Brightsurf Science News & Current Events

January 21, 2013
Stopping smoking reduces risk of bacterial pneumonia in people with HIV
Bacterial pneumonia is one of the commonest and most serious infections occurring in people infected with HIV.

Hearing loss may be related to cognitive decline in older adults
Hearing loss appears to be associated with accelerated cognitive decline and cognitive impairment in a study of older adults.

Perfectionism and eating disorders: A complex issue
Two aspects of perfectionism are involved in body dissatisfaction and the development of eating disorders, according to a study of over a thousand women published this week in BioMed Central's open access journal, Journal of Eating Disorders.

Workplace link to 1 in 6 cases of adult asthma among UK baby boomers
The workplace may be responsible for around one in six cases of adult asthma among the British baby boomer generation - those born in the late 1950s - reveals research published online in the respiratory journal Thorax.

Study finds linchpin of skin response to UVA light
Researchers have strengthened their understanding of how skin cells called melanocytes sense ultraviolet light and act to protect themselves with melanin.

Kate Ravilious and Liz Kalaugher awarded EGU Science Journalism Fellowship
The European Geosciences Union has named journalists Kate Ravilious and Liz Kalaugher as the winners of its second Science Journalism Fellowship competition for projects on reporting continental earthquakes and climate-change effects on ecosystems, respectively.

New evidence indicates auroras occur outside our solar system
University of Leicester-led study suggests 'northern lights' occur on some small and 'failed' stars.

Study suggests increased diagnosis rate of attention-deficit/hyperactivity disorder at health plan
A study of medical records at the Kaiser Permanente Southern California health plan suggests the rate of attention-deficit/hyperactivity disorder diagnosis increased from 2001 to 2010.

Researchers analyse 'rock dissolving' method of geoengineering
The benefits and side effects of dissolving particles in our ocean's surfaces to increase the marine uptake of carbon dioxide, and therefore reduce the excess amount of it in the atmosphere, have been analyzed in a new study published today.

Study: Bariatric surgery in extremely obese adolescents
According to a recent study published in the January print issue of the Journal of Pediatric Surgery, bariatric surgery in extremely obese adolescents also was shown to be beneficial in helping to reverse previously undiagnosed cardiovascular abnormalities believed to be linked to severe obesity.

Monkeys stressed from longer foraging times
Disturbed habitats are resulting in increasingly poor diets for monkeys, and the additional time required to find food is causing concerning levels of stress in endangered primates.

Human-tiger conflict: Are the risks overestimated?
Wildlife conservationists are well aware of the potential conflicts that exist between the endangered species and the human populations.

A relative from the Tianyuan Cave
Ancient DNA has revealed that humans living some 40,000 years ago in the area near Beijing were likely related to many present-day Asians and Native Americans.

Elsevier announces the launch of a new journal: Journal of Environmental Chemical Engineering
Elsevier, a world-leading provider of scientific, technical and medical information products and solutions, is pleased to announce the launch of a new journal, Journal of Environmental Chemical Engineering.

New way to kill lymphoma without chemotherapy
Scientists annihilated lymphoma by depriving it of a favorite food: HDL cholesterol.

Overlooked ugly cholesterol causes heart disease
The risk of ischaemic heart disease -- a disease affecting some 150,000 Danes -- is three times higher in persons with high levels of the so-called

Obese much more likely to die in car crashes than normal weight drivers
Obese drivers are significantly more likely to die in a road traffic collision than people of normal weight, indicates US research published online in Emergency Medicine Journal.

Molecular forces are key to proper cell division
Working with fruit fly tissue culture cells, Maresca and graduate students have a way to watch and record images of the key players in cell division including microtubule filaments that form the mitotic spindle, sites called kinetochores that mediate chromosome-microtubule interactions, and a force generated by molecular engines called the polar ejection force, which is thought to help line up the chromosomes in the middle of the spindle for division.

Enzyme helps cancer cells avoid genetic instability
Cancer cells are resourceful survivors with plenty of tricks for staying alive.

Hearing loss accelerates brain function decline in older adults
Older adults with hearing loss are more likely to develop problems thinking and remembering than older adults whose hearing is normal, according to a new study by hearing experts at Johns Hopkins.

New findings on mortality of individuals with schizophrenia
A new study from Lund University in Sweden shows that the average life expectancy of men and women with schizophrenia is 15 years and 12 years shorter respectively than for those who do not suffer from the disease.

