Brightsurf Science News & Current Events

March 01, 2010
A new generation of rapid-acting antidepressants?
In a new issue of Biological Psychiatry, published by Elsevier, researchers from the National Institutes of Health report that another medication, scopolamine, also appears to produce replicable rapid improvement in mood.

Preventing or reversing inflammation after heart attack, stroke may require 2-pronged approach
Researchers at Albany Medical College are releasing results of a study this week that they say will help refocus the search for new drug targets aimed at preventing or reversing the devastating tissue inflammation that results after heart attack and stroke.

Offspring of 2 psychiatric patients have increased risk of developing mental disorders
Offspring of two parents with schizophrenia or bipolar disorder appear more likely to develop the same illness or another psychiatric condition than those with only one parent with psychiatric illness, according to a report in the March issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Antifreeze proteins can stop ice melt, new study finds
The same antifreeze proteins that keep organisms from freezing in cold environments also can prevent ice from melting at warmer temperatures, according to a new Ohio University and Queen's University study published today in the journal Proceedings of the National Academy of Sciences.

Chagas disease surveillance focuses on palms, undercover bugs
Failure to detect disease vectors may result in increased disease risk.

Regular analgesic use increases hearing loss in men
In a study published in the March 2010 issue of the American Journal of Medicine, researchers determined that regular use of aspirin, acetaminophen and nonsteroidal anti-inflammatory drugs increases the risk of hearing loss in men, particularly in younger men, below age 60.

Staying alive: Insufficient vitamin C causes perinatal lethality in mice
Vitamin C is indispensible for life. We obtain all our vitamin C from out diet and several tightly regulated processes control our vitamin C levels.

Newer cornea transplant surgery shows short- and long-term promise
One year post-surgery, patients who underwent Descemet's stripping automated endothelial keratoplasty (DSAEK) experienced greater cell loss overall compared to those who underwent penetrating keratoplasty (PKP), according to a new analysis of data collected from the Cornea Donor Study Investigator Group's 2008 Specular Microscopy Ancillary Study.

Dark matter lens used to measure age of universe
Astronomers from the United States and Europe have used a gravitational lens -- a distant, light-bending clump of dark matter -- to make a new estimate of the Hubble constant, which determines the size and age of the universe.

Biology may not be so complex after all, Emory physicist finds
Centuries ago, scientists began reducing the physics of the universe into key laws described by a handful of parameters.

Young men and elderly women at biggest risk for shoulder dislocations
The shoulder joint is the most mobile joint in the body and consequently one of the most commonly dislocated joints.

A diagnostic approach to alternatives can lead to better decision-making
Researchers led by Philip Fernbach, a cognitive and linguistic sciences graduate student, have found that individuals are more likely to consider alternative causes when they make diagnoses than when they make decisions about the future.

Examining alcohol use disorders through gene networks instead of individual genes
Multiple genetic, environmental and behavioral factors contribute to alcohol use disorders (AUDs).

Researchers find that sociodemographic characteristics are related to a patient's willingness to participate in cancer screenings
Boston University School of Medicine's researchers have found that sociodemographic characteristics are related to a patients' willingness to participate in cancer screenings.

Fluorescence monitoring and effect of photodynamic therapy for port wine stains
It is known that fluctuations in the treatment outcome of photodynamic therapy between patients are related to the concentration of photosensitizer in target tissue.

EPIC study finds new embolic protection device had 97.5 percent success rate during carotid artery stenting
A multicenter EPIC (FiberNet Embolic Protection System in Carotid Artery Stenting Trial) study found that the FiberNet Embolic Protection System had a 97.5 percent success rate when used in patients undergoing carotid artery stenting.

Ancient corals hold new hope for reefs
Fossil corals, up to half a million years old, are providing fresh hope that coral reefs may be able to withstand the huge stresses imposed on them by today's human activity.

Greener memory from random motion
Heat is often the enemy of computing and data storage, but a new experiment shows it could help reduce the amount of power needed to store data in magnetic memory.

International team of scientists to meet in Panama to discuss future of the world's forests
To monitor forests' response to change requires massive data sets.

