Brightsurf Science News & Current Events

October 03, 2011
Race to nerve regeneration: faster is better
Researchers have now identified a way to accelerate the regeneration of injured peripheral nerves in mice such that muscle function is restored in situations where it normally would not be.

Study in Lancet finds use of hormonal contraception doubles HIV risk
University of Washington researchers found that women using hormonal contraception -- such as a birth control pill or a shot like Depo-Provera -- are at double the risk of acquiring HIV, and HIV-infected women who use hormonal contraception have twice the risk of transmitting the virus to their HIV-uninfected male partners, according to their study published in the Lancet Infectious Diseases.

$3.6 million nursing research project promotes exercise for girls
With the help of a $3.6 million federal grant, a Michigan State University nursing researcher is expanding a pilot program statewide to help middle school girls -- particularly minority girls in urban, low socioeconomic settings -- increase their physical activity.

Some link between CCSVI and MS but quality of evidence prevents definitive conclusion
Chronic cerebrospinal venous insufficiency (CCSVI) appears to be more common in people with multiple sclerosis than in people without the condition, states a review of published studies in CMAJ (Canadian Medical Association Journal).

CMA and CSP join forces to expand national and global distribution of research
Canada's leading not-for-profit scholarly publishers -- the Canadian Medical Association and Canadian Science Publishing -- have entered into a strategic alliance to expand the dissemination of important research findings to clinicians and researchers across Canada and around the globe.

Prevention measures needed to address major risk of falls after stroke
Most people who have strokes are in danger of falling, getting hurt.

Smoking causes stroke to occur
Smokers a lot younger than non-smokers when they have strokes.

Researchers call for more awareness of male breast cancer as cases rise
Awareness of male breast cancer is low and most men do not even know they are at risk despite an increase in cases, reveals new research from the University of Leeds.

Breakthrough: A robot brain implanted in a rodent
With new cutting-edge technology aimed at providing amputees with robotic limbs, a Tel Aviv University researcher has successfully implanted a robotic cerebellum into the skull of a rodent with brain damage, restoring its capacity for movement.

Higher radiation dose does not help lung cancer patients live longer
A higher dose of radiation (74 Gy) does not improve overall survival for non-small cell lung cancer that has spread to the lymph nodes, compared to the standard radiation dose (60 Gy), according to an interim analysis of a late-breaking randomized study presented at the plenary session, Oct.

Caltech engineers build smart petri dish
The cameras in our cell phones have dramatically changed the way we share the special moments in our lives, making photographs instantly available to friends and family.

Medicare patients at risk of long-term institutionalization after hospital stay
Confirming many elderly patients' worst fears, a national study has shown that being hospitalized for an acute event, such as a stroke or hip fracture, can lead to long-term institutionalization in a nursing home.

We discount the pain of people we don't like
If a patient is not likeable, will he or she be taken less seriously when exhibiting or complaining about pain?

BPA exposure in utero may increase predisposition to breast cancer
A recent study accepted for publication in Molecular Endocrinology, a journal of the Endocrine Society, found that perinatal exposure to environmentally relevant doses of bisphenol A (BPA) alters long-term hormone response and breast development in mice that may increase the propensity to develop cancer.

Initial immunization with DNA vaccine boosts effectiveness of traditional influenza vaccine and could help prepare for future pandemics
Two new Phase 1 human trials suggest that initial immunization with a DNA vaccine against H5N1 influenza followed by a booster dose of conventional influenza vaccine is more effective than giving two doses of traditional influenza vaccines.

Forest structure, services and biodiversity may be lost even as form remains
A forest may look like a forest, have many of the same trees that used to live there, but still lose the ecological, economic or cultural values that once made it what it was, researchers suggest this week in articles in Proceeding of the National Academy of Sciences.

Einstein Montefiore bioethicist helped shape report on anthrax attack antibiotic staging
The IOM released a report that provides guidance to US public health officials to develop plans to pre-position antibiotics that can be distributed to the general public in the case of a large-scale anthrax attack.

Helium raises resolution of whole cell imaging
Now, a new study published by Cell Press in the Oct.

Overall quality of pregnant woman's diet affects risk for two birth defects, Stanford study shows
The overall quality of a pregnant woman's diet is linked with risk for two types of serious birth defects, a new study from the Stanford University School of Medicine has shown.

