Brightsurf Science News & Current Events

March 05, 2013
Elsevier and the ACC announce the launch of a new journal JACC: Heart Failure
Elsevier, a world-leading provider of scientific, technical and medical information products and services, and the American College of Cardiology are pleased to announce that the American College of Cardiology journals' portfolio has been expanded with the launch of JACC: Heart Failure.

Study examines thinning of heart muscle wall among patients with coronary artery disease
Among patients with coronary artery disease referred for cardiovascular magnetic resonance and found to have regional myocardial wall thinning (of the heart muscle), limited scar burden was associated with improved contraction of the heart and reversal of wall thinning after revascularization, suggesting that myocardial thinning is potentially reversible, according to a study appearing in the March 6 issue of JAMA.

Leading psychological science journal launches initiative on research replication
Reproducing the results of research studies is a vital part of the scientific process.

Hope in stopping melanoma from spreading: Inhibiting protein prevents metastasis to lungs in mice
Researchers have identified a critical protein role in the metastasis of melanoma, the most serious form of skin cancer.

Hurting someone else can hurt you just as much
Experiencing ostracism -- being deliberately ignored or excluded -- hurts, but ostracizing someone else could hurt just as much, according to new research published in Psychological Science, a journal of the Association for Psychological Science.

Spinal tap -- using cactus spines to isolate DNA
In the family Cactaceae, isolation of genetic material can be difficult due to the presence of polysaccharide-based mucilage content and other secondary compounds.

Seniors who play video games report better sense of emotional well-being
New research from North Carolina State University finds that older adults who play video games report higher levels of emotional well-being.

Better estrogen-testing methods needed to improve patient care
In a position statement unveiled today, the Endocrine Society advocates that all methods for measuring estrogens, which play a crucial role in human biology, be made traceable to a common standard.

BUSM study reveals potential target to better treat, cure anxiety disorders
Researchers at Boston University School of Medicine have, for the first time, identified a specific group of cells in the brainstem whose activation during rapid eye movement sleep is critical for the regulation of emotional memory processing.

Stressed-out tadpoles grow larger tails to escape predators
When people or animals are thrust into threatening situations such as combat or attack by a predator, stress hormones are released to help prepare the organism to defend itself or to rapidly escape from danger -- the so-called fight-or-flight response.

Novel storage mechanism allows command, control of memory
The molecular key to converting short term memories into long term memories is mTORC2, according to researchers at Baylor College of Medicine in an article that appeared online in the journal Nature Neuroscience.

EARTH: Releasing a flood of controversy on the Colorado River
As the Colorado River winds through sedimentary strata, it picks up a tremendous amount of sediment.

News websites should target 'reward seekers,' MU researcher finds
Paul Bolls, an associate professor of strategic communication at the MU School of Journalism and a 2011-2012 MU Reynolds Journalism Institute Fellow, has found that news consumers who have

Free online program helps reduce blood pressure
A web-based tracking program helped people reduce their blood pressure.

Parents, religion guard against college drinking
Religious college students report less alcohol use than their classmates -- and the reason may have to do with how their parents handle stress, according to new research by a Michigan State University scholar.

Product promotion: When do emotional appeals trump celebrity spokespeople?
Emotional appeals could be more effective than celebrities when promoting products related to a consumer's identity, according to a new study in the Journal of Consumer Research.

When good food goes bad
The Center for Biosecurity offers recommendations for improving national capacity for responding to outbreaks of foodborne illness.

New clinical tool assesses health risks for older adults
A UC San Francisco team has developed a tool that can help determine -- and perhaps influence -- senior citizens' 10-year survivability rates.

Improper protein digestion in neurons identified as a cause of familial Parkinson's
Researchers have discovered how the most common genetic mutations in familial Parkinson's disease damage brain cells.

First single gene mutation shown to result in type 1 diabetes
A JDRF-funded study out of Switzerland has shown that a single gene called SIRT1 may be involved in the development of type 1 diabetes (T1D) and other autoimmune diseases.

Antiviral lipid earns patent
Dennis Voelker, professor of medicine at National Jewish Health, has been awarded a US patent for various lipids and related compounds that can inhibit inflammation and infection in the lungs, especially those caused by influenza and respiratory syncytial virus.

