ScienceDaily Health Headlines

for the Week of February 13 to February 20, 2011

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Posted 2011-02-19:

• Asthma tied to bacterial communities in the airway
• Mind over matter: EECoG may finally allow enduring control of a prosthetic or a paralyzed arm by thought alone
• Efficacy of tuberculosis vaccine enhanced thanks to new research
• Women are better at forgiving, Spanish study finds
• Conventional wisdom of how neurons operate challenged: Axons can work in reverse
• Research predicts future evolution of flu viruses
• Augmented reality system for learning chess
• Scheduled deliveries raise risks for mothers, do not benefit newborns, study finds
• How couples recover after an argument stems from their infant relationships

Posted 2011-02-19:

• Fountain of youth from the tap? Environmental lithium uptake promotes longevity, scientists demonstrate
• Study links hypoxia and inflammation in many diseases
• Scientists bioengineer a protein to fight leukemia
• Value of therapeutic hypothermia after cardiac arrest confirmed by new research
• High-caffeine-consuming boys get greater rush from caffeine than girls
• Brain function linked to birth size; Study sheds light on mental health problems later in life
• Identification of glaucoma gene brightens view for future therapies
• Reverse genetics allow scientists to slow spread of Rubella virus
• Children in public housing play outdoors more
• Male fertility is in the bones: First evidence that skeleton plays a role in reproduction
• Chemical guided missile could be the answer to wiping out cancer
• Portable pedal machines may help counter harmful effects of sedentary jobs
• The real avatar: Swiss researchers use virtual reality and brain imaging to hunt for the science of the self
• Benefits of electrical stimulation therapy found with people paralyzed by spinal cord injury
• Link between obesity, high-fat meals and heart disease reinforced by new study
• Farther and farther apart: The more you know a place, the more likely your memory will play spatial tricks
• Eggs' quality control mechanism explained
• Controlling a computer with thoughts?
• Sleeping Trojan horse to aid imaging of diseased cells
• Improving microscopy by following the astronomers' guide star
• Promise of genomics research needs a realistic view, experts urge
• Warm weather may hurt thinking skills in people with multiple sclerosis
• Total knee replacement patients functioning well after 20 years, study finds
• Broader psychological impact of 2010 Gulf of Mexico oil spill
• Swedish discovery could lead to new stroke therapy
• Checklist cuts lethal ventilator-associated lung infections
• Chronically ill children are 88% more likely to suffer physical abuse, Swedish researchers find
• Cost-effectiveness research needs to be considered in developing new medical technology, expert argues
• Ability of professional dancers to return to their career after hip arthroscopy explored in new study
• Knee replacement surgeries take more time, are more costly in overweight individuals, study finds
• High-volume hospitals improve orthopedic outcomes, study finds
• New discipline of aeroecology introduced

Posted 2011-02-18:

• New testing could replace colonoscopies in the future
• Group of enzymes could have a positive impact on health, from cholesterol to osteoporosis
• Female topics encourage girls to study science, study finds
• Promising treatment for heroin dependency
• Neurologists develop software application to help identify subtle epileptic lesions
• Mobile phone use not related to increased brain cancer risk, UK study suggests
• Cigarette smoking increases production of mucus in patients with bronchitis
• Innovative virtual reality exposure therapy shows promise for returning troops
• Treatment for manic-depressive illness restores brain volume deficits
• Biomarker discovery may lead to reliable blood test for ectopic pregnancy
• Children of working moms face more health problems, study suggests
• Regrowing hair: Researchers may have accidentally discovered a solution
• Key culprit identified in breast cancer metastasis
• Water softeners not found to improve childhood eczema
• Waking up is hard to do: Scientists identify a gene important for the daily rhythms of the sleep-wake cycle
• Researchers reveal first autism candidate gene that demonstrates sensitivity to sex hormones
• Tau-induced memory loss in Alzheimer’s mice is reversible; Study raises hopes for the development of effective therapies
• Host genetics plays unexpected role in dance with pathogen
• Lie detection: Misconceptions, pitfalls and opportunities for improvement
• Drug therapy shows significant benefit in treating a leading cause of childhood blindness
• Eating berries may lower risk of Parkinson's
• Biomarker could make diagnosing knee injury easier, less costly, othopaedists say
• Security weaknesses in file-sharing methods used in clinical trials revealed
• Who's the boss? Americans respond faster to those with high social status
• Whole genome sequencing used to help inform cancer therapy
• Customized knee replacement depends on surgeon's skill, not implant design, study finds
• Risks for quitting college identified
• Palliative radiotherapy for bone metastases guideline published

