Brightsurf Science News & Current Events

October 27, 2013
Supermagnets present ongoing child health risks
The continued sale and availability of powerful, neodymium magnets -- typically 10 to 20 times stronger than traditional magnets -- are causing an increase in pediatric ingestion-related injuries, according to an abstract presented Sunday, Oct.

Rare childhood disease may hold clues to treating Alzheimer's and Parkinson's
Scientists at Rutgers University studying the cause of a rare childhood disease that leaves children unable to walk by adolescence say new findings may provide clues to understanding more common neurodegenerative diseases like Alzheimer's and Parkinson's and developing better tools to treat them.

Rainbow research reveals young children with asthma visit emergency department most often
Research from a UH Rainbow Babies & Children's Hospital study found that children ages 1 to 3 years accounted for one-fifth of ED visits caused by complications from asthma, the highest proportion of visits among asthma patients under age 21.

Study finds people who are socially isolated experience more pain after hip replacement
Researchers at Hospital for Special Surgery found that people who lacked good social ties were much more likely to experience serious, ongoing pain following hip replacement surgery two or more years after the procedure.

Treasures found and lost in US National Parks
US National Parks are not just beautiful vistas and great family vacation destinations; they are also key scientific field laboratories and rich repositories of the record of Earth's history.

UNC neuroscientists discover new 'mini-neural computer' in the brain
Dendrites, the branch-like projections of neurons, were once thought to be passive wiring in the brain.

After a concussion, students may need gradual transition back to academics
A concussion should not only take a student athlete off the playing field -- it may also require a break from the classroom, according to a new clinical report from the American Academy of Pediatrics.

Smoking long or ultralong cigarettes increases risk of lung cancer, study released at CHEST 2013
Smokers of long or ultralong cigarettes are at greater risk for lung and oral cancer than smokers of regular and king-size cigarettes, according to researchers at the Harvard School of Public Health, Center for Global Tobacco Control.

A nanofibrous conduit suitable for repair of long-segment sciatic nerve defects
Dr. Esmaeil Biazar and team from Islamic Azad University, Tonekabon, Iran used nanofibrous PHBV conduit and autologous sciatic nerve to bridge 30-mm-long rat sciatic nerve gaps.

NIH-supported study identifies 11 new Alzheimer's disease risk genes
An international group of researchers has identified 11 new genes that offer important new insights into the disease pathways involved in Alzheimer's disease.

New mechanism underlying Danhong injection for cerebral ischemia-reperfusion injury
Yan Wang and colleagues from the Second Xiangya Hospital, Central South University, China elucidated changes in morphology, protein expression and function of Golgi and its molecular mechanisms in a rat model of cerebral ischemia-reperfusion injury after administration with Danhong injection.

Study identifies biomarker linked to poor outcomes in pregnant lupus patients
Pregnant women with lupus are at increased risk of preeclampsia and other pregnancy complications.

First real-life study finds Xpert test improves TB diagnosis and treatment but does not reduce long-term TB-related illness
The first randomised trial to measure the impact of the rapid Xpert MTB/RIF test for tuberculosis (TB) in a real-life clinical setting finds that it can be accurately performed by a non-specialist with minimal training, improves same-day diagnosis and time to starting treatment, and increases the number of people who start treatment after testing positive on day 1 by 50 percent, compared with conventional TB diagnostics.

International collaboration finds 11 new Alzheimer's genes to target for drug discovery
University of Miami Miller School of Medicine researchers played a key role in the largest international Alzheimer's disease genetics collaboration to date, which identified 11 new regions of the genome that contribute to late-onset Alzheimer's disease, doubling the number of potential genetics-based therapeutic targets to investigate.

New material for quantum computing discovered out of the blue
A common blue pigment used in the £5 note could have an important role to play in the development of a quantum computer, according to a paper published today in the journal Nature.

Scientists eye longer-term forecasts of US heat waves
Scientists have fingerprinted a distinctive atmospheric wave pattern high above the Northern Hemisphere that can foreshadow the emergence of summertime heat waves in the United States more than two weeks in advance.

Study with totally blind people shows how light helps activate the brain
Light enhances brain activity during a cognitive task even in some people who are totally blind, according to a study conducted by researchers at the University of Montreal and Boston's Brigham and Women's Hospital.

ACCP becomes first-ever medical association to receive The Society for Simulation in Healthcare accreditation
The American College of Chest Physicians announced today that its clinical simulation program received accreditation from The Society for Simulation in Healthcare after meeting the society's core standards for accreditation.

Electronic intensive care units (eICUs) effective in providing remote care, study presented at CHEST
A new study of electronic intensive care units shows them to be an effective way to provide 24-hour intensive care to patients in remote locations.