Low-cost electronic tablet proves worth in Indian classroom
The creators of the low-cost I-slate electronic tablet are preparing for full-scale production now that a yearlong series of tests has shown that the device is an effective learning tool for Indian children.

Researchers transform iPhone into high-quality medical imaging device
In a feat of technology tweaking that would rival MacGyver, a team of researchers from UC Davis has transformed everyday iPhones into medical-quality imaging and chemical detection devices.

Hiring foreign talent has a positive impact on the national workforce
Researchers at Universidad Carlos III de Madrid are participating in a study that has determined that when high quality players from foreign countries are drafted to play on sports teams within a determined country, there is an improvement in the performance of that country's national team.

Antennas by General Dynamics enable 'early science' for ALMA
Highly specialized, scientifically advanced antennas come together to capture never-before seen details about the cosmos.

Significant variation in organ donations across all 4 UK countries
There are significant variations in the number and type of organ donations made across all four UK countries, reveals research published online in BMJ Open.

Study gauges emotional toll of direct-to-consumer genetic testing
Among the latest health care trends seeking to advance

Nanoparticles seek and destroy glioblastoma in mice
In a study published the week of Oct. 3 in the Proceedings of the National Academy of Sciences, scientists at Sanford-Burnham Medical Research Institute and the Salk Institute for Biological Studies combined a tumor-homing peptide, a cell-killing peptide, and a nanoparticle.

Stanford study of cox-2 inhibitors could lead to new class of stroke drugs
A study, in mice, by investigators at the Stanford University School of Medicine points toward potential new therapies for stroke, the nation's third-leading cause of death and foremost single cause of severe neurological disability.

Tick responsible for equine piroplasmosis outbreak identified
The cayenne tick has been identified as one of the vectors of equine piroplasmosis in horses in a 2009 Texas outbreak, according to US Department of Agriculture scientists.

Combination HPV diagnostic test for head and neck cancer outperformed other tests
Researchers have determined that a combination of P16 immunohistochemistry and DNA qPCR to test for viral E6 can accurately determine the oropharyngeal squamous cell carcinoma, a form of head and neck cancer, which derive from HPV16, according to a study published in Clinical Cancer Research, a journal of the American Association for Cancer Research.

Faulty intellectual disability genes linked to older dads at conception
Chromosomal abnormalities linked to intellectual disability can be traced back to the father, particularly those who are older when the child is conceived, finds research published online in the Journal of Medical Genetics.

Exotic quantum states: A new research approach
Theoretical physicists of the University of Innsbruck have formulated a new concept to engineer exotic, so-called topological states of matter in quantum mechanical many-body systems.

In reversing motor nerve damage, time is of the essence
When a motor nerve is severely damaged, people rarely recover full muscle strength and function.

New study finds familiarity increases the fullness that children expect from snack foods
New research, led by psychologists at the University of Bristol, has found that children who are familiar with a snack food will expect it to be more filling.

Increased fat in children raises their blood pressure risk
Overweight or obese children have almost three times the risk of high blood pressure compared to normal weight children.

EARTH: Cold case files; forging forensic isoscapes
Law enforcement may have a new crime-solving tool, courtesy of geoscientists.

Potential new treatment for stroke
New therapeutic targets are urgently needed for stroke, the third leading cause of death in the United States.

CSHL team finds evidence for the genetic basis of autism
Scientists at Cold Spring Harbor Laboratory have discovered that one of the most common genetic alterations in autism -- deletion of a 27-gene cluster on chromosome 16 -- causes autism-like features.

American Cancer Society report finds burden of breast cancer deaths shifts to poor
A new report from the American Cancer Society finds that a slower and later decline in breast cancer death rates among women in poor areas has resulted in a shift in the highest breast cancer death rates from women residing in affluent areas to those in poor areas.

Cancer patients in their 60s are tech-savvy
When cancer patients are given the choice, they are significantly more likely to use Web-based technology to answer questions about their quality of life six months after treatment, compared to a paper survey, according to a unique study presented at a scientific session, Oct.

Cell movement provides clues to aggressive breast cancer
Researchers from the University of Michigan Comprehensive Cancer Center have identified a specific molecule that alters how breast cancer cells move.

