ScienceDaily Health Headlines -- for the Week of May 1 to May 8, 2011

ScienceDaily Health Headlines

for the Week of May 1 to May 8, 2011

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Posted 2011-05-07:

• Engineers patch a heart: Tissue-engineering platform enables heart tissue to repair itself
• Telomerase: Research reveals how cancer-driving enzyme works
• Direct proof of how T cells stay in 'standby' mode: Study offers means of activating T cells to fight disease without antigenic triggers
• How shifts in temperature prime immune response
• Potential multiple sclerosis therapy could kill brain cells, study suggests
• Families are 'lovin' it': Parents' work influences how often family meals are eaten outside of home

Posted 2011-05-07:

• Malaria mosquitoes accurately find their way to smelly feet
• Parental exposure to BPA during pregnancy associated with decreased birth weight in offspring
• Advanced instrument analyzes immune cells in far more detail: Technology promises more effective prescription drug therapies
• Protein snapshots reveal clues to breast cancer outcomes
• Combination of ADHD and poor emotional control runs in families, study suggests
• Insight into HIV immunity may lead to vaccine
• Cigarette smoking and arsenic exposure: A deadly combination
• Children of bipolar parents are overly sensitive to stress hormone cortisol, study finds
• Scientists afflict computers with 'schizophrenia' to better understand the human brain
• Antibodies help protect monkeys from HIV-like virus, scientists show
• EEG headset with flying harness lets users 'fly' by controlling their thoughts
• Surgery reduces risk of mortality due to prostate cancer even for low-risk groups, study finds
• Universal signaling pathway found to regulate sleep
• DNA from common stomach bacteria minimizes effects of colitis, study says
• Forecast calls for nanoflowers to help return eyesight: Physicist leads effort to design fractal devices to put in eyes
• Stem cell-related changes that may contribute to age-related cognitive decline identified
• When self-esteem is threatened, people pay with credit cards
• Mutation provides new insight into the molecular mechanisms of aging
• Drug-resistance fears for deadly fungal disease
• Prolonged bottle feeding increases the risk of obesity, study suggests
• Anatomy of an outbreak: Tiny changes in chikungunya virus separate epidemic African strain and tamer Asian variety
• Can social deficits of autism and schizophrenia be modeled in animals?
• Filipino children in San Diego County at higher risk for Kawasaki disease, study finds

Posted 2011-05-06:

• Far-reaching effects of estrogen signaling mapped in breast cancer cells
• Short antibiotic courses safer for breathing-tube infections in children
• Who knows you best? Not you, say psychologists
• Amygdala detects spontaneity in human behavior: Study of jazz musicians reveals how brain processes improvisations
• Normal stem cells made to look and act like cancer stem cells
• Using solar power to sterilize medical instruments
• Key gene found in childhood cancer
• More than 20 percent of atheist scientists are 'spiritual', study finds
• Mirror neuron system in autism: Broken or just slowly developing?
• Hunting for deadly bacteria
• Anti-inflammatory drug may fight breast cancer
• Sharpened focus: Improving the numbers, utility of medical imaging
• Artful dodgers: Seeing questions can help voters detect dodges and be better informed, new study says
• Worm discovery could help one billion people worldwide
• Contraceptive pill and HRT may protect against cerebral aneurysm, study suggests
• Night owls at risk for weight gain and bad diet
• Protein discovered that could help prevent the spread of cancer
• Exercise protects the heart via nitric oxide, researchers discover
• Spring babies face anorexia risk, study suggests
• Hitting target in cancer fight now easier with new nanoparticle platform, scientists say
• Removable 'cloak' for nanoparticles helps them target tumors
• New route to map brain fat
• Women: Painful periods increase sensitivity to pain throughout the month
• Turning 'bad' fat into 'good': A future treatment for obesity?
• Damaged hearts pump better when fueled with fats, study suggests
• Dirty mouths lead to broken hearts
• Air pollution near Michigan schools linked to poorer student health, academic performance
• Attention, please: How innovations and Nobel Prize winners make it
• Asthma pill more user-friendly than inhalers -- and no less effective, study finds
• In therapy with avatars: Virtual technology to combat phobias, psychotic disorders
• Age alone should be used to screen for heart attacks and strokes, say experts
• Estimated costs of environmental disease in children at .6 billion per year
• No smoking policies may present challenges to treatment centers
• Can America stop the kidney brain drain? US medical students are rejecting kidney careers, review finds
• Many dialysis patients may not understand important health information, study finds
• Female-to-male transsexual people have more autistic traits, study suggests
• Most blacks report calling a friend, not 911, when facing the symptoms of a stroke, study finds