Posted 2011-02-17:

• Dwarfism gene linked to protection from cancer and diabetes
• Bleeding disorder often misdiagnosed, study suggests
• Statin may affect markers associated with progression of HIV, trial suggests
• To escape blame, be a victim, not a hero, new study finds
• Brain insulin plays critical role in the development of diabetes
• New pneumococcal vaccine approach successful in early tests; Vaccine inhibits bacteria by mimicking naturally-acquired immunity
• Dial 5683 for love: Dialing certain numbers on a cell phone changes your emotional state
• Hearing with your nose: How nasal stem cells could tackle childhood hearing problems
• Using chlorhexidine gluconate baths to reduce hospital-acquired infections
• Got a goal? A helpful partner isn't always helpful
• Increasing brain enzyme may slow Alzheimer's disease progression; Study finds damaging accumulation of tau proteins removed
• Losing hair at 20 is linked to increased risk of prostate cancer in later life, study finds
• Researchers model fetal-to-adult hemoglobin switching: Important step towards cure for blood diseases
• Drivers engaging in a secondary task may pay more attention to the road, study suggests
• Scientists discover cell of origin for childhood muscle cancer
• Surgery without incisions for heartburn
• Analysis of violent deaths of Iraqi civilians between 2003-2008
• Zinc reduces the burden of the common cold
• Lavender oil has potent antifungal effect
• Overabundance of protein expands breast cancer stem cells; Two drugs block cancer-promoting chain of events
• Wireless device helps athletes get the most out of exercise
• Video games to enhance learning
• New study finds no cognitive impairment among ecstasy users
• Atomic model of tropomyosin bound to actin
• Alcohol's disruptive effects on sleep may be more pronounced among women
• Good diets fight bad Alzheimer's genes: Diets high in fish oil have a beneficial effect in patients at risk, researcher says
• Designing new molecular tools to study the life and death of a cancer cell
• One third of us have tried dating websites with middle-aged suitors using them most
• Parenting after the death of a child a difficult balancing act
• Latino siblings of children with developmental disabilities at risk, study finds
• Health care spending: Study shows high imaging costs for defensive purposes

Posted 2011-02-16:

• Mental retardation gene provides insights into brain formation
• Active wound healing can accelerate tumor formation, study finds
• New malaria vaccine depends on … mosquito bites?
• Method of DNA repair linked to higher likelihood of genetic mutation
• You are what you app: Choice of smartphone applications define your computing style
• 'Healthy' patients at high risk of cardiac death identified
• Obesity and knee osteoarthritis shorten healthy years of life
• Why problem drinking during adolescence is never a 'phase'
• Molecular link between reproduction in yeast and humans
• Hearing loss associated with development of dementia
• Gene that regulates immune system linked to preeclampsia
• Many consumers believe 36 months is longer than 3 years
• Genetic evidence that antioxidants can help treat cancer
• Obese women may be less likely to develop glaucoma
• Calorie labeling has no effect on teenagers' or parents' food purchases, study finds
• Earliest humans not so different from us, research suggests
• How p53 is inactivated in cancerous cells, allowing tumors to grow
• Vegans' elevated heart risk requires omega-3s and B12, study suggests
• Two pesticides -- rotenone and paraquat -- linked to Parkinson's disease, study suggests
• Women with eating disorders draw a different picture of themselves than women without, study suggests
• Abnormal control of hand movements may hint at ADHD severity in children
• Most stroke patients not getting clot-busting treatment in timely manner
• Don't blame the pill for estrogen in drinking water
• Stroke takes 'enormous toll' on Hollywood stars
• An early step in Parkinson's disease: Problems with mitochondria
• Estrogen reduces breast cancer stem cells and aggression in breast cancer, study suggests
• New anti-clotting drug added to recommendations for treating irregular heartbeat
• Magnesium sulfate may offer protection from cerebral palsy, study suggests
• Few physicians refer patients to cancer clinical trials
• Preterm birth clinic attendence leads to major reduction in infant disability
• Scientists warn against stifling effect of widespread patenting in stem cell field
• Macho muscle cells force their way to fusion
• Financial planning a key but neglected component of Alzheimer's care
• Density of neighborhood liquor stores is especially risky for African-Americans who drink, study finds