Researchers review studies on CCSVI-MS link
Studies that examined the possible link between vein blockages and multiple sclerosis are so inconsistent that it's impossible to reach a firm conclusion about the controversial theory, a new review has found.

Vitamin D deficiency common in cancer patients
More than three-quarters of cancer patients have insufficient levels of vitamin D and the lowest levels are associated with more advanced cancer, according to a study presented on Oct.

Employers less likely to interview openly gay men for job openings: Study
A new study suggests that openly gay men face substantial job discrimination in certain parts of the US.

Learning from our mistakes is hardwired, study suggests
People who think they can learn from their mistakes have a different brain reaction to errors than those who don't think they can learn from their mistakes, according to a groundbreaking study by Michigan State University researchers.

ALMA opens its eyes
Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers.

ALMA opens its eyes
The most powerful millimeter/submillimeter-wavelength telescope in the world, ALMA, opens for business, and astronomers reveal the range of science about to commence.

Stress hormones may increase cardiovascular risks for shift workers
A recent study accepted for publication in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM) found that shift work at a young age is associated with elevated long-term cortisol levels and increased BMI.

Rising carbon dioxide levels at end of last ice age not tied to Pacific Ocean, as had been suspected
After the last ice age peaked about 18,000 years ago, levels of atmospheric carbon dioxide rose about 30 percent.

IRB Barcelona spin-off to develop a diagnostic kit and new treatments for metastasis
Roger Gomis, ICREA researcher at the Institute of Research in Biomedicine has set up the spin-off Supragen.

Campaign for Cancer Prevention connects 6 million+ members on Facebook Causes to research at BWH
Today, CCP announces eight new cancer research projects at BWH aimed at early detection and ultimately, prevention.

Most cancer physicians reach out to bereaved family, caregivers
While the majority of surveyed cancer care physicians initiate contact with the bereaved family and caregivers of their patients who have died, over two-thirds do not feel they have received adequate training in this area during their residency or fellowship, according to a study presented Oct.

Suspects of child abuse homicide are convicted at rates similar to suspects of adult homicides
Child abuse homicide offenders appear to be convicted at a rate similar to that of adult homicide offenders in Utah and receive similar levels in severity of sentencing, according to a report in the October issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

University of California Santa Barbara study reveals how gas, temperature controlled bacterial response to Deepwater Horizon spill
In a new study, University of California Santa Barbara scientists explain how they used DNA to identify microbes present in the Gulf of Mexico following the Deepwater Horizon oil spill, and how they identified the microbes responsible for consuming the large amount of natural gas present immediately after the spill.

Boston College Researchers discover 2 early stages of carbon nanotube growth
Orderly rows of neatly aligned carbon nanotubes have served as the standard for nanotechnology researchers.

Carnegie partners with USA Science & Engineering Festival for second year
The world's largest celebration of science and engineering, the USA Science & Engineering Festival, will return to Washington, D.C., April 28-29, 2012.

Embargoed news from Annals of Internal Medicine
Below is information about articles being published in the Oct.

UCLA study shows cell-penetrating peptides for drug delivery act like a Swiss Army Knife
In a study published in PNAS, researchers at the UCLA Henry Samueli School of Engineering and Applied Science identify how HIV TAT peptides can have multiple interactions with the membrane, the actin cytoskeleton, and specific cell-surface receptors to produce multiple pathways of translocation under different conditions.

More screening needed to identify depression, vision loss after mild stroke
There is no such thing as a mild stroke. On the surface they appear unaffected, but people who have mild strokes may live with hidden disabilities, including depression, vision problems and difficulty thinking.

Priming with DNA vaccine makes avian flu vaccine work better
The immune response to an H5N1 avian influenza vaccine was greatly enhanced in healthy adults if they were first primed with a DNA vaccine expressing a gene for a key H5N1 protein, researchers say.

Nanotechnology holds promise for safer breast implants
A new review published in WIREs Nanomedicine and Nanobiotechnology explores how nanotechnology may be used to develop safer breast implants as an alternative to silicone rubber, minimizing health complications.

Study reports predictors of poor hand hygiene in an emergency department
Researchers studying hand hygiene of health-care workers in the emergency department found certain care situations, including bed location and type of health-care worker performing care, resulted in poorer hand hygiene practice.