Beta-blockers may increase adverse cardiac events, patients at risk during noncardiac surgical procedure
A recent study shows that patients given beta-blockers may actually be at increased risk of having an adverse cardiac event during a noncardiac surgical procedure.

Brief exposure to performance-enhancing drugs may be permanently 'remembered' by muscles
Brief exposure to anabolic steroids may have long lasting, possibly permanent, performance-enhancing effects, shows a study published today [28 October] in The Journal of Physiology.

Next generation science standards and drive toward climate literacy generate synchronicity of ideas
Teaching and learning science in US K-12 schools just got more interesting.

Smart neurons: Single neuronal dendrites can perform computations
When you look at the hands of a clock or the streets on a map, your brain is effortlessly performing computations that tell you about the orientation of these objects.

Yoga practice beneficial to patients with COPD
Patients with COPD who practice yoga can improve their lung function, according to a study by researchers at the All India Institute of Medical Sciences, Department of Pulmonary Medicine and Sleep Disorders.

How to manage nature's runaway freight trains
Last month's torrential rains and flooding in Colorado made headlines, but there's another, far more common and growing weather-related threat western states are facing in the wake of longer and worsening fire seasons: flash floods and debris flows.

Is size of the corpus callosum a screening index for neurodevelopment abnormalities?
Fang Liu and her team from Bethune International Peace Hospital, China found that corpus callosum length, and thickness of the genu and splenium can be used to evaluate corpus callosum development in premature infants.

Bird buffet requires surveillance
Behavior of semipalmated sandpipers (Calidris pusilla) feeding during low tide in the Bay of Fundy, New Brunswick, surprised Guy Beauchamp, an ornithologist and research officer at the University of Montreal's Faculty of Veterinary Medicine.

Timely, effective treatment of rheumatoid arthritis reduces disability 2 years out
Delaying treatment for rheumatoid arthritis could greatly increase the likelihood that patients will suffer joint damage and experience disability two years out, according to a new study from Hospital for Special Surgery.

Radioactive waste: Where to put it?
As the U.S. makes new plans for disposing of spent nuclear fuel and other high-level radioactive waste deep underground, geologists are key to identifying safe burial sites and techniques.

Exhaled breath biomarker may detect lung cancer, study presented at Chest 2013
Researchers at Cleveland Clinic recently discovered that lung cancer may be detected in patients by testing their exhaled breath.

Prevalence of household gun ownership linked to child gun shot wounds
There are approximately 7,500 child hospitalizations and 500 in-hospital deaths each year due to injuries sustained from guns.

International group finds 11 new Alzheimer's genes to target for drug discovery
The largest international Alzheimer's disease genetics collaboration to date has found 11 new genetic areas of interest that contribute to late onset Alzheimer's Disease, doubling the number of potential genetics-based therapeutic targets to interrogate.

Mount Sinai researchers identify mechanisms and potential biomarkers of tumor cell dormancy
Oncologists have long puzzled over the fact that after cancer treatment, single cancer cells that are dispersed throughout the body -- so-called disseminated tumor cells -- are quick to grow and form secondary tumors called metastases in certain organs, while in other organs they metastasize more slowly, sometimes decades later.

Cell nucleus protein in brown fat cells governs daily control of body temperature
Body temperature follows a 24-hour rhythm, peaking during the day, low at night.

Encouraging a healthy weight for a healthy heart
A healthy weight is the key to a healthy heart, and yet an estimated one out of three children is either overweight or obese in the US During a special symposium Oct.

What do we know -- and not know -- about fracking?
Fracking is in the headlines a lot these days, and everyone has an opinion about it.

Burden of futile care in ICU studied: Patients waiting for care affected negatively, study presented
Researchers at UCLA studied the opportunity costs of providing futile care to patients in the ICU, finding that care was delayed or compromised for waiting patients when futile care was being provided in a full ICU.

Study finds new genetic error in some lung cancers
Scientists at Dana-Farber Cancer Institute and the University of Colorado Cancer Center report on a gene fusion that spurs the cells to divide rapidly.

Novel mutations define 2 types of bone tumor
Scientists discover that, in almost every patient, specific mutations in two related genes drive the development of two types of bone cancer.

Survey: Health care system causes doctors to 'bend' ethical norms to serve their patients
A survey among rheumatologists finds many face moral dilemmas when trying to do what's best for their patients in the current health care environment.

X-rays overused in ICU: Ultrasound safer, just as effective
A new study shows that the use of ultrasound testing rather than x-rays or CT scans in the ICU reduces patient radiation exposure and lowers costs of care.

11 new genetic susceptibility factors for AD discovered through the largest study
The largest international study ever conducted on Alzheimer's disease (AD), the I-GAP (International Genomics Alzheimer's Project) consortium has identified 11 new regions of the genome involved in the onset of this neurodegenerative disease.
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