Posted 2011-02-15:

• Moderate-to-heavy alcohol intake may increase risk of atrial fibrillation
• Use of alcohol-free antibacterial mouth-rinse is associated with decrease in preterm birth
• Total cooperation among people is not viable, Spanish study finds
• Not so fast: Differences in the first embryonic cell lineage decision of mammals
• Quest for designer bacteria uncovers a 'Spy'
• Early signs of heart disease in preadolescent children with type 1 diabetes
• Working toward automating sedation in intensive care units
• United Kingdom is a nation of happy couples, study finds
• Jumping genes: Tumor microvesicles reveal detailed genetic information
• Pesticide-free method takes a bite out of mosquito-borne disease
• Playtime helps bind generations
• Mummy remains show false toes helped ancient Egyptians walk
• Offspring of female rats given folic acid supplements develop more breast cancer, study suggests
• New gene test offers personalized treatment for inherited neuromuscular disorder
• Trial and error: The brain learns from mistakes
• Clues to mystery of preterm delivery
• Partnership of genes affects the brain's development
• Electronic fetal heart rate monitoring greatly reduces infant mortality, study finds
• Thoughts of hopes, opportunities keep people from clinging to failing investments
• Light shed on RNA 'on/off switches'
• Severely obese women may need to gain less weight during pregnancy
• You benefit if your romantic partner recovers well from spats
• Heat therapy could be new treatment for parasitic skin disease
• Sugar residues regulate growth and survival of nerve cells
• Naturally occurring brain signaling chemical may be useful in understanding Parkinson's
• Enhance romance by going out with other couples
• Gonorrhea acquires a piece of human DNA: First evidence of gene transfer from human host to bacterial pathogen
• How adult stem cell therapy reduces inflammatory damage
• Stroke rehabilitation: Walking improves with home therapy just as well as treadmill training, study suggests
• Child soldier trauma in Uganda shares similarities with Northern Ireland
• How do consumers react when friends provide poor service in a business arrangement?
• George Clooney or Saddam Hussein? Why do consumers pay for celebrity possessions?

Posted 2011-02-14:

• Chinks in the brain circuitry make some more vulnerable to anxiety
• Embryonic stem cells help deliver 'good genes' in a model of inherited blood disorder

Posted 2011-02-13:

• Acute anemia linked to silent strokes in children
• Nanoparticles may enhance circulating tumor cell detection
• Even with fetal lung maturity, babies delivered prior to 39 weeks are at risk
• Kids with ADHD much more likely to develop substance abuse problems as they age, study finds
• Firefly glow: Scientists develop a hydrogen peroxide probe based on firefly luciferin
• Compound blocks brain cell destruction in Parkinson's disease; Findings may open door to first protective therapy
• Leptin resistance may prevent severe lung disease in patients with diabetes
• Scientists hope to cut years off development time of new antibiotics
• In online dating, blacks more open to romancing whites than vice versa, study finds

Posted 2011-02-12:

• New drug treatment possibilities for Alzheimer's
• New way to attack pathogens: RNA recycling system gone awry brings MRSA to a halt
• Experts urge even greater caution in use of X-rays during pregnancy and infancy
• JPEG for the mind: How the brain compresses visual information
• Scientists combine targeted agents to kill multiple myeloma cells
• Root cause of blood vessel damage in diabetes discovered
• Reduced levels of an important neurotransmitter found in multiple sclerosis patients
• Young children choose to share prizes after working together
• New view of human evolution? 3.2 million-year-old fossil foot bone supports humanlike bipedalism in Lucy's species
• New hybrid drug, derived from common spice, may protect, rebuild brain cells after stroke
• Study seeks new way to enhance neuron repair in spinal cord injury
• Looking at a tough hill to climb? Depends on your point of view
• Virus, parasite may combine to increase harm to humans
• Natural toxin implicated as triggering Parkinson's disease
• Preservative-free nasal spray appears safe, remains sterile
• Exercise helps overweight children think better, do better in math
• Experimental agent better than aspirin at preventing stroke, study suggests
• Eyewitness memory susceptible to misinformation after testing
• Hearing loss common following radiation therapy for head and neck cancer
• Is it time for all skiers to wear helmets?
• How much information is there in the world?
• Circulating blood antibodies are not required for HIV protection, study suggests
• Discovery may lead to turning back the clock on ovarian cancer
• Study examines relationship between autoimmune skin disease and neurologic disorders
• Pollution controls used during China Olympics could save lives if continued, study concludes
• Handwriting problems affect children with autism into the teenage years
• Gene mutations linked to high blood pressure
• Preventing heart failure and increasing survival rates in cancer patients
• Study examines surgeons' stress related to surgery and night duty
• Experts release large studies on osteonecrosis of the jaw
• Third trimester group B streptococcus test doesn't accurately predict presence during labor

