ScienceDaily Health Headlines -- for the Week of July 10 to July 17, 2011

ScienceDaily Health Headlines

for the Week of July 10 to July 17, 2011

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Posted 2011-07-16:

• Discovery opens new options for improving transfusions
• Scientists discover new role for vitamin C in the eye and the brain
• When the first choice isn't available, why don't consumers choose the obvious second choice?

Posted 2011-07-16:

• High social rank comes at a price, wild baboon study finds
• The genome guardian's dimmer switch: Regulating p53 is a matter of life or death
• Maternal nutrition: What impact does it have on gene expression?
• Your brain on androids
• Shop when you're happy: Positive feelings improve consumer decision-making abilities
• Diabetes drug may prevent or delay development of polycystic ovary syndrome, the most common cause of infertility in women
• Novel compound selectively kills cancer cells by blocking their response to oxidative stress
• Weight-loss surgery cost-effective for all obese, study suggests
• Virtual natural environments and benefits to health
• Size matters: Why do people eat less when they have big forks?
• New gene identified for restless legs syndrome
• Stem cells restore cognitive abilities impaired by brain cancer treatment
• Childhood cancer no higher in vicinity of nuclear power plants, Swiss study suggests
• When the brain remembers but the patient doesn’t
• Swarms of locusts use social networking to communicate
• Breaking the chain: 'Molecular cap' blocks processes that lead to Alzheimer's, HIV
• Novel combined therapy extends life, diminishes pain in brain cancer patients
• Eating disorders impact brain function, new brain research suggests
• First adenovirus to jump between monkeys and humans confirmed
• Protein switch controls how stem cells turn into new heart tissue
• Obstructive sleep apnea linked to blood vessel abnormalities
• Abnormal brain ultrasounds in premature infants indicate future risk of psychiatric disorders
• Editing the genome: Scientists unveil new tools for rewriting the code of life
• Large waist doubles risk of kidney disease mortality, study finds
• Poor bone health may start early in people with multiple sclerosis
• Ghrelin increases willingness to pay for food
• PSA test for men could get a second life for breast cancer in women
• New study may lead to quicker diagnosis, improved treatment for fatal lung disease
• A LEAP in controlling cardiac fibrillation: Researchers develop a new low-energy defibrillation method
• Half of patients with Parkinson's disease and psychosis treated with antipsychotic agents, including drugs that may worsen Parkinson symptoms, study finds
• Children with public health insurance less likely to receive comprehensive primary care
• Dynamics behind magical thinking and charismatic leadership revealed

Posted 2011-07-15:

• Early-stage melanoma tumors contain clues to metastatic potential
• Benefit of blood glucose lowering to near-normal levels remains unclear
• Secret to successful aging: How 'positivity effect' works in brain
• Mutation in a protein-sorting gene is linked with Parkinson's disease
• Bone marrow transplant survival more than doubles for young high-risk leukemia patients
• Database explains strange survival of irregular verbs
• Soft memory device opens door to new biocompatible electronics
• Cancer gene therapy from camels
• Molecules 'light up' Alzheimer's roots
• Study challenges baby formula claim
• Humans 'predisposed' to believe in gods and the afterlife
• Print your own teeth: Rapid prototyping comes to dentistry
• Brain network connections revealed
• Sudden cardiac death in young athletes: Pediatric cardiologists not always accurate in interpreting ECG results, study finds
• Is meditation the push-up for the brain? Study shows practice may have potential to change brain's physical structure
• Diesel fumes pose risk to heart as well as lungs, study shows
• Why stored transfusion blood may become less safe with age
• New method for making human-based gelatin
• Higher cigarette taxes don't deter all smokers, study finds; Smokers aged 25 to 44 most unresponsive to price increases
• Neuroscientists uncover neural mechanisms of object recognition
• Stem cell 'memory' can boost insulin levels
• Unsolved mystery of kava toxicity
• People at risk for panic buffered from stressor by high levels of physical activity
• Why men are at higher risk for stomach cancer
• Pivotal study in Africa finds that HIV medications prevent HIV infection
• Goalies tend to dive right in World Cup penalty shoot-outs when their team is behind ... why?
• Breathing restored after spinal cord injury in rodent model
• Modulation of inhibitory output is key function of antiobesity hormone
• Health-care model improves diabetes outcomes and health, study finds
• Positive reframing, acceptance and humor are the most effective coping strategies
• Latin American blueberries found to be 'extreme superfruits'
• Environmental factors predict underserved children's physical activity
• Current, not prior, depression predicts crack cocaine use