The maternal effect: How mother deer protect their future kings
Just like the classic tale of Bambi, females from the deer family are more likely to invest more in the survival and health of their male offspring if there is a good chance those sons will become a

Resistance to first line anti-malarial drugs is increasing on the Thai-Myanmar border
Early diagnosis and treatment with antimalarial drugs (ACTs -- artemisinin based combination treatments) has been linked to a reduction in malaria in the migrant population living on the Thai-Myanmar border, despite evidence of increasing resistance to ACTs in this location, according to a study by international researchers published in this week's PLOS Medicine.

UT Southwestern scientists make mouse model of human cancer, demonstrate cure
Scientists report the first successful blocking of tumor development in a genetic mouse model of an incurable human cancer.

Stressed proteins can cause blood clots for hours
New research from Rice University, Baylor College of Medicine and the Puget Sound Blood Center has revealed how stresses of flow in the small blood vessels of the heart and brain could cause a common protein to change shape and form dangerous blood clots.

New evidence that comets could have seeded life on Earth
UC Berkeley and Univ. of Hawaii scientists have shown that complex molecules can form on icy dust in space, suggesting that comets may have brought these molecules to Earth and seeded the growth of more complex building blocks of life.

Not your grandfather's jersey: Navy testing new fire-resistant clothing
The Office of Naval Research is answering a Sailor's request for delivery of new flight deck clothing that could significantly boost personnel safety on aircraft carriers across the Navy.

Heavy moms-to-be at greater risk of c-section
Researchers from Norway found that women with a pre-pregnancy body mass index of 40 had an increased risk of vacuum extraction delivery or Cesarean section (C-section).

Discovery of human genetic mutation could lead to new treatments for type 1 diabetes
In type 1 diabetes, the immune system destroys insulin-producing cells in the pancreas, but the precise cause has not been clear.

Single gene might explain dramatic differences among people with schizophrenia
Some of the dramatic differences seen among patients with schizophrenia may be explained by a single gene that regulates a group of other schizophrenia risk genes.

New tool better estimates pandemic threats
A simple new method better assesses the risks posed by emerging zoonotic viruses (those transmissible from animals to humans), according to a study published in PLOS Medicine this week.

Walking away from back pain
A new study from a Tel Aviv University researcher says a low-cost program of aerobic walking is just as effective as expensive clinical therapy in the treatment of lower back pain.

Omega-3s from fish vs. fish oil pills better at maintaining blood pressure in mouse model
Researchers show how fish oils help lower blood pressure via vasodilation at ion channels.

Affordable care alone may not be enough to help Latinos overcome cancer care barriers
A combination of financial, cultural and communication barriers contribute to preventing underserved Latino men with prostate cancer access to the care and treatment they need, according to a new study conducted by the UCLA School of Nursing.

Alzheimer's risk gene discovered using imaging method that screens brain's connections
UCLA researchers have discovered a common abnormality in our genetic code that increases our risk for Alzheimer's, using a new method that screens the brain's connections that communicates information in the brain.

Remains of extinct giant camel discovered in High Arctic by Canadian Museum of Nature
Remains of an extinct giant camel have been discovered on Ellesmere Island in Canada's High Arctic.

'Mean girls' be warned: Ostracism cuts both ways
If you think giving someone the cold shoulder inflicts pain only on them, beware.

Green tea extract interferes with the formation of amyloid plaques in Alzheimer's disease
Researchers at the University of Michigan have found a new potential benefit of a molecule in green tea: preventing the misfolding of specific proteins in the brain.

Modeling Jupiter and Saturn's possible origins
New theoretical modeling by Carnegie's Alan Boss provides clues to how the gas giant planets in our solar system -- Jupiter and Saturn -- might have formed and evolved.

Health benefits of marriage may not extend to all

Marriage may not always be as beneficial to health as experts have led us to believe, according to a new study.

UBC scientists, nature photographers launch Philippines expedition with crowdfunding
Marine scientists and the world's top nature photographers are teaming up to reveal for the first time the beauty of a rare double-barrier reef in the Philippines -- and the imminent threats it faces -- with the help of citizens around the world.

Texas A&M research contributes to improved ultrasound imaging
Ultrasound technology could soon experience a significant upgrade that would enable it to produce high-quality, high-resolution images, thanks to the development of a new key material by a team of researchers that includes a professor in the Department of Biomedical Engineering at Texas A&M University.

The making of Antarctica's hidden fjords
Antarctica's topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a University of Arizona-led team of geoscientists.