News brief: Overexpression of ARD1A gene reduces tumor size and number in mice
Overexpression of the ARD1A gene (arrest-defective protein 1225) in mice reduced the number and size of both primary tumors and metastases, researchers report in a new study published online March 1 in the Journal of the National Cancer Institute.

Researchers fishing for cancer cure discover active DHA derivatives
The next treatment for cancer might come from fish says a new research report published in the March 2010 print edition of the FASEB Journal.

JCI online early table of contents: March 1, 2010
This release contains summaries, links to PDFs, and contact information for the following newsworthy papers to be published online, March 1, 2010, in the JCI:

Chile quake occurred in zone of 'increased stress'
The massive, 8.8-magnitude earthquake that struck Chile Feb. 27 occurred in an offshore zone that was under increased stress caused by a 1960 quake of magnitude 9.5, according to geologist Jian Lin of the Woods Hole Oceanographic Institution.

Long-time cannabis use associated with psychosis
Young adults who have used cannabis or marijuana for a longer period of time appear more likely to have hallucinations or delusions or to meet criteria for psychosis, according to a report posted online today that will appear in the May print issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Staying the course: fruit flies employ stabilizer reflex to recover from midflight stumbles
Observing the aerial maneuvers of fruit flies, Cornell University researchers have uncovered how the insects -- when disturbed by sharp gusts of wind -- right themselves and stay on course.

Obesity associated with depression and vice versa
Obesity appears to be associated with an increased risk of depression, and depression also appears associated with an increased risk of developing obesity, according to a meta-analysis of previously published studies in the March issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Mars Express heading for closest flyby of Phobos
ESA's Mars Express will skim the surface of Mars' largest moon Phobos on Wednesday evening.

Ownership/leasing of PET scanners by nonradiologists on the rise
Just as with computed tomography and magnetic resonance imaging, the growth rate among nonradiologists who own or lease positron emission tomography equipment is also on the rise, contributing significantly to the ongoing issues surrounding self-referral and unnecessary utilization of imaging in the United States, according to a study published in the March issue of the Journal of the American College of Radiology.

Mosquitoes -- not birds -- may have carried West Nile virus across US
Mosquitoes -- not birds as suspected-- -- may have a played a primary role in spreading West Nile virus westward across the United States, according to a study by researchers at the Johns Hopkins Bloomberg School of Public Health.

Latest quality and purity specifications for food ingredients help protect consumers
New and updated quality standards for ingredients used in functional foods and a host of other food products manufactured, sold and consumed every day are included in the newly released seventh edition of the Food Chemicals Codex.

A primer on aspirating breast lumps
A patient with a breast lump that has no features suggesting cancer should still be immediately evaluated, according to a primer for physicians in CMAJ.

Adding ECG to health exams may prevent sudden cardiac death in young athletes
A new study by researchers at the Massachusetts General Hospital Heart Center found that addition of electrocardiogram testing to the standard medical history and physical examination for young athletes may better identify cardiovascular abnormalities responsible for sports-related sudden death.

Protein-bait interactions, display libraries featured in Cold Spring Harbor Protocols
The featured articles for the month of March include

Darkness increases dishonest behavior
Darkness increases dishonest, self-serving behaviors.

Anterior cingulate cortex activity may represent a neurobiological risk for alcohol dependence
Activation of the anterior cingulate cortex (ACC) has been associated with risk factors for alcohol use disorders in adolescents.

NPL makes light work of home grooming
The National Physical Laboratory and the University of Dundee recently assessed the light emitted by a home-use intense-pulsed light (IPL) hair reduction system and confirmed that it is safe.

Academic medical center finds significant amount of inappropriate CT and MRI referrals from primary care physicians
A large academic medical center has found that a significant percentage of outpatient referrals they receive from primary care physicians for computed tomography and magnetic resonance imaging studies are inappropriate (based upon evidence-based appropriateness criteria developed by a radiology benefits management company), according to a study in the March issue of the Journal of the American College of Radiology.

