves UCAR proposal to manage NCAR
15 May 2008
BOULDER--The National Science Board has authorized the National Science Foundation to negotiate a new cooperative agreement with the University Corporation for Atmospheric Research (UCAR) to continue to manage and operate its flagship weather...

New NOAA ocean observing system in Pascagoula aids mariners
15 May 2008
Keeps shipping safe Mariners can now get free real-time information on water and wind conditions for the Port of Pascagoula, Miss., from a new NOAA ocean observing system at the port. The NOAA Physical Oceanographic Real-Time System...

Celebrex shows benefit in first-of-its-kind lung cancer chemoprevention trial
15 May 2008
Edward Kim, M.D., assistant professor in M. D. Anderson's Department of Thoracic Head and Neck Medical Oncology. Click here for more information. HOUSTON - Celecoxib, the anti-inflammatory medication also known by...

Most ethnic minority teens don't hang out with ethnic school crowds
15 May 2008
Peer relationships are an important part of adolescence for most American adolescents. As teens find their places in the peer system in most high schools, crowds define most students’ status and reputation. Today, schools and communities...

Reducing intake of dietary fat prevents prostate cancer in mice
15 May 2008
Finding may lead to new strategies to fight disease in men Scientists with UCLA’s Jonsson Cancer Center and the Department of Urology have showed that lowering intake of the type of fat common in a Western diet helps prevent prostate...

Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish
15 May 2008
Adaptation coincides with the '60s cleanup of toxic pollution in Seattle's Lake Washington SEATTLE – Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback,...

Pre-K students benefit when teachers are supportive
15 May 2008
Study findings are important for federal and state investments in early education States are investing considerable amounts of money in pre-kindergarten programs for 4-year-olds. A new study finds that the quality of interactions between...

Crystal (eye) ball: Study says visual system equipped with 'future seeing powers'
15 May 2008
New research categorizes more than 50 types of illusions that help us perceive the present The Hering illusion is exemplified by the perceived curvature of the straight lines near the vanishing point in the center of the...

Genes may play role in risk assessment for prostate cancer among Hispanics and caucasians
15 May 2008
PHILADELPHIA – Genetic differences may explain the greater risk for prostate cancer among Caucasian men compared with Hispanic men, which could help clinicians predict who is more likely to develop the disease, according to a paper...

Spillover effects of family and school stress linger in adolescents' daily lives
15 May 2008
Teenagers today face increasing pressures and demands from school and home. New research has found that stress at home affects adolescents’ school life, and vice versa. What’s more, that stress lasts for two days and affects...

LIDAR imaging detector could build 'super road maps' of planets and moons
15 May 2008
RIT effort could extend NASA science capabilities for planetary applications Technology that could someday “MapQuest” Mars and other bodies in the solar system is under development at Rochester Institute of Technology’s...

Partnership of academic centers and community hospitals effective model for disseminating advances
15 May 2008
CHICAGO -- A quality-control audit of community hospitals associated with Fox Chase Cancer Center in Philadelphia suggests that a partnership between a major academic cancer center, where most new treatment protocols are created, and community...

Teens' perception that they are liked found to be at least as important as actually being liked
15 May 2008
We all know that children who are popular do well socially. A new study has found that teenagers who feel good about themselves and are comfortable with their peers can also be socially successful without being popular in the traditional...

Common virus may serve as target for vaccine in fight against deadly brain tumors
15 May 2008
DURHAM, N.C. – By targeting a common virus, doctors may be able to extend the lives of patients diagnosed with the most prevalent and deadly type of brain tumor, according to a study led by researchers in Duke’s Preston Robert...

Research puts new wrinkle in study of materials folding under pressure
15 May 2008
Ka Yee Lee, associate professor in chemistry at the University of Chicago, and her associates study the characteristics of lung surfactant, a microscopically thin membrane that facilitates breathing. Click here for more...