Ancient DNA solves 320-year-old mystery
University of Adelaide researchers have found the answer to one of natural history's most intriguing puzzles -- the origins of the now extinct Falkland Islands wolf and how it came to be the only land-based mammal on the isolated islands -- 460km from the nearest land, Argentina.

Disabled employees twice as likely to be attacked at work
Employees with disabilities are twice as likely to be attacked at work and they experience higher rates of insults, ridicule and intimidation, a new UK study has found.

Google, IBM and Microsoft meet in Luxembourg at ICST 2013
The University of Luxembourg's

Scarring of heart muscle linked with increased risk of death in patients with type of cardiomyopathy
Detection of midwall fibrosis (the presence of scar tissue in the middle of the heart muscle wall) via magnetic resonance imaging among patients with nonischemic dilated cardiomyopathy (a condition affecting the heart muscle) was associated with an increased likelihood of death, according to a study appearing in the March 6 issue of JAMA.

Felix Goñi, Avanti award for best European research in lipids
Professor Félix Goñi, Doctorate of Biochemistry and Molecular Biology of the University of the Basque Country and Director of the Biophysics Unit, joint CSIC-UPV/EHU center, has just received the European Avanti award.

Temple researchers discover key to heart failure, new therapies on horizon
Some 5.8 million Americans suffer from heart failure, a currently incurable disease.

New study suggests potential shift in burden of pneumococcal disease
New studies revealed today by Latin-American researchers and global health leaders suggest that the highest burden of deadly pneumococcal disease in Latin America may be shifting to adults as countries successfully immunize more infants with new vaccines.

USF and KAUST chemists develop efficient material for carbon capture
Chemists have discovered a more efficient, less expensive and reusable material for carbon dioxide capture and separation.

Is it a stroke or benign dizziness? A simple bedside test can tell
A bedside electronic device that measures eye movements can successfully determine whether the cause of severe, continuous, disabling dizziness is a stroke or something benign, according to results of a small study led by Johns Hopkins Medicine researchers.

U of M researchers utilize genetically corrected stem cells to spark muscle regeneration
Researchers at the University of Minnesota's Lillehei Heart Institute have combined genetic repair with cellular reprogramming to generate stem cells capable of muscle regeneration in a mouse model for Duchenne Muscular Dystrophy.

Emergency departments not doing enough to educate parents about car seat safety
More than one-third of ER physicians say they are uncertain whether their department has safety restraint info for patients, according to new U-M study.

MIT student inventor Nikolai Begg receives Lemelson-MIT Student Prize
Nikolai Begg is the recipient of the prestigious $30,000 Lemelson-MIT Student Prize for his inventions that are making surgical procedures less invasive.

West Nile virus passes from female to eggs, but less so from larvae to adults
California researchers monitored WNV in mosquitoes in the field and in the lab, and observed how the virus is transmitted between generations and between insect stages.

Are new national policies designed to reduce hospital readmissions working?
Early lessons learned from current US government policy initiatives to decrease hospital readmissions hint at their likelihood for success and are examined in an article in Population Health Management.

Kirk, Spock together: Putting emotion, logic into computational words
In a large neuroimaging study, 127 volunteers played a take-it-or-leave-it game that shows cold reasoning and hot feelings may be more intimately connected than previously thought.

Molecular coordination in evolution: A review in 'Nature Reviews Genetics'
Spanish National Cancer Research Centre researchers Alfonso Valencia, Director of the Structural Biology and Biocomputing Programme and David de Juan, jointly with Florencio Pazos, from the Spanish National Centre for Biotechnology, publish a review on the latest computational methods that, based on evolutionary principles, are revolutionizing the field of analysis and prediction of protein structure, function and protein-protein interactions, as well as the short- and long-term expectations for the field.

Assembling the transcriptome of a noxious weed: New resources for studying how plants invade
Scientists have assembled transcriptomes of a noxious weed, Brachypodium sylvaticum, or slender false brome.

On the trail of mucus-eaters in the gut
The microbiology team of David Berry, Alexander Loy and Michael Wagner from the Faculty of Life Sciences, in collaboration with scientists at the Max F.

Fishers near marine protected areas go farther for catch but fare well
Fishers near marine protected areas end up traveling farther to catch fish but maintain their social and economic well-being, according to a study by fisheries scientists at Washington State University and in Hawaii.

Survey of clinicians: User satisfaction with electronic health records has decreased since 2010
American College of Physicians and AmericanEHR Partners release survey results.