Hormone thought to slow aging associated with increased risk of cancer death
According to a new study accepted for publication in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism, older men with high levels of the hormone IGF-I (insulin-like growth factor 1) are at increased risk of cancer death, independent of age, lifestyle and cancer history.

Astronomically large lenses measure the age and size of the universe
Using entire galaxies as lenses to look at other galaxies, researchers have a newly precise way to measure the size and age of the universe and how rapidly it is expanding.

Study proves conclusively that violent video game play makes more aggressive kids
A new study published in the March 2010 issue of the Psychological Bulletin, an American Psychological Association journal, reports definitively that exposure to violent video games is a causal risk factor for increased aggressive thoughts and behavior, and decreased empathy and prosocial behavior in youths.

Targeted delivery of losartan reduces liver inflammation and scarring
A recent study found that rats with advanced fibrosis that were administered a short-term dose of losartan-M6PHSA had reduced liver inflammation and fibrosis.

GenWay Biotech's You Test You puts early cancer detection tool in the hands of consumers
The You Test You platform enables individuals to directly access cancer testing, and be proactive about their health.

Infants do not appear to learn words from educational DVDs
Among 12- to 24-month old children who view educational baby videos, there does not appear to be evidence that overall general language learning improves or that words featured in the programming are learned, according to a report posted online today that will appear in the May print issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Thiopurine therapy improves quality of life
Patients with inflammatory bowel diseases (IBDs) such as Crohn's disease or ulcerative colitis do perceive a benefit from thiopurine treatment.

Different fat types can help or hinder obese girls' bone health
According to a new study accepted for publication in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism, obese teenage girls with a greater ratio of visceral fat (fat around internal organs) to subcutaneous fat (fat found just beneath the skin) are likely to have lower bone density than peers with a lower ratio of visceral to subcutaneous fat.

$300,000 CIHR grant awarded to Medicago, the Research Institute of the MUHC and McGill University
The Canadian Institutes of Health Research have awarded a $300,000 grant for research focusing on the nature of the immune response induced by the action mechanisms of plant-made Virus-Like Particles to Dr.

Canine morphology: Hunting for genes and tracking mutations
Why do domestic dogs vary so much in size, shape, coat texture, color and patterning?

Genome-wide study of alcohol dependence points to chromosome 11
Both genetic and environmental factors affect susceptibility to alcohol dependence (AD).

K-State researcher's award for project to make ocean algae oil production more economical
A Kansas State University researcher's work on making the costs of algae oil production more economical is being recognized by the National Science Foundation's Faculty Early Career Development Program.

Foster Friess commits up to $50,000 to help TGen fight ovarian cancer
Moved by the death of an employee's daughter, prominent international businessman and philanthropist Foster Friess will make a substantial contribution to fund ovarian cancer research at the Translational Genomics Research Institute.

'Mean' girls and boys: the downside of adolescent relationships
Psychology researchers exploring relational aggression and victimization in 11-13-year-olds have found adolescent boys have a similar understanding and experience of

Atmospheric nanoparticles impact health, weather professor says
Nanoparticles are atmospheric materials so small that they can't be seen with the naked eye, but they can very visibly affect both weather patterns and human health all over the world -- and not in a good way, according to a study by a team of researchers at Texas A&M University.

Connecting science with culture
Researchers from the University of Hawaii at Manoa transformed an agricultural and environmental science professional development course for K-12 teachers to strengthen the community of educators and build stronger connections between science and culture.

Ancient DNA from rare fossil reveals that polar bears evolved recently and adapted quickly
DNA from a rare, ancient polar bear fossil is yielding information about the response of the species to the devastation wrought by past climate changes.

Proposed industry effort to reduce salt in food could save lives, money, Stanford/VA study shows
A voluntary effort by the US food service industry to reduce salt in processed foods could have far-reaching implications for the health of the US population, preventing strokes and heart attacks in nearly a million Americans and saving $32.1 billion in medical costs, according to a new study by researchers at the Stanford University School of Medicine and the Veterans Affairs Palo Alto Health Care System.