ESC faculty presents education program in Argentina
Cardiovascular disease (CVD) accounts for a third of all deaths in Argentina and, according to recent data, there have been sharp increases in CVD risk factors among the Argentine population since 2005.

Severely impaired schizophrenics enter dynamic cycle of recovery after cognitive therapy
For the first time, researchers from the Perelman School of Medicine at the University of Pennsylvania have shown that a psychosocial treatment can significantly improve daily functioning and quality of life in the lowest-functioning cases of schizophrenia.

Mother Nature's oral antibiotics research gets $2.25 million help from NIH
Research from Case Western Reserve University School of Dental Medicine to study an isolated agent from common oral bacteria may hold the answer as to how human beta defensins can be used to create new treatments to block bacteria from entering through the epithelial linings on and in the body.

Decline and recovery of coral reefs linked to 700 years of human and environmental activity
Changing human activities coupled with a dynamic environment over the past few centuries have caused fluctuating periods of decline and recovery of corals reefs in the Hawaiian Islands, according to a study sponsored in part by the Institute for Ocean Conservation Science at Stony Brook University.

Overweight or obese kids at almost 3 times greater risk of high blood pressure
Overweight or obese children are at three times greater risk for high blood pressure than children of normal weight, according to researchers from the Regenstrief Institute and Indiana University School of Medicine.

First images from ALMA
First visualizations of ALMA test data are made public with unprecedented views of once-hidden star-formation in the colliding galaxy pair, the Antennae.

Study: Residential washers may not kill hospital-acquired bacteria
Residential washing machines may not always use hot enough water to eliminate dangerous bacteria like methicillin-resistant Staphylococcus aureus and Acinetobacter, a Gram-negative bacteria, from hospital uniforms, according to a study published in the November issue of Infection Control and Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America.

Referral to talking therapies may cut use of health services and sick leave
Referring patients with mental health problems to talking therapies seems to cut their use of health-care services and the amount of sick leave they take, suggests research published online in the Journal of Epidemiology and Community Health.

Biomarker for Huntington's disease identified
In a new research paper published in the Proceedings of the National Academy of Sciences early edition online, researchers identify a transcriptional biomarker that may assist in the monitoring of disease activity and in the evaluation of new medications.

Child abuse in birds: Study documents 'cycle of violence' in nature
For one species of seabird in the Galapagos, the child abuse

Poor footwear linked to foot impairment and disability in gout patients
New research shows that use of poor footwear is common among patients with gout.

Manipulated gatekeeper: How viruses find their way into the cell nucleus
Adenoviruses cause respiratory diseases and are more dangerous for humans than previously assumed.

New book on calcium signaling from Cold Spring Harbor Laboratory Press
Calcium ions play a critical role in signaling in a wide variety of cells and tissues, including muscle, immune cells, neurons, the liver, and oocytes.

New research shows $6.7 billion spent on unnecessary tests and treatments in one year
Researchers at Mount Sinai School of Medicine have found that $6.7 billion was spent in one year performing unnecessary tests or prescribing unnecessary medications in primary care, with 86 percent of that cost attributed to the prescription of brand-name statins to treat high cholesterol.

From compost to sustainable fuels: Heat-loving fungi sequenced
Two heat-loving fungi, often found in composts that self-ignite without flame or spark, could soon have new vocations.

Community effort brings lasting drop in smoking, delinquency, drug use
Delaying the age when kids try alcohol or smoking decreases the likelihood that they will become dependent later in life.

Mayo Clinic study: multiple surgeries and anesthesia exposure
Every year millions of babies and toddlers receive general anesthesia for procedures ranging from hernia repair to ear surgery.

Examining motherly fears
Neighborhood poverty is likely to make a mother more fearful about letting her children play outdoors, according to a new study by sociologists at Rice University and Stanford University.

AACR hosts 10th International Conference on Frontiers in Cancer Prevention Research
The conference is to highlight advances in preventing cancer before it strikes.

Scripps and Complete Genomics to collaborate on genetic research study on healthy aging
Complete Genomics Inc., the whole human genome sequencing company, and the not-for-profit Scripps Health system today announced a major collaboration that will help further the Wellderly Study, a landmark scientific research initiative aimed at unlocking the genetic secrets of lifelong health.