Insomnia is linked to increased risk of heart failure
People who suffer from insomnia appear to have an increased risk of developing heart failure, according to the largest study to investigate the link.

Shadows over data sharing
In a paper about to be published in EPJ Data Science, Barbara Jasny, deputy editor for commentary at Science magazine in Washington, DC, USA, looks at the history of the debates surrounding data access during and after the human genome

Top patient safety strategies detailed in new AHRQ report
The Agency for Healthcare Research and Quality has released a new report, Making Health Care Safer II, which identifies the top 10, evidence-based patient safety strategies available to clinicians.

Viruses: More survival tricks than previously thought
Among eukaryotes with modified nuclear genetic codes, viruses are unknown.

Is the iPad creative? It depends on who's buying it
Encouraging consumers to feel ownership of products they haven't yet purchased can backfire because consumers tend to see themselves in the products they own, according to a new study in the Journal of Consumer Research.

A window into Europa's ocean lies right at the surface
If you could lick the surface of Jupiter's icy moon Europa, you would actually be sampling a bit of the ocean beneath.

Analytical theory may bring improvements to lithium-ion batteries
Researchers have shown theoretically how to control or eliminate the formation of

Females butterflies can smell if a male butterfly is inbred
The mating success of male butterflies is often lower if they are inbred.

Putting HiFi into cochlear implants
An interdisciplinary team of Vanderbilt researchers have developed a way to reprogram cochlear implants that dramatically improves the quality and clarity of users' hearing.

New spectroscopy method could lead to better optical devices
A new spectroscopy method helps distinguish the orientations of light-emitters in layered nanomaterials and other thin films.

The way we weren't: U of Minnesota biologist debunks myth that humans peaked in Paleolithic era
As a skilled writer with an engaging sense of humor, University of Minnesota evolutionary biologist Marlene Zuk does an informative and entertaining job of debunking the myth that we would be happier and healthier living as our Paleolithic ancestors did in her new book,

Targeting diet products: Why are more independent consumers better at delaying gratification?
Product benefits that occur later in time are more likely to appeal to more independent consumers than to those who are more group or family oriented, according to a new study in the Journal of Consumer Research.

Women's health must be priority for state health exchange marketplaces, new report says
Women's issues play a major role in the health of the nation and should be a key consideration for policymakers as they design and set up the new insurance exchanges, according to a report co-authored by policy experts at the George Washington University School of Public Health and Health Services.

New research calls for better guidance about HIV transmission and the law
Support services for people living with HIV will benefit from better information about prosecutions for the sexual transmission of HIV, according to a report released today by researchers from Sigma Research at the London School of Hygiene & Tropical Medicine, and Birkbeck, University of London.

Manchester leads new international study investigating Inflammatory Bowel Disease
The University of Manchester is leading a €12 million systems medicine research network to identify better treatments for Inflammatory Bowel Disease like Crohn's Disease.

Why fish is so good for you
The molecular impact of omega-3 fatty acids isn't fully understood yet.

Statistical physics offers a new way to look at climate
New research suggests that statistical simulations rooted in basic physics could make for new climate models that are more useful and require less brute-force computing power.

People with mental illness at highly increased risk of being murder victims
People with mental disorders have a highly increased risk of being victims of homicide, a large study published today on bmj.com suggests.

Wayne State vision restoration technology receives Notice of Allowance for US patent app
Technology to restore vision through the use of a component of green algae developed by Dr.

Safe, long-term opioid therapy is possible
In a Clinical Crossroads article featured in the Mar. 6, 2013 issue of the Journal of the American Medical Association, Dr.

Human Connectome Project releases major data set on brain connectivity
The Human Connectome Project, a five-year endeavor to link brain connectivity to human behavior, has released a set of high-quality imaging and behavioral data to the scientific community.

Gravitational telescope creates space invader mirage
The NASA/ESA Hubble Space Telescope is one of the most powerful available to astronomers, but sometimes it too needs a helping hand.

March of Dimes funds new preterm birth research
Five researchers received grants from the March of Dimes to help understand the science behind healthy pregnancies.

NASA wallops recovery continues from Hurricane Sandy
Hurricane Sandy came ashore in northern New Jersey Oct. 29, 2012, and as the powerful storm made its way along the East Coast it brought damage to NASA's Wallops Flight Facility in Wallops Island, Va.