Small primate ancestors had a leg up
15 May 2008
Climbing as easy as walking for smaller primates DURHAM, N.C. – Smaller primates expend no more energy climbing than they do walking, Duke University researchers have found. This surprising discovery may explain the evolutionary edge that...

AUA 2008: Baseline PSA reading a reliable prostate cancer predictor for up to 30 years
15 May 2008
ORLANDO, FL, May 18, 2008—Premalignant phases of prostate cancer occur over long periods of time and a single prostate-specific antigen (PSA) reading taken at age 44-50 can help predict prostate cancer diagnosis up to 30 years...

Larger horns a gamble for young Soay sheep
15 May 2008
When it comes to winning mates, larger horns are an asset for male Soay sheep. But those that grow them may be putting their young lives on the line, according to a study published online on May 15th in Current Biology, a publication of Cell...

Targeted therapy plus chemotherapy may pack 1-2 punch against melanoma
15 May 2008
DURHAM, N.C. -- By targeting and disabling a protein frequently found in melanoma tumors, doctors may be able to make the cancer more vulnerable to chemotherapy, according to a new study by researchers in the Duke Comprehensive Cancer...

Plant biologists discover unexpected proteins affecting small RNAs
15 May 2008
LA JOLLA, CA - Now that high school biology students can recite that genes are made of DNA, which is transcribed into messenger RNA (mRNA), which is then translated into protein, along comes a new class of molecules, sending students—and...

Protein predicts Gleevec resistance in gastrointestinal tumors
15 May 2008
Discovery points researchers toward alternate therapies Excess amounts of a protein called IGF-1R in patients with gastrointestinal stromal tumors (GISTs) could indicate that the patient would be less responsive to the drug imatinib mesylate...

MIT crafts bacteria-resistant films
15 May 2008
Team finds that microbe adhesion depends on surface stiffness CAMBRIDGE, Mass.--Having found that whether bacteria stick to surfaces depends partly on how stiff those surfaces are, MIT engineers have created ultrathin films made of polymers...

Young children with OCD benefit from family-based treatment
15 May 2008
Psychotherapy reduces OCD symptoms, helps some achieve clinical remission PROVIDENCE, R.I. – Although children as young as 5 can be diagnosed with obsessive-compulsive disorder (OCD), few research studies have looked at treatments...

Can one 'pin down' electrons?
15 May 2008
First measurement of entangled states in nitrogen What was the initial location of the electron before it was ejected from the dumbbell-shaped nitrogen molecule by a high-energy photon (blue)? The diagram shows the probability...

M. D. Anderson nurses find empowerment in PACTs
15 May 2008
Ad hoc, multidisciplinary teams see major growth in participation PHILADELPHIA - According to nurse-researchers at The University of Texas M. D. Anderson Cancer Center in Houston, participation among nurses in the institution's unique...

Stowers Institute researchers identify gene linked to vertebral defects in patient populations
15 May 2008
Stowers Institute researchers Karen Staehling-Hampton, Ph.D., Managing Director of Molecular Biology, and Olivier Pourquié, Ph.D., Investigator, collaborated with colleagues from around the world to show that genes known to cause spinal...

UCSD researchers show link between vitamin D status, breast cancer
15 May 2008
Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego (UCSD) and the Department of Family and Preventive Medicine have shown a clear association between...

Adolescents' values can serve as a buffer against behaving violently at school
15 May 2008
Researchers in Israel have found that teenagers’ values helped determine whether or not they engaged in violent behavior at school, especially in schools where violence was common. The researchers are from the Hebrew University of...

Adding up business and energy
15 May 2008
Can a profit-boosting approach save energy too? Could a business practice usually reserved for boosting profits be used to help turn companies green by reducing their energy use? Writing in the International Journal of Six Sigma and Competitive...

SCAI announces 2009 annual scientific sessions in Las Vegas
15 May 2008
Premier interventional cardiology meeting to be held in May WASHINGTON, D.C. -- May 15, 2008 -- The Society for Cardiovascular Angiography and Interventions (SCAI) today announced that it will hold its 2009 Annual Scientific Sessions May 6-9,...