Posted 2011-07-14:

• Insight into new drug resistance in hospital microbes
• Short-term hormone therapy plus radiation therapy increases survival for men with early-stage prostate cancer, study finds
• Atomic structure discovered for a sodium channel that generates electrical signals in living cells
• Talking about faith increases hospital patients' overall satisfaction, study finds
• Researchers demystify a fountain of youth in the adult brain
• Molasses extract decreases obesity caused by a high-fat diet, research suggests
• Computerized system to prevent SIDS: 'BabyBeat' also has applications in telemedicine and remote monitoring
• A closer look at the placebo effect
• Immune system suppression linked to blood vessel formation in tumors
• Progesterone inhibits growth of neuroblastoma cancer cells
• New understandings of circadian rhythms
• Efficient process using microRNA converts human skin cells into neurons
• Contact allergies may trigger immune system defences to ward off cancer
• The metabolic effects of antipsychotic drugs
• Respiratory disorders prevalent in the Middle East: Desert climate, chemical warfare, water-pipe smoking contribute to lung diseases
• New means of overcoming antiviral resistance in influenza
• Cancer mortality rates are higher in men than women in U.S., study finds
• Your mother was right: Good posture makes you tougher
• Newly discovered molecule essential to resetting 'body clocks'
• Wireless power could cut cord for patients with implanted heart pumps
• Multiple 'siblings' from every gene: Alternate gene reading leads to alternate gene products
• Accentuating the positive may eliminate the negative in teenagers with anxiety
• Biologists identify new strategy used by bacteria during infection
• Advice to drink eight glasses of water a day 'nonsense,' argues doctor
• Study investigates association between intake of sodium and potassium and deaths among U.S. adults
• Family meals remain important through teen years, expert says
• Bodyguard for the brain: Researchers identify mechanism that seems to protect brain from aging
• Low dose naltrexone: Harnessing the body's own chemistry to treat human ovarian cancer
• No substantial link between swine flu vaccine and Guillain-Barre syndrome, experts confirm
• Male flirts less happy at work
• Cancer data not readily available for future research
• Existence of 'trial effect' in HIV clinical trials confirmed
• Improving surgical outcomes for children, cancer patients
• Neural mechanisms of object recognition discovered
• Structural factors integral to understanding girls' vulnerability to HIV in sub-Saharan Africa
• Stem cell treatment may restore cognitive function in patients with brain cancer
• Psychological adaptation of adopted children examined in Spanish study

Posted 2011-07-13:

• Positron emission tomography may help identify the presence of Alzheimer's disease lesions in the brain
• Deeper insight in the activity of cortical cells
• Younger age associated with greater treatment response in children with amblyopia
• Neighborhood fast food availability related to an individual's fast food consumption
• Indirubin, component Of Chinese herbal remedy, might block brain tumor's spread, study suggests
• Researchers suggest ways for physicians to individualize cost-effectiveness of treatments
• Cracking the code of the mind
• Too much sitting may be bad for your health
• Eating nuts daily could help control Type 2 diabetes and prevent complications, study suggests
• Effects of exercise on meal-related gut hormone signals
• Evidence for 'food addiction' in humans
• Biomarker for autism discovered
• HPV infection highly prevalent among organ transplant recipients, study reveals
• Seven in one blow: Scientists discover DNA regions influencing prostate cancer risk
• Hypoallergenic dogs don't have lower household allergen levels than other dogs, study finds
• Malaria parasites use camouflage to trick immune defences of pregnant women
• Even before language, babies learn the world through sounds
• Nervous system stem cells can replace themselves, give rise to variety of cell types, even amplify
• New way to classify post-cardiac arrest patients to better predict outcomes
• Parkinson's disease patients may benefit from virtual-reality-based therapies
• Scientists solve mystery of nerve disease genes; Findings may lead to new therapies for Charcot-Marie-Tooth disease and other conditions
• E. coli can survive in streambed sediments for months
• Arthroscopic treatment of common hip problem improves range of motion, study finds
• Smoking does not keep you slim, Swedish research shows
• Deformed limbs one of several birth defects linked to smoking in pregnancy
• Mutations can spur dangerous identity crisis in cells
• Telomeres: Two genes linked to why they stretch in cancer cells
• Vitamin D insufficiency prevalent among psoriatic arthritis suffers
• Satisfaction with the components of everyday life appears protective against heart disease
• Not all U.S. hospitals are following guidelines for percutaneous revascularization procedures for some patients with an occluded artery following a heart attack
• Researchers urge awareness of dietary iodine intake in postpartum Korean-American women who consume brown seaweed soup
• Scleroderma study identifies roadblocks to employment
• New genetic risk factor for sudden cardiac death
• First-ever review finds smoking causes serious birth defects; March of Dimes urges women to quit smoking to save babies