Biomass analysis tool is faster, more precise
A screening tool from the US Department of Energy's National Renewable Energy Laboratory eases and greatly quickens one of the thorniest tasks in the biofuels industry: determining cell wall chemistry to find plants with ideal genes.

Amputee phantom pain linked to brain retaining picture of missing limb
Changes in the brain following amputation have been linked to pain arising from the missing limb, called

Denmark joins the Nordic EMBL Partnership for Molecular Medicine
Today, the Nordic EMBL Partnership for Molecular Medicine celebrates two important milestones: The renewal of the partnership agreement for an extended period of 10 years, and the expansion of the Nordic EMBL network with the official opening of the Danish Research Institute of Translational Neuroscience at Aarhus University, which will become its Danish node.

Homes in neighborhoods with protected open space bringing higher sale prices
Homes in neighborhoods that incorporate protected open space command prices 20 to 29 percent higher than those without open space, according to a new study by a Colorado State University multidisciplinary research team that included Wildlife Conservation Society scientist, Sarah Reed.

New gene variant may explain psychotic features in bipolar disorder
Researchers at Karolinska Institutet in Sweden have found an explanation for why the level of kynurenic acid (KYNA) is higher in the brains of people with schizophrenia or bipolar disease with psychosis.

Whoa there! Quick switch to 'barefoot' shoes can be bad to the bone
A new study from a team of exercise science professors found that runners who transition too quickly to 'barefoot' running shoes suffer an increased risk of injury to bones in the foot, including possible stress fractures.

Before and after: Ad placement should reflect cultural conceptions of time
Consumers respond more favorably to advertising when the placement of product images is consistent with the way they visualize time, according to a new study in the Journal of Consumer Research.

Research leads to better understanding of peripheral neuropathy
Researchers from Plymouth University Peninsula Schools of Medicine and Dentistry are part of an international team that has for the first time unlocked the key to a mechanism for peripheral neuropathy in people with multiple brain tumors.

The Joint Facial and Invasive Neck Trauma (J-FAINT) Project, Iraq and Afghanistan 2003-2011
With over 37,000 face and neck injuries in more than 7,000 military personnel during Operations Iraqi Freedom and Enduring Freedom, a new study in Otolaryngology-Head and Neck Surgery concludes additional training in the management of these injuries and improvements in body armor could be beneficial.

Sharing HIV research findings with participants
Is it feasible to share research findings with HIV-infected participants enrolled in observational research in rural sub-Saharan African?

Herbal defluoridation of drinking water
Researchers in India have developed a filter system based on a medicinal herb, which they say can quickly and easily remove

Use of certain therapies for inflammatory diseases does not appear to increase risk of shingles
Although patients with rheumatoid arthritis (RA) have a disproportionately higher incidence of herpes zoster (shingles), an analysis that included nearly 60,000 patients with RA and other inflammatory diseases found that those who initiated anti-tumor necrosis factor therapies were not at higher risk of herpes zoster compared with patients who initiated nonbiologic treatment regimens, according to a study appearing in the March 6 issue of JAMA.

Colonoscopy screening reduces risk of advanced colorectal cancer
A new study led by a researcher at the Penn Medicine adds support to current medical recommendations stating that screening colonoscopy substantially reduces an average-risk adult's likelihood of being diagnosed with advanced colorectal cancer (CRC) in either the right or left side of the colon.

New report confirms almost half of Africa's lions facing extinction
A new report published today concludes that nearly half of Africa's wild lion populations may decline to near extinction over the next 20-40 years without urgent conservation measures.

A better way of estimating blood loss
Research suggests that there may be a better way of measuring blood loss due to trauma than the current method, finds an article in BioMed Central's open access journal Critical Care.

How cells optimize the functioning of their power plants
Mitochondria, which are probably derived from distant bacterial ancestors incorporated into our cells, have their own DNA.

Community-based HIV-prevention efforts can boost testing, help reduce new infections
In Africa and Thailand, communities that worked together on HIV-prevention efforts saw not only a rise in HIV screening but a drop in new infections.

EEG patterns indicate when patients lose, regain consciousness under propofol anesthesia
Massachusetts General Hospital investigators have identified specific EEG signatures that indicate when patients lose and regain consciousness under the general anesthetic drug propofol.

Genetics Society of America's Genetics journal highlights for March 2013
These are the selected highlights for the March 2013 issue of the Genetics Society of America's journal, Genetics.