Obesity and unhealthy lifestyles linked to more complex urinary problems
15 May 2008
People with a lower social economic status also suffer more urinary issues People who are obese and lead unhealthy lifestyles are more likely to suffer from a larger number of urinary problems, according to a population-based study of more than...

Does fishing on drifting fish aggregation devices endanger the survival of tropical tuna?
15 May 2008
Fishermen hold empirical knowledge that tuna aggregate under floating objects, such as lengths of old rope, pieces of wood, or even large marine mammals. There is still no full explanation for this aggregation behaviour, but the past 20 years...

AUA 2008: Maternal exposure to persistent organic pollutants linked to urologic conditions in boys
15 May 2008
ORLANDO, FL, MAY 18, 2008—Higher incidences of congenital anomalies, including cryptorchidism (undescended testicles) and hypospadias, were found in boys whose mothers had higher serum levels of certain organochlorine compounds,...

Drug therapy to bolster immune system cells found effective toward childhood cancer
15 May 2008
Combination could help children fight cancer without additional harsh therapies Dean Lee, M.D., Ph.D., assistant professor of pediatrics from the Children's Cancer Hospital at M. D. Anderson Click here for more...

New driver of brand extension success found by University of Minnesota professor
15 May 2008
Brand extensions, like Jeep’s strollers, Maxim’s hair color, or Apple’s iTunes are lucrative ways that a brand can increase its revenue and customer base-or confuse and alienate them. In an increasingly borderless world in...

An ancient protein balances gene activity and silences foreign DNA in bacteria
15 May 2008
A combination of genomics and proteomics yields a surprising finding NEW YORK, May 15, 2008 – Compared to humans, bacteria have a much tidier genome. The tiny microorganisms pack their genes closely together, and don’t carry around...

New study reveals hidden neotropical diversity
15 May 2008
Cornell biology professor Marty Condon. Click here for more information. MOUNT VERNON, IOWA - In an article published this week in Science Cornell College biology professor Marty Condon and coauthors turn current...

Teenage girls still experience harassment
15 May 2008
Girls and women have made dramatic strides toward gender equality in the United States. Role models and opportunities for girls in science, technology, and sports exist today that were not available 50 years ago. Despite these advances,...

Having less power impairs the mind and ability to get ahead, study shows
15 May 2008
New research appearing in the May issue of Psychological Science, a journal of the Association for Psychological Science, suggests that being put in a low-power role may impair a person’s basic cognitive functioning and thus, their...

Boffinry and Baftas: Brothers' double doctorates
15 May 2008
An acclaimed Nottingham scientist and his celebrated brother will each receive honorary doctorate degrees — at the same graduation ceremony. Last year each brother was named in the Queen’s Honours — and both received the...

New study strengthens association of prostate cancer with exposure to Agent Orange
15 May 2008
In Vietnam veterans ORLANDO, FL, May 18, 2008—As men age, their risk of developing prostate cancer increases. Aging Vietnam veterans are giving researchers new opportunities to solidify the connection between in-country exposure to Agent...

AUA 2008: Legislation needed to provide coverage for ed treatment after prostatectomy
15 May 2008
ORLANDO, FL., May 18, 2008— Men who have developed erectile dysfunction (ED) following surgery for prostate cancer usually do not have insurance coverage for ED treatment even though their insurance policies cover surgery for prostate...

Regular prostate-specific antigen screening may be discontinued in certain elderly populations
15 May 2008
ORLANDO, FL, May 21, 2008—Men aged 75-80 with prostate-specific antigen (PSA) levels less than 3 ng/ml may be able to discontinue their regular prostate cancer screenings, according to new research presented today during the Annual...