Annals of Internal Medicine Tip Sheet for Jan. 22, 2013
Below is information about articles being published in the Jan.

Penn study sheds light on the complexity of gene therapy for congenital blindness
Independent clinical trials have reported safety and efficacy for Leber congenital amaurosis (LCA), a congenital form of blindness caused by mutations in a gene required for recycling vitamin A in the retina.

New technology shows diabetes
A new imaging method for the study of insulin-producing cells in diabetes among other uses is now being presented by a group of researchers at UmeƄ University in Sweden in the form of a video in the biomedical video journal, the Journal of Visualized Experiments.

Researchers show how cells' DNA repair machinery can destroy viruses
A team of researchers based at Johns Hopkins has decoded a system that makes certain types of immune cells impervious to HIV infection.

New 2D material for next generation high-speed electronics
Scientists at CSIRO and RMIT University have produced a new two-dimensional material that could revolutionize the electronics market, making

Smoke-free law linked to large fall in child asthma hospital admissions
The introduction of smoke-free legislation in England was immediately followed by a fall in the number of children admitted to hospital with asthma symptoms, a new study has found.

Study suggests link between regular aspirin use, increased risk of age-related macular degeneration
Regular aspirin use appears to be associated with an increased risk of neovascular age-related macular degeneration, which is a leading cause of blindness in older people, and it appears to be independent of a history of cardiovascular disease and smoking.

Cleaning jobs linked to asthma risk
A new study has found strong evidence for a link between cleaning jobs and risk of developing asthma.

Enzyme replacement therapy shows promising results in X-linked myotubular myopathy
A collaborative research team including a Medical College of Wisconsin pediatric neuropathologist successfully mitigated some of the effects of a muscular disease by using a new targeted enzyme replacement therapy strategy from 4s3 Bioscience.

Towards healthy eating: BioMed Central announce launch of Journal of Eating Disorders
Open access publisher BioMed Central is proud to announce the launch of the Journal of Eating Disorders.

Immune function in critically ill kids with influenza reveals immune suppression in non-survivors
Investigators from 15 children's medical centers, including Nationwide Children's Hospital, observed and evaluated critically ill children with influenza to evaluate the relationships between levels of systemic inflammation, immune function and likelihood to die from the illness.

Study finds childhood diagnosis of ADHD increased dramatically over 9-year period
The rate of children diagnosed with Attention Deficit Hyperactivity Disorder rose dramatically between 2001 and 2010 with non-Hispanic white children having the highest diagnosis rates, according to a Kaiser Permanente study published in the journal JAMA Pediatrics (formerly Archives of Pediatrics and Adolescent Medicine).

Protein structure: Immune system foiled by a hairpin
The innate immune system detects invasive pathogens and activates defense mechanisms to eliminate them.

UBC research: Forget about fair - It's better when bosses pick favorites
A new study from the University of British Columbia Sauder School of Business shows that bosses should pick favorites if they want top performing teams.

Longer CPR extends survival in both children and adults
Experts from the Children's Hospital of Philadelphia were among the leaders of two large national studies showing that extending CPR longer than previously thought useful saves lives in both children and adults.

Cotton with special coating collects water from fogs in desert
Researchers at Eindhoven University of Technology together with researchers at the Hong Kong Polytechnic University, have developed a special treatment for cotton fabric that allows the cotton to absorb exceptional amounts of water from misty air: 340 percent of its own weight.

Nearly half of children under 2 years of age receive some vaccinations late
In a new study published today in JAMA Pediatrics (formerly Archives of Pediatrics and Adolescent Medicine), Kaiser Permanente researchers found that 49 percent of children ages 2-24 months did not receive all recommended vaccinations or did not get vaccinated according to the Advisory Committee on Immunization Practices schedule.

Elsevier launches new journal: Journal of Contextual Behavioral Science
Elsevier, a world-leading provider of scientific, technical and medical information products and solutions, is pleased to announce the launch of the official journal of the Association for Contextual Behavioral Science, the Journal of Contextual Behavioral Science.

A DNA chip is developed to diagnose attention deficit hyperactivity disorder
Attention Deficit Hyperactivity Disorder (ADHD) is the most common childhood neuropsychiatric disorder.

Mama bear knows best, University of Alberta study shows
Mama bear appears to know best when it comes to selecting a place to call home, according to a new University of Alberta study.
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