Global biotech firm partners with CHEO researcher to address a technology gap in infectious disease
The Children's Hospital of Eastern Ontario Research Institute is pleased to announce that one of its principal investigators in infectious disease has signed a contract with Life Technologies, an internationally renowned biotech tools company headquartered in Carlsbad, Calif., to share information that will help to develop tests that uniquely amplify and detect the DNA coding for infectious diseases.

Penn-developed online informed consent tool could boost number of patients in cancer clinical trials
A new multimedia informed consent tool accessed via the Internet may make it easier for cancer patients to understand and feel comfortable enrolling in clinical trials, at the University of Pennsylvania that will be presented at the American Society for Radiation Oncology's 53rd Annual Meeting.

Worm-tracking challenge leads to new tool for brain research
Using new optical equipment, a team of 11 researchers put roundworms into a world of virtual reality, monitored both their behavior and brain activity and gained unexpected information on how the organism's brain operates as it moves.

LA BioMed to unveil new Chronic Diseases Clinical Research Center
David I. Meyer, Ph.D., president and CEO of Los Angeles Biomedical Research Institute, announced plans to break ground on a new Chronic Diseases Clinical Research Center on the campus of Harbor-UCLA Medical Center in Torrance, Calif., home to LA BioMed.

Breakthrough brain study reveals stress code
Neuroscientists investigating the 'brain code' claim to have made a significant step forwards in understanding how the brain deals with stress- and mitigates its impact.

Researchers watch amyloid plaques form
Researchers use optical trapping to take a detailed look at the early minutes of amyloid aggregate formation, a process important in Alzheimer's disease.

Parental weight strongly influences thinness in children
Children with thinner parents are three times more likely to be thin than children whose parents are overweight, according to a new study by UCL researchers.

Institute for Genomic Biology, School of Integrative Biology receive major NSF training grant
The National Science Foundation has awarded the Institute for Genomic Biology and the School of Integrative Biology a $3.2 million training grant.

Tuberculosis bacterium's outer cell wall disarms the body's defense to remain infectious
The bacterium that causes tuberculosis has a unique molecule on its outer cell surface that blocks a key part of the body's defense.

Sentinel lymph node biopsy predicts outcomes for Merkel cell carcinoma
Patients with Merkel cell carcinoma who underwent a procedure called sentinel lymph node biopsy had a lower risk of cancer recurrence after two years, according to a study by researchers from Fox Chase Cancer Center.

Rebooting the system: Immune cells repair damaged lung tissues after flu infection
There's more than one way to mop up after a flu infection.

Social media sites may reveal information about problem drinking among college students
Social media websites, such as Facebook and MySpace, may reveal information that could identify underage college students who may be at risk for problem drinking, according to a report published online first by Archives of Pediatrics and Adolescent Medicine, one of the JAMA/Archives journals.

WUSTL scientist wins prestigious Presidential Early Career Award
The White House announced Sept. 27 that Lan Yang, Ph.D., assistant professor of electrical and systems engineering in the School of Engineering & Applied Science of Washington University in St.

Certain therapies appear beneficial in reducing PTSD symptoms in some trauma survivors
Prolonged exposure therapy, cognitive therapy, and delayed prolonged exposure therapy, appear to reduce posttraumatic stress disorder symptoms in patients who have experienced a recent traumatic event, according to a report published online first by Archives of General Psychiatry, one of the JAMA/Archives journals.

Polymeric material has potential for noninvasive procedures
Scientists at the University of California, San Diego, have developed what they believe to be the first polymeric material that is sensitive to biologically benign levels of near infrared irradiation, enabling the material to disassemble in a highly controlled fashion.

Virtual fly-through bronchoscopy yields real results
For patients with non-small cell lung cancer the accurate determination of the lymph node status before therapy is critical to develop an individualized treatment plan.

Bacteria enter via mucus-making gut cells
Cells making slippery mucus provide a sticking point for disease-causing bacteria in the gut, according to a study published on Oct.

Hopkins study finds MRI tests safe for people with implanted cardiac devices
Magnetic Resonance Imaging, an important diagnostic test, has traditionally been off limits to more than two million people in the United States who have an implanted pacemaker to regulate heart rhythms or an implanted defibrillator to prevent sudden cardiac death.