UM School of Medicine finds prenatal cocaine exposure not severely damaging to growth, learning
Children exposed to cocaine in the womb face serious consequences from the drug, but surprisingly not in certain critical physical and cognitive areas such as growth, IQ, academic achievement and learning ability, according to a new comprehensive review of research.

Program delivers healthy behaviors door-to-door
Behavioral interventions have been shown to be very effective in helping new mothers cut down on second hand exposure for their babies.

No more dithering on e-health
Canada is lagging behind many countries in the use of electronic health records and it is critical that the country's medical and political leaders set targets for universal adoption, states an editorial in CMAJ.

El NiƱo and a pathogen killed Costa Rican toad, study finds
Scientists broadly agree that global warming may threaten the survival of many plant and animal species; but global warming did not kill the Monteverde golden toad, an often cited example of climate-triggered extinction, says a new study.

Predicting the fate of stem cells
Researchers at Rensselaer Polytechnic Institute have discovered a new method for predicting -- with up to 99 percent accuracy -- the fate of stem cells.

New fossil snake from India fed on hatchling dinosaurs
The remains of an extraordinary fossil unearthed in 67 million-year old sediments from Gujarat, western India, provide a rare glimpse at an unusual feeding behavior in ancient snakes.

Pesticide atrazine can turn male frogs into females
The herbicide atrazine, one of the world's most widely used pesticides, wreaks havoc with the sex lives of adult male frogs, emasculating three-quarters of them and turning one in 10 into females, according to a new study by UC Berkeley biologists.

New testing method hints at garlic's cancer-fighting potential
Researchers have designed a urine test that can simultaneously measure the extent of a potential carcinogenic process and a marker of garlic consumption in humans.

Weight loss diets significantly reverse arterial clogging -- Ben-Gurion University study
According to the just Ben-Gurion University study published in Circulation, the leading journal of the American Heart Association, the researchers used novel technique imaging of three-dimensional ultrasound at the beginning and after two years, measuring changes in carotid artery vessel thickening of plaque to determine whether diet can reverse atherosclerosis, a process that naturally increases with age.

Mayo Clinic introduces 2 consumer mobile applications
Mayo Clinic is launching two research-based consumer applications (apps) for iPhone and iPod Touch this quarter, the first in a variety of mobile health products and services supporting the goal of making Mayo's expertise available to anyone, anywhere, anytime.

Surrounded by Science
The Center for Advancement of Informal Science Education, with support from NSF, is hosting a two-day summit designed to underscore the critical role of informal science education.

If bonobo Kanzi can point as humans do, what other similarities can rearing reveal?
You may have more in common with Kanzi, Panbanisha and Nyota, three language-competent bonobos living at Great Ape Trust, than you thought.

Researchers determine how ATP, molecule bearing 'the fuel of life,' is broken down in cells
Researchers at the Louisiana State University Health Sciences Center have figured out how ATP is broken down in cells, providing for the first time a clear picture of the key reaction that allows cells in all living things to function and flourish.

ECG testing of young athletes cost-effective in preventing deaths, Stanford study shows
Routine testing of the hearts of young American athletes using electrocardiograms to screen for sudden death is

Stanford scientists first to identify wide variety of genetic splicing in embryonic stem cells
Like homing in to an elusive radio frequency in a busy city, human embryonic stem cells must sort through a seemingly endless number of options to settle on the specific genetic message, or station, that instructs them to become more-specialized cells in the body.

Pandemic flu, like seasonal H1N1, shows signs of resisting Tamiflu
If the behavior of the seasonal form of the H1N1 influenza virus is any indication, scientists say that chances are good that most strains of the pandemic H1N1 flu virus will become resistant to Tamiflu, the main drug stockpiled for use against it.

California to examine health impacts of landmark cap-and-trade program
The Health Impact Project today announced the award of a $150,000 grant to the Oakland-based Public Health Institute to collaborate with the California Department of Public Health on a health impact assessment of a proposed

New dinosaur rears its head; U-M researchers part of team announcing find
The remains of a new herbivorous sauropod dinosaur, discovered near the world-famous Carnegie Quarry in Dinosaur National Monument, may help explain the evolution of the largest land animals ever to walk the earth.