Adding epratuzumab to standard therapy
15 May 2008
Study to be presented at the American Society of Clinical Oncology annual meeting ROCHESTER, Minn. -- Adding a second monoclonal antibody drug to chemotherapy looks promising for treatment of diffuse large B-cell lymphoma, according to Mayo...

AUA 2008: Gastric bypass surgery restores sexual function in morbidly obese men
15 May 2008
ORLANDO, FL, May 19, 2008 – Losing weight may help resolve erectile dysfunction in obese men, according to research presented today at the 103rd Annual Scientific Meeting of the American Urological Association (AUA). Morbid obesity can...

Land tenure conflict in Kenya turning into strong inter-ethnic territorial claims
15 May 2008
Kenya’s recent history has been dotted with several intense episodes of land-ownership conflict, starting in the early 1950s with the bloody repression of the Mau Mau movement by the British colonial power. This conflict caused 11 000...

Study suggests blood test can help improve treatment outcomes for breast cancer patients
15 May 2008
Georgetown researchers say circulating tumor cells are a reliable predictor of treatment response in metastatic breast cancer; Treatment change could occur sooner Washington, DC -- With the goal of tailoring cancer treatment for each...

Population growth in Reunion: A strong point for the island's economic expansion?
15 May 2008
Bourbon Island, as Reunion was then called, was populated around the mid XVIIth Century by French settlers. The isle had to wait until the XXth Century before seeing any rapid increase in its population. Reunion, in administrative terms now...

IADR and GlaxoSmithKline Consumer Healthcare announce winners
15 May 2008
Alexandria, Va. – The International Association for Dental Research (IADR) and GlaxoSmithKline (GSK) Consumer Healthcare today announced the 2008 winners of the annual IADR/GSK Innovation in Oral Care Awards. The three prestigious awards...

ACP, ACP Foundation Diabetes Initiative plans for 2 more years
15 May 2008
The Diabetes Initiative of the American College of Physicians (ACP) and the ACP Foundation released new information on the first three years of its project to improve diabetes care primarily through special efforts targeting physicians’...

Study shows that administering calcium and magnesium effectively reduces neurological sensitivity
15 May 2008
Study to be presented at the American Society of Clinical Oncology ROCHESTER, Minn. -- Researchers in the North Central Cancer Treatment Group (NCCTG) have shown that patients who receive intravenous calcium and magnesium before and after the...

Cancer patients' quality of life directly relates to their survival
15 May 2008
Study to be presented at the American Society of Clinical Oncology annual meeting ROCHESTER, Minn. -- Patients who feel better live longer, say Mayo Clinic researchers, working with the North Central Cancer Treatment Group (NCCTG), in study...

AUA 2008: Current regenerative medical techniques hold great promise for bladder regeneration
15 May 2008
ORLANDO, FL, May 18, 2008 – Bladder regeneration via a neo-bladder replacement may prove to be effective in humans. The results of a new study, conducted in large mammals, presented today at the 103rd Annual Scientific Meeting of the...

Simple model cell is key to understanding cell complexity
15 May 2008
The model cell developed in the lab of Christine D. Keating at Penn State uses as the cytoplasm a solution of two different polymers, PEG and dextran (Panel A).... Click here for more information. A team of Penn...

AUA 2008: Unique experience with civilian bladder trauma in Baghdad
15 May 2008
ORLANDO, FL, May 17, 2008 – Al Yarmouk Teaching Hospital in Baghdad is one of Iraq's most well-known trauma centers; it is frequently mentioned in U.S. news reports from Baghdad. Fighting in Iraq has produced many civilian casualties...

Study takes a step toward better defining fatigue
15 May 2008
M. D. Anderson study identifies common threads among cancer patients receiving radiation therapy PHILADELPHIA - In an effort to better define and ultimately address fatigue more effectively, a qualitative study from The University of Texas M....

Therapeutic vaccine prolongs survival and improves quality of life
15 May 2008
In patients with metastatic prostate cancer ORLANDO, FL, MAY 18, 2008—A new prostate cancer vaccine may give hope to men with metastatic prostate cancer by enabling their immune systems to fight the disease. Researchers from the...