Rising CO2 levels at end of Ice Age not tied to Pacific Ocean
At the end of the last Ice Age, atmospheric carbon dioxide levels rose rapidly as the planet warmed; scientists have long hypothesized that the source was CO2 released from the deep ocean.

JCI online early table of contents: Oct. 3, 2011
This release contains summaries, links to PDFs, and contact information for the following newsworthy papers to be published online, Oct.

How the brain makes memories: Rhythmically!
The brain learns through changes in the strength of synapses -- the connections between neurons -- in response to stimuli.

In reading facial emotion, context is everything
In a close-up headshot, Serena Williams' eyes are pressed tensely closed; her mouth is wide open, teeth bared.

'Mirage-effect' helps researchers hide objects
Scientists have created a working cloaking device that not only takes advantage of one of nature's most bizarre phenomenon, but also boasts unique features; it has an

UT Southwestern scientist shares 2011 Nobel Prize in Physiology or Medicine
Dr. Bruce A. Beutler, the new director of the Center for the Genetics of Host Defense at UT Southwestern Medical Center, today shared the Nobel Prize in Physiology or Medicine with two other scientists for their discoveries in how the immune system works.

When water and air meet
Findings by researchers at the RIKEN Advanced Science Institute and their colleagues at Tohoku University and in the Netherlands have resolved a long-standing debate over the structure of water molecules at the water surface.

Premature birth may increase risk of epilepsy later in life
Being born prematurely may increase your risk of developing epilepsy as an adult, according to a new study published in the Oct.

Study finds use of hormonal contraception doubles a woman's chance of becoming infected with HIV and of transmitting the virus to their male partner
Using hormonal contraception doubles a women's risk of acquiring HIV-1 and of transmitting the virus to their male partner, according to a study of nearly 3,800 couples published online first in the Lancet Infectious Diseases.

Penn receives $12.5 million from NIH to speed discovery to patient care
Three labs from the University of Pennsylvania have received $12.5 million from the National Institutes of Health as part of its $143.8 million national grant program to challenge the scientific status quo with innovative ideas that have the potential to speed the translation of medical research into improved health for the American public.

Brand name advertising clicks with online shoppers
Brand names in online search engine advertising campaigns can attract more attention and encourage more sales than campaigns that use generic terms, according to Penn State researchers.

College football players can cry (a little) if they want to
While there's no crying in baseball, as Tom Hanks' character famously proclaimed in

Fighting prejudice through imitation
New research shows that you can reduce racial prejudice simply by having a person mimic the movements of a member of the race he or she is prejudiced against.

Nursing home hospitalizations often driven by payer status
The decision by nursing homes whether or not to treat an ill resident on-site or send them to a hospital are often linked to that person's insurance status.

NSF Frontiers in Earth-System Dynamics awards explore links among Earth processes and systems
To explore the connections among Earth's systems, the National Science Foundation has made seven awards totaling $33 million.

Higher quality diet associated with reduced risk of some birth defects
Healthier dietary choices by pregnant women are associated with reduced risks of birth defects, including neural tube defects and orofacial clefts, according to a study published online first by the Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Fisher-Price iXL Learning System wins the 2011 User-Centered Product Design Award
The Product Design Technical Group of the Human Factors and Ergonomics Society congratulates Fisher-Price on receiving the 10th User-Centered Product Design Award for its iXL Learning System, a

Raw sewage: Home to millions of undescribed viruses
Biologists have described only a few thousand different viruses so far, but a new study reveals a vast world of unseen viral diversity that exists right under our noses.

Scientists find mechanism that leads to drug resistance in bacteria causing melioidosis
Researchers in South East Asia have identified a novel mechanism whereby the organism Burkholderia pseudomallei -- the cause of melioidosis, a neglected tropical infectious disease -- develops resistance to ceftazidime, the standard antibiotic treatment.

St. Michael's researchers discover new enzyme function for anemia
Researchers at St. Michael's Hospital have discovered a new function for an enzyme that may protect against organ injury and death from anemia.

'Benevolent sexism' is not an oxymoron and has insidious consequences for women
Recent debate about whether acts of

Pale people may need vitamin D supplements
Fair-skinned people who burn quickly in the sun may need to take supplements to ensure they get the right amount of vitamin D, new research finds today.
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