Posted 2011-02-11:

• Surprising view of brain formation: Discovery of a new mechanism may have implications for a host of diseases
• Folic acid may increase the risk of asthma, study suggests
• Unappreciated dynamism of blood cell production
• Robot therapy can improve arm, shoulder mobility after stroke
• Choices -- not discrimination -- determine success for women scientists, experts argue
• Extra testosterone reduces your empathy, researchers find
• Salivary glands as organs of immunity: New research makes oral immunization easier to swallow
• Long- and short-sleeved physician workwear receive same amount of bacterial and MRSA contamination
• Spring break: College students and risky behaviors
• Motorcycle helmets reduce spine injuries after collisions; Helmet weight as risk to neck called a 'myth'
• When first-time mothers are induced, breaking the amniotic membrane shortens delivery time
• Neural mechanisms linked with vulnerability to anxiety
• Common insecticide used in homes associated with delayed mental development of young children
• Immune system genes associated with increased risk of mental illness, new research suggests
• Looking at your body reduces pain
• Diet soda may raise odds of vascular events; Salt linked to stroke risk
• Skin cells used to develop possible heart defect treatment in first-of-its-kind study
• Experimental approach may improve healing of diabetic wounds and bed sores
• Crocodile tears don't fool us all: Study gives behavioral clues to spot fabricated versus genuine displays of remorse
• Photodynamic therapy against cancer
• Chocolate is a 'super fruit': Rich source of antioxidants
• Human and mouse studies sharpen focus on cause of celiac disease
• Behavioral problems linked to cortisol levels: Study finds intervention needed as soon as behavioral problems appear
• 'Gene desert' on chromosome 9 is hotspot for coronary artery disease risk
• Advanced macular degeneration is associated with an increased risk of bleeding stroke, study finds
• Key to better health care may be a walk in the park
• New technology in human trials to spot cardiac disease, cancer, drug abuse: Diagnostic chip may help hearts, cut costs
• Everolimus improves progression-free survival for patients with rare pancreatic cancer, study finds
• Stroke in Mexican-Americans expected to rise 350 percent in next 40 years
• Younger stroke victims benefit from earlier MRIs, ambulance rides to ER
• Trial will test whether surgery is the best option for type 2 diabetes
• Foot bone suggests Lucy's kin had arched foot, for walking
• Homogeneous tuberculosis treatment ineffective in children, study suggests

Posted 2011-02-10:

• Fetal surgery takes a huge step forward in treating children with spina bifida
• How omega-3 fatty acids help prevent several forms of blindness
• Poorer patients have more severe ischemic strokes, study indicates
• Public sector research responsible for many new drug discoveries, researchers find
• Microsponges from seaweed may save lives
• Stockpiled avian flu vaccine could protect against potential pandemic
• Toward a fast, simple test for detecting cholera rampaging in 40 countries
• Girls' interest in computing science piqued by making video games
• Primates' unique gene regulation mechanism: Little-understood DNA elements serve important purpose
• What makes fructose fattening? Some answers found in the brain
• Early detection of lung cancer: Protein biomarkers in exhaled air
• Personal well-being is linked to national satisfaction, especially when times are tough
• Sweeping view of prostate cancer genome yields deep insights
• Elevated levels of cardiac biomarkers following CABG surgery associated with increased risk of death
• Parkinson’s disease undermines language processing
• Dramatic improvement in Parkinson disease symptoms following intranasal delivery of stem cells to rat brains
• New techniques for stapling peptides could spur development of drugs for cancer
• Popular students -- but not the most popular -- more likely to torment peers , study finds
• Brain's 'radio stations' have much to tell scientists
• Gene protects lung from damage due to pneumonia, sepsis, trauma, transplants
• New explanation for heart-healthy benefits of chocolate
• Researchers predict nearly 1.3 million cancer deaths in Europe in 2011
• As many as three in four hospital tests not followed up after discharge, international study finds

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