AUA 2008: Active surveillance a viable option for low-risk prostate cancer
15 May 2008
Studies underscore strong need for reliable clinical predictors of disease progression ORLANDO, FL, May 18, 2009—Active surveillance remains a viable option for low-risk, localized prostate cancer, according to two studies presented today...

Muscle-derived stem cells prove effective in reparing sphincter damage to restore continence
15 May 2008
ORLANDO, FL, May 20, 2008 – Transplantation of muscle-derived stem cells may provide a safe and effective treatment for patients suffering from urinary incontinence following a surgical procedure. Two studies presented today at the 103rd...

AUA 2008: Maxi-K gene transfer may prove to be safe and effective erectile dysfunction treatment
15 May 2008
ORLANDO, FL, May 20, 2008- Maxi-K gene therapy may be a safe and effective future option for men whose erectile dysfunction (ED) is not treatable with oral therapy. Two studies presented today at the 103rd Annual Scientific Meeting of the...

Study finds parents use cough medicines on under-2s despite the warnings
15 May 2008
More than 40 per cent of parents have used cough medicine for children younger than two – even though it is not recommended, nor proven effective for children in this age group, an Australia-first study has found. The joint University...

Venus Express discovers hydroxyl in the atmosphere of Venus through its nightglow emission
15 May 2008
Astronomy & Astrophysics is publishing the first detection with the Venus Express spacecraft of hydroxyl (OH) in the atmosphere of Venus. The OH “radical” is a very special and reactive molecule, which is unusual in...

New Mount Sinai research tracks effects of addictive drugs on brain
15 May 2008
Mount Sinai researchers may have unlocked the key to better understanding the effect addictive drugs have on the human brain. Researchers have just published the new breakthrough study, “Design Logic of a Cannabinoid Receptor Signaling...


Mastectomies on the rise and MRI use may explain part of the trend, say Mayo researchers
15 May 2008
Study to be presented at the American Society of Clinical Oncology annual meeting ROCHESTER, Minn. -- The number of women undergoing mastectomy (total breast removal) for early-stage breast cancer has increased in the last three years at Mayo...

New study casts further doubt on risk of death from higher salt intake
15 May 2008
May 15, 2008 – (BRONX, NY) – Contrary to long-held assumptions, high-salt diets may not increase the risk of death, according to investigators from the Albert Einstein College of Medicine of Yeshiva University. They reached their...

AUA 2008: Uric acid stones may indicate arteriosclerotic diseases
15 May 2008
ORLANDO, FL, May 20, 2008– Patients with metabolic syndrome disorders, including diabetes and high cholesterol, may be more likely to develop uric-acid stones than other type of calculi, according to research presented today at the 103rd...

Why nations fail to act
15 May 2008
Loss of feeling after first victim can allow atrocities to occur Logical argument and vivid news media images can motivate people to act to relieve suffering. Images seem to be the key to conveying feeling and meaning, though...

AUA 2008: Definition of premature ejaculation by International Society for Sexual Medicine
15 May 2008
ORLANDO, FL, May 19, 2008 – Despite the fact that it has long been a major concern for men, an evidence-based definition for premature ejaculation has not existed until now. In October 2007, the International Society for Sexual Medicine...

Culture affects how teen girls see harassment
15 May 2008
LEXINGTON, Ky. (May 15, 2008) − Teenage girls of all ethnic and socioeconomic backgrounds still experience sexism and sexual harassment – but cultural factors may control whether they perceive sexism as an environmental problem or...

Lung cancer patients can tolerate post-surgery exercise, and can benefit from it
15 May 2008
DURHAM, N.C. -- Patients who have undergone surgical procedures for the removal of lung cancer can tolerate and benefit from exercise regimens started just a month after surgery, according to a new study led by researchers at the Duke...