Genetically engineered tobacco plant cleans up environmental toxin
Tobacco might become as well known for keeping us healthy as it is for causing illness thanks to researchers from the UK.

Widening the search for extraterrestrial intelligence
Writing exclusively in March's Physics World, Davies, director of BEYOND: Center for Fundamental Concepts in Science at Arizona State University in the US, explains why the search for radio signals is limited and how we might progress.

Hospices not deactivating defibrillators in patients
Researchers from Mount Sinai School of Medicine have found that patients admitted to hospice care who have an implantable cardioverter defibrillator (ICD) are rarely having their ICDs deactivated and are receiving electrical shocks from these devices near the end of life.

New tool to predict early death or hospital readmission
A new tool can help physicians predict the likelihood of death or readmission to hospital for patients within 30 days of discharge from hospital, according to a new study in CMAJ.

Brain holds early signs of glaucoma
Researchers are now a step closer to deciphering a leading cause of blindness in the United States -- glaucoma.

Parents whose children are dying of cancer may consider hastening the process
In a study of 141 parents whose children have died of cancer, more than 10 percent reported that they considered hastening their child's death, especially if the child was in pain, according to a report in the March issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Drug dramatically reduces nausea and vomiting in bone marrow transplant patients
Bone marrow transplant patients say two of the most debilitating side effects of the treatment are nausea and vomiting caused by chemotherapy and radiation.

Study: Women need clot-busting therapy after stroke
New research shows women who don't receive a clot-busting drug after a stroke fare worse than men who are not treated.

Discovery in legumes could reduce fertilizer use, aid environment: Stanford researchers
Escalating use of nitrogen fertilizer is increasing algal blooms and global warming, but a discovery by Stanford researchers could begin to reverse that.

Tiny shelled creatures shed light on extinction and recovery 65 million years ago
An asteroid strike may not only account for the demise of ocean and land life 65 million years ago, but the fireball's path and the resulting dust, darkness and toxic metal contamination may explain the geographic unevenness of extinctions and recovery, according to Penn State geoscientists.

Analytical eye: Viewing through the data jungle
Unmanageable volumes of data accumulate in our digitized working world.

Having greater purpose in life associated with a reduced risk of Alzheimer's disease
Individuals who report having greater purpose in their lives appear less likely to develop Alzheimer's disease or its precursor, mild cognitive impairment, according to a report in the March issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Extremes in sleep duration are related to increases in abdominal fat in minority young adults
A study in the March 1 issue of the journal Sleep shows that African-American and Hispanic young adults with short or long sleep durations had greater increases in belly fat over a five-year period compared with those who reported sleeping six to seven hours a night.

Cluster of 'critical' follow-up evaluations may improve outlook for hospitalized HF patients
Heart failure is by far the most prevalent chronic cardiac condition.

Scientists find community involvement, not only enforcement, drives success of marine reserves
In one of the most comprehensive global studies of marine reserves, a team of natural and social scientists has found that community involvement is among the most important factors driving the success of marine reserves.

Small wings travel far to spread West Nile virus
West Nile virus set the country abuzz when it rapidly spread from coast to coast just a few years after arriving in the United States.

Frequent napping is associated with increased risk of type 2 diabetes in older adults
A study in the March 1 issue of the journal Sleep shows that frequent napping is associated with an elevated prevalence of type 2 diabetes and impaired fasting glucose in an older Chinese population.

Field Museum archaeologists amend the written history of China's first emperor
Two Field Museum scientists and their Chinese collaborator have integrated textual information with archaeological research in order to further understand the impact of the reign of China's first emperor.

Stevens to host ACM conference on wireless network security
The 3rd ACM Conference on Wireless Network Security will be held on the campus of Stevens Institute of Technology on March 22-24, 2010.

The proof's in the bubbles
An imaging technique combining ultrasound and specially modified contrast agents may allow researchers to noninvasively detect cancer and show its progression, according to research published in the March issue of the Journal of Nuclear Medicine.