Posted 2011-05-05:

• New mitochondrial control mechanism discovered
• Childhood cancer survivors are at increased risk for ongoing post-therapy GI complications
• Gender bias uncovered in children's books with male characters, including male animals, leading the fictional pack
• Unlocking the metabolic secrets of the microbiome
• Technique developed for measuring stressed molecules in cells
• Chronic fatigue syndrome not related to XMRV retrovirus, comprehensive study finds
• Positive effects of depression
• Natural protection against radiation
• New evidence that caffeine is a healthful antioxidant in coffee
• Physical and emotional health of older couples linked for better or worse, study finds
• Blood test for Alzheimer's: Study identifies procedure that detects early stages
• Extracting stem cells from fat for tissue regeneration
• Does it take one to know one? New research reveals conspiring conspiracy theorists
• Mouse study turns fat-loss/longevity link on its head
• Revolution in wound care? Cotton candy-like glass fibers appear to speed healing in initial venous stasis wound trial
• Most patients recover from 'chemo-brain' by 5 years after stem cell transplant
• Climate change analysis predicts increased fatalities from heat waves
• Ecstasy associated with chronic change in brain function
• Sense of justice built into the brain, imaging study shows
• 'I'm a tumor and I'm over here!' Nanovaults used to prod immune system to fight cancer
• Structured exercise training associated with improved glycemic control for patients with diabetes
• Using social networking to tap collective intelligence of online study groups
• Nicotine and cocaine leave similar mark on brain after first contact
• Robots learn to share: Why we go out of our way to help one another
• Agent selectively targets malignant B cells in chronic leukemia, study shows
• Many new drugs did not have comparative effectiveness information available at time of FDA approval, study finds
• Researchers demonstrate why DNA breaks down in cancer cells
• High risks associated with egg donation to women with Turner’s syndrome, research reveals
• Dependency and passivity: You can have one without the other
• Schools need collaboration, not packaged solutions, for best mental health programs

Posted 2011-05-04:

• Why the eye is better than a camera at capturing contrast and faint detail simultaneously
• Breast cancers found between mammograms more likely to be aggressive
• Keeping oysters, clams and mussels safe to eat
• Popular diabetes drugs' cardiovascular side effects explained
• Narrow brands make you want to buy
• Molecular movements of neural transporters unveiled
• Scientists track evolution and spread of deadly fungus, one of the world's major killers
• 'Fatting in': Immigrant groups eat high-calorie American meals to fit in, study finds
• Regenerating nerve cells: Research offers hope in new treatment for spinal cord injuries
• Receptor for Ebola virus identified
• Webcam technology used to measure medications' effects on the heart
• 'Apple a day' advice rooted in science
• How grown children cope with pain may be traced back to the way their family copes with pain
• New genetic cause of neurodegeneration discovered
• Following cancer prevention guidelines lowers risk of death from cancer, heart disease, all causes
• Think it's easy to be macho? Psychologists show how 'precarious' manhood is
• Statins may stave off septic lung damage, new research finds
• Research demonstrates link between H1N1 and low birth weight
• Kids who specialize in one sport may have higher injury risk
• HIV drugs can also target tropical parasites, study suggests
• Brain enlargement in autism due to brain changes occurring before age 2
• Device measures brain temperature non-invasively: Monitoring could be critical in life-saving cooling therapy
• Secondhand smoke may increase vulnerability to nicotine addiction
• Insomnia linked to high insulin resistance in diabetics
• Versatility of stem cells controlled by alliances, competitions of proteins
• Research opens door to vaccines that can circumvent maternal antibodies
• Traveler's alert: Business travel linked to obesity and poor health
• Scientists identify genetic risk for major depression
• Antioxidant may prevent alcohol-induced liver disease, study suggests
• New method to measure cortisol could lead to better understanding of development of common diseases
• Work-related 'burnout' more likely to affect the best lecturers, study suggests
• Germ Genie kills keyboard germs -- even C. difficile, scientists find