Preventing falls important for stroke patients
15 May 2008
DALLAS, May 16 — Stroke patients are at high risk for falls and subsequent injuries after leaving the hospital, but prevention programs may reduce this risk, New Zealand researchers reported in Stroke: Journal of the American Heart...

Chemotherapy might help cancer vaccines work
15 May 2008
DURHAM, N.C. – Chemotherapy given in conjunction with cancer vaccines may boost the immune system’s response, potentially improving the effectiveness of this promising type of cancer therapy, according to a study by researchers in...

AUA 2008: Global warming may lead to increase in kidney stones disease
15 May 2008
ORLANDO, FL, May 20, 2008 – Rising global temperatures could lead to an increase in kidney stones, according to research presented today at the 103rd Annual Scientific Meeting of the American Urological Association (AUA). Dehydration has...

Green tea compounds beat OSA-related brain deficits
15 May 2008
Chemicals found in green tea may be able to stave off the cognitive deficits that occur with obstructive sleep apnea (OSA), according to a new study published in the second issue for May of the American Thoracic Society’s American...

Medical College of Wisconsin researchers identify proteins that help develop mammalian hearts
15 May 2008
The absence of two proteins in mammalian embryos prevents the development of a healthy heart, a new study by researchers at the Medical College of Wisconsin, Milwaukee, has found. The study, which appears in the May 15 issue of Developmental...

Pioneering landscape-scale research releases first findings
15 May 2008
The May issue of the Canadian Journal of Forest Research presents the preliminary findings of 23 scientists involved in one of the first landscape-scale experiments on how forest management affects western Ponderosa pine ecosystems. The...

Americans must consider cost and effectiveness when comparing and choosing medical interventions
15 May 2008
Findings reflected in policy paper by American College of Physicians Washington, May 15, 2008 – The American College of Physicians (ACP) proposed today a means to improve physician and patient access to and use of information about...

AUA 2008: Higher cholesterol increases the risk of biochemical failure after radical prostatectomy
15 May 2008
ORLANDO, FL, May 18, 2008 –Poor cholesterol management may not only affect a man’s risk for prostate cancer, but also his risk of biomedical recurrence after prostatectomy, according to new data from Duke University. Researchers,...

AUA 2008: Retired firefighters could be at increased risk for developing bladder cancer
15 May 2008
ORLANDO, FL, May 19, 2008—A new study presented at the Annual Scientific Meeting of the American Urological Association (AUA) suggests that firefighters may be at an increased risk of developing transitional cell carcinoma (TCC, or...

Nearly 40 percent of GERD patients taking PPIs experience recurring symptoms
15 May 2008
A majority of patients self-medicate with over-the-counter remedies Despite daily use of doctor-recommended proton pump inhibitors (PPIs) to control gastroesophageal reflux disease (GERD) symptoms, nearly 40 percent of patients who take them...

External-beam radiation therapy for localized prostate cancer linked to other cancer
15 May 2008
Bladder, lung and colorectal cancers ORLANDO, FL, May 18, 2008—Patients undergoing external-beam radiation therapy (EBRT) for localized prostate cancer may be at an increased risk for secondary malignancy, according to a study from...

Hidden heart condition increases the risk of death in patients waiting for kidney transplants
15 May 2008
Considering this new risk factor could change organ distribution policies Dr. Angelo M. de Mattos. Click here for more information. Washington, DC (Thursday, May 15, 2008) — An often asymptomatic...

AUA 2008: Lower urinary tract symptoms place eldery men at risk for falls
15 May 2008
ORLANDO, FL, May 18, 2008 – A greater likelihood of falling may be linked to lower urinary tract symptoms (LUTS) in elderly men. Falls are a common source of preventable morbidity in the elderly population and, according to research...

AUA 2008: Access to urologists and prostate cancer screenings lead to better outcomes for patients
15 May 2008
ORLANDO, FL, May 21, 2008—Men with greater access to prostate cancer screenings and treatment have better outcomes from the disease, a new study shows. Urologist population density was directly related to increased numbers of screening...