Age-related dementia may begin with neurons' inability to dispose of unwanted proteins
A team of European scientists has taken an important step closer to understanding the root cause of age-related dementia.

UF scientists discover new crocodilian, hippo-like species from Panama
University of Florida paleontologists have discovered remarkably well-preserved fossils of two crocodilians and a mammal previously unknown to science during recent Panama Canal excavations that began in 2009.

U of M researchers find wide variation in cesarean delivery rates among US hospitals
Cesarean delivery is the most common surgery in the United States, performed on 1.67 million American women annually.

Mental picture of others can be seen using fMRI, finds new study
It is possible to tell who a person is thinking about by analyzing images of his or her brain.

Children of divorced parents more likely to switch, pull away from religions, Baylor study finds
Adults whose parents were divorced are more likely to switch religions or disassociate themselves from institutional religions altogether -- but growing up in a single-parent family does not have any effect on private religious life, including praying, according to a study by a Baylor University sociologist.

New Center for Open Science designed to increase research transparency
A new Center for Open Science, based at the University of Virginia, will encourage openness, accessibility and reproducibility of research across all scientific fields.

Novel small molecules used to visualize prostate cancer
Two novel radiolabeled small molecules targeting prostate-specific membrane antigen have excellent potential for further development as diagnostic and therapeutic radiopharmaceuticals, according to research published this month in The Journal of Nuclear Medicine.

Gravitational lens creates cartoon of space invader
The gravitational field surrounding this massive cluster of galaxies, Abell 68, acts as a natural lens in space to brighten and magnify the light coming from very distant background galaxies.

New effort to identify Parkinson's biomarkers
As part of a new program, launched by the National Institute of Neurological Disorders and Stroke (NINDS), part of the NIH, researchers from Brigham and Women's Hospital (BWH), were awarded $2.6 million to work on the development of biomarkers and facilitate NINDS-wide access to one of the largest data and biospecimens bank in the world for Parkinson's available at BWH.

New method for greenhouse gas predictions
Pulp and paper producers are among Canada's most important industries and also one of the largest producers of wastewater.

Comparison investing: Why are consumers more willing to take risks when they can compare products?
Consumers are more willing to take risks and accept delays in exchange for greater benefits when they are able to compare products, according to a new study in the Journal of Consumer Research.

Focal therapy offers middle ground for some prostate cancer patients
For men with low-risk prostate cancer, focal laser ablation treats just the diseased portion of the prostate rather than the entire gland.

Mathematician Arthur Szlam named Sloan Research Fellow
Dr. Arthur Szlam, assistant professor of mathematics at The City College of New York, has been awarded the Sloan Research Fellowship for 2013.

Researchers discover gene that causes obesity in mice
Researchers have discovered that deleting a gene in mice prevents them from becoming obese even on a high fat diet, a finding they believe could be replicated in humans.

New mechanism for relaxing airways using bitter tasting substances
A team of scientists at the University of Massachusetts Medical School have found that substances which give some foods their bitter flavors can also act to reverse the contraction of airway cells.

Boys are right-handed, girls are left...
Well at least this is true for sugar gliders (Petaurus breviceps) and grey short-tailed opossums (Monodelphis domestica), finds an article in BioMed Central's open access journal BMC Evolutionary Biology, and shows that handedness in marsupials is dependent on gender.

Materials for enhanced solar cell efficiency that will increase cell lifetime
NanoPhoSolar aims to develop nanophosphor down converting material which will be incorporated into coatings and polymer films for integration into new solar modules and retrofit of existing solar modules.

UMMS scientists discover new mechanisms for relaxing airways using bitter tasting substances
An interdisciplinary team of scientists at the University of Massachusetts Medical School have taken a step forward in understanding how the substances that give some foods their bitter flavor also act to reverse the contraction of airway cells, a process known as bronchodilation.

Nurse migration in North and Central America strengthening health systems
A new report, Strengthening health systems in North and Central America: What role for migration?, sponsored by the Migration Policy Institute, seeks to draw attention to the cross-border migration in the Americas and suggests ways the migration could be managed to meet the demand for health care services in the region.

Pain training for primary care providers
Patients who experience chronic pain may experience improvement in symptoms if their primary care providers are specifically trained in multiple aspects of pain, including emotional consequences.

Does the villainous 'selfish' gene undermine genome's police?
Biologists have been observing the

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