UMass Lowell researchers' findings suggest new ways to diagnose and treat Alzheimer's
A team of researchers at UMass Lowell has found a new mechanism by which a key protein associated with Alzheimer's disease can spread within the human brain.

'Biological clock' could be a key to better health, longer life
If you aren't getting a good, consistent and regular night's sleep, a new study suggests it could reduce your ability to handle oxidative stress, cause impacts to your health, increase motor and neurological deterioration, speed aging and ultimately cut short your life.

Office-based ultrasound-guided FNA superior in diagnosing head and neck lesions
Office-based, surgeon-performed, ultrasound-guided, fine needle aspiration (FNA) of head and neck lesions yields a statistically significant higher diagnostic rate compared to the standard palpation technique, indicates new research in the March 2010 issue of Otolaryngology -- Head and Neck Surgery.

Teens with more screen time have lower-quality relationships
Teens who spend more time watching television or using computers appear to have poorer relationships with their parents and peers, according to a report in the March issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Rice researchers make graphene hybrid
Rice University researchers have found a way to stitch graphene and hexagonal boron nitride (h-BN) into a two-dimensional quilt that offers new paths of exploration for materials scientists.

Critical brain chemical shown to play role in severe depression
The next advance in treating major depression may relate to a group of brain chemicals that are involved in virtually all our brain activity, according to a study published today in Biological Psychiatry from the Centre for Addiction and Mental Health.

Iowa State physicist writes a better formula to predict baseball success
Kerry Whisnant, an Iowa State University professor of physics and astronomy, will present a paper about his formula to predict baseball success to the Massachusetts Institute of Technology's Sloan Sports Analytics Conference in Boston on March 6.

If you take simvastatin to control cholesterol, watch out for infection says new report
Simvastatin might help us control our cholesterol, but when it comes to infection, it's an entirely different story says a new research study published in the Journal of Leukocyte Biology.

UNC study: Obese 3-year-olds show early warning signs for future heart disease
A study by University of North Carolina at Chapel Hill researchers found that obese children as young as 3 years old have elevated levels of C-reactive protein, a marker of inflammation that in adults is considered an early warning sign for possible future heart disease.

Key player found for a cancer typical in Down syndrome
Between five and 10 percent of babies with Down syndrome develop a transient form of leukemia that usually resolves on its own.

Overcoming multidrug resistance in acute lymphoblastic leukemia cells
A strong predictor of poor outcome in children with acute lymphoblastic leukemia (ALL) is resistance to chemotherapy with glucocorticoids.

File-sharing software potential threat to health privacy
The personal health and financial information stored in thousands of North American home computers may be vulnerable to theft through file-sharing software, according to a research study published online today in the Journal of the American Medical Informatics Association.

New subtype of breast cancer responds to targeted drug
A newly identified cancer biomarker could define a new subtype of breast cancer as well as offer a potential way to treat it, say researchers at Washington University School of Medicine in St.

Terrorism's new target: 'Econo-Jihad'
Jihadist terror organizations have set economic terrorism as their new target, intending to harm and paralyze Western economies, the United States in particular, claims Prof.

Neuroscientist steers research into neurological disorders
Scientists at the Queensland Brain Institute have uncovered a vital clue into how the brain is wired, which could eventually steer research into nervous system disorders such as Parkinson's disease and cognitive disorders including autism.

Bt protein found effective against parasitic roundworm infections
Biologists at UC San Diego have discovered that a protein from a soil bacterium used to kill insects naturally on organic crops is a highly effective treatment for intestinal parasitic roundworms.

Schizophrenia gene network analysis identifies age-associated defects
The underlying causes of the debilitating psychiatric disorder schizophrenia remain poorly understood.

New device for ultrafast optical communications
A new device invented by engineers at UC Davis could make it much faster to convert pulses of light into electronic signals and back again.

Weight-loss diets may reverse atherosclerosis in obese, overweight people
A low-carbohydrate diet, a low-fat diet and the Mediterranean diet were equally effective in helping obese people to reverse carotid atherosclerosis after losing moderate amounts of weight and improving their blood pressure, in a study reported in Circulation: Journal of the American Heart Association.