Race, family history or baseline PSA: Which best predicts prostate cancer risk?
15 May 2008
ORLANDO, FL, May 18, 2008—African-American men with family histories of prostate cancer could benefit from a baseline prostate-specific antigen (PSA) reading to determine their probability of developing the disease. Researchers from...

How small molecule can take apart Alzheimer's disease protein fibers
15 May 2008
Implications for host of neurodegenerative diseases Alzheimer's fibers without DAPH (left). Note uniform fibers. Alzheimer's proteins with DAPH (right). Note fibers have broken up. Click here for more...

Electric shocks can cause neurologic and neuropsychological symptoms
15 May 2008
Université de Montréal study in American Journal of Emergency Medicine This release is available in French. Montreal, May 14, 2008 – Canadian researchers have shown that an electric shock ranging from 120 to 52,000 volts...

U of Saskatchewan distinguished researcher finds an SOS response to cancer-causing agents
15 May 2008
Saskatoon, SK: University of Saskatchewan microbiologist Wei Xiao has found a way to trigger a protein combination called 9-1-1 that sends an SOS signal for cells to fight cancer-causing agents such as industrial toxins, ultraviolet radiation,...

Immune cells kill foes by disrupting mitochondria 2 ways
15 May 2008
BOSTON, Mass. (May 15, 2008)—When killer T cells of the immune system encounter virus-infected or cancer cells, they unload a lethal mix of toxic proteins that trigger the target cells to self-destruct. A new study shows T cells can...

AUA 2008: Carbon-coated nanomagnets as potential hyperthermia agents
15 May 2008
ORLANDO, FL, May 19, 2008 – Carbon-coated nanomagnets may offer a new form of cancer treatment. Research presented today at the 103rd Annual Scientific Meeting of the American Urological Association (AUA) suggests that nanoparticles...

Survivors of childhood cancers treated with cyclophosphamide more likely to develop bladder cancer
15 May 2008
Later in life ORLANDO, FL, May 19, 2008—Survivors of childhood cancers treated with the chemotherapy drug cyclophosphamide were five times more likely to develop bladder cancer later in life than the general population. Results of this...

Top grades not always needed to become a doctor
15 May 2008
Top A-level results are not always necessary for students to succeed in medicine, according to the authors of a paper in this week’s BMJ. Students with average grades, who come from economically and educationally deprived areas, can do...

AUA 2008: Low cholesterol leads to lower PSA
15 May 2008
ORLANDO, FL, May 21, 2008 – Managing your cholesterol may also help you manage your prostate- specific antigen (PSA) level. Data presented today at the 103rd Annual Scientific Meeting of the American Urological Association explored the...

Look to the future: New drug reduces one cause of vision loss
15 May 2008
In the industrialized world, most diseases that cause vision loss do so by altering the permeability of the blood vessels in the retina of the eye such that fluid accumulates in the retina impairing eyesight. For many of these diseases, the...

Treating osteoporosis calls for physician, dentist collaboration: ADA Journal
15 May 2008
Oral health maintenance important for patients with osteoporosis CHICAGO, May 15, 2008 – Physicians and dentists should collaborate to improve early detection and treatment of patients who have or may develop osteoporosis, say researchers...

Inject rational argument into embryo debate, says expert
15 May 2008
In the week that the UK parliament debates controversial amendments to the 1990 Human Fertilisation and Embryology Act, Professor John Burn asks at what point a cell becomes a human. Burn is Medical Director of the Institute of Human Genetics...

General practitioners filling the gap left by inadequate dental services, says doctor
15 May 2008
A shortage of NHS dentists means that general practitioners (GPs) have been left to do dentists’ work without adequate remuneration, argues a doctor in a letter in this week’s BMJ. An increasing number of patients are visiting GP...

 
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