ScienceDaily Health Headlines -- for the Week of February 6 to February 13, 2011

ScienceDaily Health Headlines

for the Week of February 6 to February 13, 2011

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Posted 2011-02-12:

• 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

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
• Foot bone suggests Lucy's kin had arched foot, for walking

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
• Border patrol: Immune cells protect body from invaders
• The hitch in the drug? The itch in the drug: Scientists discover clue to ending chronic itching side effect of certain drugs
• Method to identify fleetingly ordered protein structures identified
• Huge decline in HIV rates in Zimbabwe driven by fear of infection, says study
• Why HIV-uninfected babies born to mothers with HIV might be more vulnerable to infections
• Second pathway for antidepressants: New fluorescent assay reveals TREK1 mechanism
• Limited lymph node removal for certain breast cancer does not appear to result in poorer survival
• Heavy drinking in older teenagers has long- and short-term consequences
• Key role proposed for pediatricians in curbing tobacco use
• From base pairs to bedside: Charting a course for the next phase of genomics research
• Ischemic stroke hospitalizations decline in middle-aged, elderly, increases in young
• Innovative iPhone app developed to carry out psychological and social research

Posted 2011-02-09:

• Turning bacteria against themselves
• Generic drug may improve the effectiveness of cancer nanotherapies
• Male cancer survivor offspring slightly higher risk of congenital birth abnormalities
• Charismatic leadership can be measured, learned, study finds
• Brief diversions vastly improve focus, researchers find
• Delayed-enhancement MRI may predict, prevent strokes, study shows
• Figuring out fetal alcohol syndrome in fruit flies
• What your TV habits may say about your fear of crime
• Processed food diet in early childhood may lower subsequent IQ
• Combining brain imaging, genetic analysis may help identify people at early risk of Alzheimer's
• Sleep deprivation: Late nights can lead to higher risk of strokes and heart attacks, study finds
• Lack of sleep found to be a new risk factor for colon cancer
• Conceptualizing cancer cells as ancient 'toolkit'
• Hope for stroke victims
• Bad things seem even worse if people have to live through them again
• Sun exposure, vitamin D may lower risk of multiple sclerosis
• Urine-sniffing dogs: Early detection of prostate cancer
• New link between genes and stress response, depression: Neuropeptide Y
• Antipsychotics for schizophrenia associated with subtle loss in brain volume
• Evolution led to genetic variation that may affect diabetes, scientist says
• Lifestyle affects life expectancy more than genetics, Swedish study finds
• Psychotic illness appears to begin at younger age among those who use cannabis
• Risk of cancer increases with exposure to low-dose radiation from cardiac imaging, study finds
• Digital signal processing helps researchers get a grip on nervous system's receptors
• Therapy to prevent heart failure more effective in women than men
• Play was important -- even 4,000 years ago
• Researchers turn Salmonella into antiviral gene therapy agent
• Indoor coal use associated with possible impairment of early childhood growth
• Math may help calculate way to find new drugs for HIV and other diseases
• Use of atypical antipsychotics in treatment of dementia declined after FDA warning
• Contact with the criminal justice system may be associated with suicide risk
• Childhood cancer research in danger, report says
• Possible crimes against humanity by Burmese military in Chin State, Burma
• Portsmouth woman receives UK’s first totally implanted hearing aid

Posted 2011-02-08:

• The brain knows what the nose smells, but how?
• Protein may be key to new treatment in a childhood cancer
• Unexpected new mechanism behind rheumatoid arthritis
• Emergency detection systems for senior citizens
• 'He loves me, he loves me not...': Women are more attracted to men whose feelings are unclear
• Gene therapy: Save messengers -- modified mRNAs open up new therapeutic possibilities
• Can breastfeeding transmit yellow fever after maternal vaccination?
• Language may play important role in learning the meanings of numbers
• First IVF babies born using new chromosome counting technique
• Low-cost, nanometer-sized drug holds promise for treatment of chronic diabetes and burn wounds
• Dermatologists caution that atopic dermatitis is a strong precursor to food allergies
• Childhood chronic illness affects future income, education, career
• Allergies lower risk of low- and high-grade glioma, study finds
• Athletes prone to a rash of skin conditions
• Pollutants in aquifers may threaten future of Mexico's fast-growing 'Riviera Maya'
• Complex heart problems fixed without open-heart surgery
• 3-D map of fly brain is to neuroscience what genome is to genetics
• Expectations speed up conscious perception
• Age-related macular degeneration: Key mechanism in geographic atrophy identified, two possible therapies
• Blood-clotting agent can diagnose fatal genetic diseases, finds study
• Watching others smoke makes smokers plan to light up
• Neural communication: Weak electrical fields in the brain help neurons fire together
• Second member in Alzheimer's toxic duo identified
• ‘Cornell dots’ that light up cancer cells go into clinical trials
• Mountain bike-related injuries down 56 percent, according to a U.S. national study
• Jumping genes caught in the act: New evidence that the genome contains many mobile elements
• 29 genome regions linked to common form of inflammatory bowel disease
• Still hope for Arctic sea ice
• Breast cancer cells outsmart the immune system and thrive
• Kinship caregivers receive less support than foster parents despite lower socioeconomic status
• Relatively few young adults with autism spectrum disorders receive assistance after high school
• Reducing the toll of alcohol in Canada
• Anthropologist: 'Body Worlds' visitors confront bodies but not death

Posted 2011-02-07:

• Sun-triggered protein drives skin cancer, researchers find
• Gene critical for heart function identified
• Air pollutants from fireplaces and wood-burning stoves raise health concerns
• Adult ADHD significantly increases risk of common form of dementia, study finds
• Lead exposure may affect blood pressure during pregnancy
• Incidence of skin cancer rising at alarming rate
• Study on effects of TV ad violence on kids has Super Bowl implications
• Rural underage binge drinkers put their health at risk, German study finds

Posted 2011-02-06:

• How the body’s frontline defense mechanism determines if a substance is a microbe
• A loose grip provides better chemotherapy
• Benefits of outdoor exercise confirmed
• HPV vaccine works for boys: Study shows first clear benefits
• Blood-clotting protein linked to cancer and septicemia
• Gas stations pollute their immediate surroundings, Spanish study finds
• Children's BMI found to rise the longer their mothers work
• Fast track management of colorectal surgery
• Non-surgical approach to treat hepatic hydatid cysts
• Natural history of heartburn

Posted 2011-02-05:

• New induced stem cells may unmask cancer at earliest stage
• Mechanism involved in breast cancer's spread to bone discovered
• Cross-species strategy might be a powerful tool for studying human disease
• Working more than 20 hours a week in high school found harmful
• Boosting body's immune response may hold key to HIV cure
• For stem cells, a way to assure quality
• Early childhood education program yields high economic returns
• Want more efficient muscles? Eat your spinach
• Scientists unlock one mystery of tissue regeneration
• Quality and quantity of maternal milk impacts stress response of adult offspring
• Obesity has doubled since 1980, major global analysis of risk factors reveals
• Deadly tool discovered in Salmonella's bag of tricks
• Powerful new methodology for stabilizing proteins developed
• Children more likely to transmit flu to those of same sex, UK study finds
• Destined for disease: Breast cancer mutation regulates cell fate
• The 'death switch' in sepsis also promotes survival
• Childhood obesity linked to health habits, not heredity, study finds
• A stem cell origin of skin cancer and the genetic roots of malignancy unmasked
• New undertsanding of gut hormones and gut function sheds light on obesity

Posted 2011-02-04:

• Duchenne muscular dystrophy: Scientists closer to finding treatment for life-threatening hereditary disease
• Communication pathways within proteins may yield new drug targets to stop superbugs
• Deaths reduced with cardiac resynchronization therapy
• Energy-efficient intelligent house can monitor health, prototype shows
• Why do our emotions get in the way of rational decisions about safety products?
• Assisted reproductive technologies: Uterine health more important than egg quality, study shows
• Sideline test accurately detects athletes' concussions in minutes, study shows
• Scientists climb Mt. Everest to explain how hearts adapt and recover from low oxygen
• Poor work ability may predict faster deterioration of health
• New clue to lupus: Failed autoimmune suppression mechanism
• Future surgeons may use robotic nurse, 'gesture recognition'
• Simple interventions reduce newborn deaths in Africa
• Coffee, energy drinkers beware: Many mega-sized drinks loaded with sugar, nutrition expert says
• Learning causes structural changes in affected neurons
• Lampreys give clues to evolution of immune system
• Early infusion of donor T cells prevents graft versus host disease in blood cancer patients, study suggests
• Drug-abusers have difficulty to recognize negative emotions as wrath, fear and sadness, study finds
• Molecular predictor of metastatic prostate cancer found
• Cell reprogramming leaves a 'footprint' behind
• Why folic acid may prevent a first heart attack, but not a second
• Children's genes influence how well they take advantage of education, twin study shows
• Electric thinking cap? Flash of fresh insight by electrical brain stimulation
• Potential vaccine to prevent gastritis, ulcer disease, gastric cancer
• Roasting coffee beans a dark brown produces valued antioxidants, scientists find
• First new C. difficile drug in a generation superior to existing treatments
• Taking unpleasant surprises out of cosmetic surgery
• Giant virus, tiny protein crystals show X-ray laser's power and potential
• Migraine surgery offers good long-term outcomes, study finds
• Many rheumatoid arthritis patients not getting recommended drugs, researchers find
• Older adults often excluded from clinical trials
• Metabolic syndrome linked to memory loss in older people
• Genetic cause of new vascular disease identified
• How cancer gene MMSET functions
• Having a strong community protects adolescents from risky health behaviors
• Current use of biodiesel no more harmful than regular diesel, Norwegian study finds

Posted 2011-02-03:

• Human genome's breaking points: Genetic sequence of large-scale differences between human genomes
• MicroRNA cocktail helps turn skin cells into stem cells
• One donor cornea, two patients helped: New surgical approach may help meet demand for donor corneas
• When a blockbuster becomes lackluster: Not all movie-watching experiences are created equal
• Lower back disease may be in your genes: New study indicates predisposition to lumbar disc disease could be inherited
• In tiny fruit flies, researchers identify metabolic 'switch' that links normal growth to cancer
• Transplanted human placenta-derived stem cells show therapeutic potential in stroke models
• New nanoparticles make blood clots visible
• New tumor-tracking technique for radiotherapy spares healthy tissue, could improve cancer treatment
• Ritalin may ease early iron deficiency damage
• Engineered cells could usher in programmable cell therapies
• Safer way to make induced pluripotent stem cells developed
• Good cop beats bad cop, research shows; Study explores why dialogue yields better results than coercion
• Targeted particle fools brain's guardian to reach tumors
• Key to understanding cause of lupus
• Video games are good for girls, if parents play along
• Level of tumor protein indicates chances cancer will spread
• Race gap narrows for some cancers in African-Americans; continues to increase for others
• Preschool beneficial, but should offer more, study finds
• Natural molecule indirectly prevents stable clot formation
• High levels of circulating DNA may signal faster progression of lung cancer
• Too many pitches strike out youth athletes early, new 10 year study suggests

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