Posted 2011-07-12:

• Owl study expands understanding of human stereovision
• Key role of microRNAs in melanoma metastasis identified
• More oxygen in eyes of African-Americans may help explain glaucoma risk
• Mortality rises, efficiency declines at teaching hospitals, due to 'July Effect'
• Do-it-yourself brain repair following stroke
• Genetic basis of rare human diseases described
• PXR: A stepping stone from environmental chemical to cancer?
• Resilience amongst the long term ill
• Epigenetic pathway and new drug show promise in reversing a hard-to-treat childhood cancer
• Just add water and treat brain cancer: Freeze-dried gene therapy system avoids virus, potential complications
• 'BPA-free' bottles live up to manufacturers' claims, new study suggests
• Just like teens, parents get personal on Facebook
• Large human study links phthalates, BPA and thyroid hormone levels
• 'Unnatural' chemical allows researchers to watch protein action in brain cells
• Fight against sepsis: Fibrin, a product of the blood clotting process, is key to protection during gram-negative sepsis
• Natural pain relief from poisonous shrub?
• The truth about cats and dogs: Pets are good for mental health of 'everyday people'
• Scientists discover first gonorrhea strain resistant to all available antibiotics
• High-resolution imaging technology reveals cellular details of coronary arteries
• Male smokers less likely to need joint replacement surgery of hip or knee
• Out-of-body experiences linked to neural instability and biases in body representation
• New genetic clues for schizophrenia; De novo mutations more frequent, study finds
• Vitamin D lower in NFL football players who suffered muscled injuries, study suggests
• A flash of insight: Chemist uses lasers to see proteins at work
• Ethnic, gender stereotypes bias treatment of Parkinson's disease
• Unlocking the genetics and biology of joint disorder ankylosing spondylitis
• Researchers characterize biomechanics of ovarian cells according to phenotype at stages of cancer
• Best U.S. hospitals are run by physicians, study finds
• Common painkillers linked to irregular heart rhythm
• Drug designer: New tool reveals mutations that cause HIV drug resistance
• African-American women stress compounded
• Georgia hospitals lag in palliative care for the seriously ill, study finds
• Is a little negativity the best marketing policy?
• Writing DNR orders takes longer, death more likely when surrogate decision-maker involved
• Could targeting the skin help prevent the spread of HIV?
• Lack of sick leave creates tough choices for rural workers
• New system for therapy of metastatic spinal tumors

Posted 2011-07-11:

• 'Pure' human blood stem-cell discovery opens door to expanding cells for more clinical use
• Stroke risk in pregnant women 2.4 times higher, review finds
• Teaching the neurons to meditate
• Gene implicated in speech regulates connectivity of the developing brain
• Sitting for long periods doubles risk of blood clots in the lungs
• The biology behind alcohol-induced blackouts
• Genetic study sheds new light on auto-immune arthritis

Posted 2011-07-10:

• Scientists discover how best to excite brain cells
• First whole-genome lung cancer study: Review of lung tumor from a patient who never smoked
• Chesapeake Bay pesticides: Some diminish, some persist
• How visual cues help us understand bodily motion
• A change of heart: Researchers reprogram brain cells to become heart cells
• Gene study offers clues on memory puzzle
• Targeted agent addition to herceptin has positive effect on metastatic HER-2 breast cancer, study finds
• Viruses bathe in rivers and at the beach, too, European study finds
• Sexual orientation and gender conforming traits in women are genetic, study finds
• Loss of motion after knee surgery may increase osteoarthritis risk, research suggests

Posted 2011-07-09:

• Brain stimulation preserves a memory when other memories interfere
• Why patients with epidermolysis bullosa suffer extreme pain
• Heart disease and stroke worldwide tied to national income
• How memory is read out in the fly brain: MB-V2 nerve cells enable the read-out of associative memories
• Stem cell injections may offer hope to angina patients with no other options
• Indoor air pollution linked to cardiovascular risk
• How decision-makers complicate choice
• New strategy to prevent infertility, birth defects
• Half-matched transplants widen pool of donors for leukemia and lymphoma
• Chips hold the key to understanding the human brain
• Body's natural marijuana-like chemicals make fatty foods hard to resist
• To combat deadly brain cancer, target the stem cells
• Breastfeeding does not protect against multiple sclerosis relapses, study suggests
• New study on childbearing and education offers surprising findings
• Brain co-opts the body to promote moral behavior, study finds
• A drugstore within: Mesenchymal stem cells protect and heal
• Heavy exercise not too high a hurdle for bariatric surgery patients
• Reported costs of drug R&D questioned
• Discovery of natural antibody brings a universal flu vaccine a step closer
• Using vital signs to predict severity of illness in children
• Understanding the antiepileptic benefits of an Atkins-like diet
• Future labor shortfalls of medical professionals in U.S. predicted due to new demands of health-care reform
• Brain tumor discovery could lead to new treatment

Posted 2011-07-08:

• Drug can reverse overgrown hearts to help prevent heart failure, study suggests
• Kidney cancer discovery could expand treatment options
• Blame game: Sleepier college students are more likely to blame others and plan revenge
• Unexpected cell repairs the injured spinal cord
• Cellular origin of deadly brain cancer identified
• Stem cells know where they want to go: Pluripotent cells are not all equal
• Ironic effects of anti-prejudice messages
• First successful transplantation of a synthetic tissue engineered windpipe
• Drug 'shield' helps target antibiotic resistant bacteria
• Mutations in one gene cause craniosynostosis, delayed tooth eruption and supernumerary teeth
• Leaving anger on the field: Statistics show that sports help ease aggression in boys
• Scientists devise way to sort brain cells for potential transplants
• ‘Brake-override’ proteins that enable development of some cancers identified
• Childhood asthma linked to depression during pregnancy
• Discovery of why sunburn hurts could lead to new pain relief for inflammatory conditions
• The role of bacteria in asthma and the potential for antibiotic treatment
• Cutting down on salt doesn't reduce your chance of dying, review suggests
• Gene therapy stimulates protein that blocks immune attack and prevents type 1 diabetes in mice
• Genetic defects hold clues to risk for sudden cardiac death
• Women less likely than men to fake soccer injuries
• Beauty is in the medial orbito-frontal cortex of the beholder
• Cheap, common drug could dramatically reduce malaria transmission in Africa
• Combination therapy as good as old regimen to prevent full-blown TB in people with/without HIV
• Healthy lifestyle associated with low risk of sudden cardiac death in women
• Diabetes drug side effects traced to fat action
• Blood pressure drug shows some muscle: Researchers discover losartan protects against loss of old or damaged muscle
• Branch offices: New family of gold-based nanoparticles could serve as biomedical 'testbed'
• Post-traumatic stress disorder common following significant orthopedic trauma
• Adult stem cells may improve cardiac function in angina patients; Study finds improvement in chest pain and exercise tolerance
• Detecting hearing defects in newborns
• UK education: Special needs students and teachers are victims of 'muddled' approach to schooling
• U.S. Health: Large state disparities in progress against colorectal cancer
• Previous cancer history increases chances of clotting disorders after knee surgery, study suggests
• Graft size and patient age may be predictor of need for future anterior cruciate ligament revisions
• Possible gender link in knee injuries
• Cancer patients with blood clots gain no benefit from adding IVCF to fondaparinux
• Endosonography followed by surgical staging improves quality of life, according to new study
• Non-small cell lung cancer: TEMLA shows higher diagnostic yield than EBUS or EUS in largest reported series to date
• Lung cancer: Amrubicin improved response rate and progression-free survival vs. topotecan in Phase III trial

Posted 2011-07-07:

• Rhesus monkeys appear to have a form of self-awareness not previously attributed to them, research suggests
• Celecoxib may prevent lung cancer in former smokers
• Researchers link genetic marker to rectal cancer treatment
• Thinking globally to improve mental health
• Those aching joints could be in your genes
• Surprising culprits behind cell death from fat and sugar overload
• Vitamin D can help elderly women survive, review suggests
• Distract yourself or think it over? Two ways to deal with negative emotions
• Higher daily dose of aspirin could play key role in preventing heart attacks for those with diabetes

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