Fossil snake from India fed on hatchling dinosaurs
The remains of an extraordinary fossil unearthed in 67 million-year-old sediments from Gujarat, western India provide a rare glimpse at an unusual feeding behavior in ancient snakes.

Carnegie Mellon's Sanna Gaspard named 'New Face of Engineering'
Carnegie Mellon University's Sanna Gaspard was chosen as the 2010 Engineer's Week

HRT and cataract risk; smoking and uveitis
Intriguing findings on hormone replacement therapy and cataract risk, and on smoking and uveitis risk are reported in this month's Ophthalmology, the journal of the American Academy of Ophthalmology.

Ghrelin mitigates liver fibrosis in animal models; regulates human fibrosis
Spanish researchers determined that rats treated with recombinant ghrelin displayed a reduction in liver fibrosis.

Embedding images in radiology reports can speed decision making and improve patient care
Embedding clinical images to accompany findings described in a radiology text report enhances radiologists' communication with referring physicians and can improve patient care, according to a study in the March issue of the Journal of the American College of Radiology.

Predisposing factors for conversion of mild cognitive impairment to AD identified
Mild cognitive impairment (MCI) is often considered an early symptom of Alzheimer's disease.

Scientists identify age-associated defects in schizophrenia
The underlying causes of the debilitating psychiatric disorder schizophrenia remain poorly understood.

Ancient DNA from rare fossil reveals that polar bears evolved recently and adapted quickly
A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous with the devastation wrought by climate change.

Thalassemia Foundation of Canada honors the work of a Concordia University professor
Concordia University is pleased to announce that Dr. Peter D.

Biopics: Popular film genre evolving not expiring
Dennis Bingham, Ph.D., of Indiana University-Purdue University Indianapois, is the author of

Increasing dissolved oxygen concentrations in alcohol may reduce negative side effects
Oxygen for ethanol oxidation is normally supplied through breathing, the stomach, and the skin.

Childhood obesity prevention should begin early in life, possibly before birth
Risk factors for childhood obesity may be evident before birth and are more likely to occur in African-American and Hispanic children than in Caucasian children.

M. D. Anderson develops tool to measure severity of chronic graft-vs.-host disease symptoms
Researchers from the University of Texas M. D. Anderson Cancer Center have developed a new assessment tool to measure the severity of symptoms that can complicate stem cell transplantation.

'Anaconda' meets 'Jurassic Park': Study shows ancient snakes ate dinosaur babies
Sixty-seven million years ago, when dinosaur hatchlings first scrambled out of their eggs, their first -- and last -- glimpse of the world might have been the open jaws of a 3.5-meter-long snake named Sanajeh indicus, based on the discovery in India of a nearly complete fossilized skeleton of a primitive snake coiled inside a dinosaur nest.

HIV and noncommunicable diseases hinder the progress of poor countries' Millennium Development Goals
A study published in PLoS Medicine this week examines why poor countries are falling behind with the UN Millennium Development Goals for health, finding that noncommunicable diseases and HIV prevalence are strongly associated with the difficulty countries have meeting these targets.

Prostate cancer surgeons 'feel' with their eyes
Robotic surgical technology with its three-dimensional, high-definition view gives surgeons the sensation of touch, even as they operate from a remote console.

Embargoed news from Annals of Internal Medicine
Below is information about three articles and one clinical observation being published in the March 2 issue of Annals of Internal Medicine and one being released early online.

DYRK1A gene may be 1 of most influential factors in Down syndrome
Research undertaken in recent years on Down syndrome has focused on the DYRK1A gene.

Dietary factors influence ovarian cancer survival rates
Often diagnosed in late stages, ovarian cancer has an asymptomatic onset and a relatively low five-year survival rate of about 45 percent.

Some parents weigh 'hastening death' for children in extreme pain with terminal cancer
A survey of parents who had a child die of cancer found one in eight considered hastening their child's death, a deliberation influenced by the amount of pain the child experienced during the last month of life, report Dana-Farber researchers.
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