Posted 2011-05-03:

• Itch receptors work through pain receptors on sensory neurons
• A little belly fat can double the risk of death in coronary artery disease patients
• Scientists have identifed an abnormal disease pathway in dystonia
• Lesser-known Escherichia coli types targeted in food safety research
• Sniffing out calories: Hormone linked to nose's ability to locate food
• Packing on the pounds in middle age linked to dementia
• Discovery of two new genes provides hope for stemming Staph infections
• Washing with contaminated soap increases bacteria on hands, research finds
• Seeking happiness? Remember the good times, forget the regrets
• Aspirin reduces the risk of cancer recurrence in prostate cancer patients, study suggests
• Cells talk more in areas Alzheimer's hits first, boosting plaque component
• Animal studies reveal new route to treating heart disease
• Who needs motivation? The rewards of doing 'something'
• CPR efforts successful on man with no pulse for 96 minutes
• Growth, hormonal profiles differ between breastfed, formula-fed infants: Early nutrition has a long-term metabolic impact
• Newborns exposed to methamphetamine before birth are hard to arouse, hard to calm down, study suggests
• Drinking energy beverages mixed with alcohol may be riskier than drinking alcohol alone
• Teen sleep study adds to evidence of a 'neural fingerprint'
• Genes involved in embryonic heart development identified
• Cardiac arrest: Unique life-saving device give heart a second chance
• Media multitasking is really multi-distracting
• Chemical in plastic, BPA, exposure may be associated with wheezing in children
• Living with a smoker may raise blood pressure in boys
• Little fingers, big trouble: Study sheds light on child self-unbuckling
• System in brain -- target of class of diabetes drugs -- linked to weight gain
• Investigational agent shows promise in reducing spread of prostate cancer
• How to raise a child who doesn't bully
• Grandma was right: Infants do wake up taller
• Too much or too little sleep may accelerate cognitive aging, study shows
• Renal cancer drug temsirolimus shows promise against mesothelioma
• Animal-assisted therapy decreases patient anxiety in pre-MRI setting, study suggests
• Physicians and nurses caring for pediatric patients communicate better in small teams, study finds
• Study estimates rate of autism spectrum disorder in adults in England

Posted 2011-05-02:

• Researchers link alcohol-dependence impulsivity to brain anomalies
• Maternal obesity puts infants at risk of iron deficiency
• Inverting a standard experiment sometimes produces different results
• 'I'm a Mac' -- so what? Study finds way to measure brand personality appeal
• Cells send signals via membrane nanotubes
• Chemical found in crude oil linked to congenital heart disease: Fetal exposure to solvents may damage heart
• Robotic surgery effective for removing hard-to-reach throat cancer, study suggests
• Video games may help clear airway of cystic fibrosis patients
• Errors put infants, children at risk for overdose of painkillers: Prescriptions for narcotics often contain too much medication per dose
• Thinking outside the column: New insights into brain structure reveal new facets of information processing in nervous system
• Formula-fed preemies at higher risk for dangerous GI condition than babies who get donor milk
• Scientists examine psychiatric disorders linked with epilepsy

Posted 2011-05-01:

• Researchers discover mechanism that could convert certain cells into insulin-making cells
• Plant extract may be new therapy for hay fever, study suggests
• Second gene associated with specific congenital heart defects identified
• Finding molecular targets of an HIV drug used in cancer therapy
• New test shows promise for detecting warning signs of joint replacement failure
• US Appeals Court opens federal funding for stem cell research
• Male doctors more likely to be disciplined for misconduct, Australian study shows

Posted 2011-04-30:

• Risk of accelerated aging seen in PTSD patients with childhood trauma
• A better imaging agent for heart disease and breast cancer
• When a salad is not a salad: Why are dieters easily misled by food names?
• New genetic model of premature aging diseases
• Mystery solved: How sickle hemoglobin protects against malaria
• Measles outbreak underscores need for continued vigilance in health care settings
• Unintentional child injuries, deaths can be prevented, public health researchers say
• Monkeys, too, can recollect what they've seen, study suggests
• Gene therapy shows promise against age-related macular degeneration
• How do white blood cells detect invaders to destroy?
• Disruptions of daily rhythms in Alzheimer's patients' brains
• Shielding body protects brain from 'shell shocking' blast injuries: Even mild blast exposure damages nerve cells in mice, study shows
• Super-fruits: Tropical blueberries extremely high in healthful antioxidants, study suggests
• New microchip revolutionizes medical approach for monitoring for risk of sudden infant death syndrome
• Link between theta rhythm and ability of animals to track location probed
• Romance is not dead: Digital puts the spark back into relationships
• Interval training and healthy eating is solution to obesity, study shows
• Will it fall? Scientists show how the brain's estimate of Newton's laws affects perceived object stability
• Concern over 'excessive' doses of thyroid drugs for older patients
• Infants with persistent crying problems more likely to have behavior problems in childhood, study finds
• Heart attacks are more serious if they occur at certain times of the day
• Stress and depression are associated with shorter survival in head and neck cancer patients
• Long-term poverty but not family instability affects children's cognitive development, study finds
• Antibiotic-resistant bacteria have evolved a unique chemical mechanism, new discovery reveals
• Antibiotics, not surgery, may better treat appendicitis if appendix hasn't burst, study suggests
• Adults with arthritis suffer with poorer health related quality of life
• Online social network members donate personal data for public health research
• Lower risk of coronary heart disease from alcohol, even with hazardous drinking?

Posted 2011-04-29:

• Cotton swabs prove problematic for ear health
• Study targets treatment for serious ACE inhibitor side effect, facial, tongue and airway swelling
• Artificial retinal implants must adapt to unique features of human eye to be effective, experts say
• Adult-supervised drinking in young teens may lead to more alcohol use, consequences
• Electrical oscillations found to be critical for storing spatial memories in brain
• Being tall, obese may significantly increase risk of blood clots in deep veins
• New gene therapy technique on iPS cells holds promise in treating immune system disease
• Social bonding in prairie voles helps guide search for autism treatments
• From the beginning, the brain knows the difference between night and day
• Mutations in single gene may have shaped human cerebral cortex
• Obese adolescents lacking vitamin D, study suggests
• Fish livers contain beneficial fatty acids, study suggests
• Our own status affects the way our brains respond to others
• Get a whiff of this: Low-cost sensor can diagnose bacterial infections
• Five-minute screen identifies subtle signs of autism in one-year-olds
• Why bariatric surgery is better than dieting alone for glucose control
• The doctor will see all of you now? Group doctor visits may be feasible for Parkinson's disease
• Can traumatic memories be erased?
• Tobacco-derived compound prevents memory loss in Alzheimer's disease mice
• Protective T-cells, which are used in stem-cell treatment, can cause the body to attack itself
• Guns in the home provide greater health risk than benefit
• Researchers reveal 18 novel subtype-dependent genetic variants for autism spectrum disorders and identify potential genetic markers for diagnostic screening
• A less painful colonoscopy
• Psychologists ask how well -- or badly -- we remember together
• Microsleep: Brain regions can take short naps during wakefulness, leading to errors
• New technique extends cancer-fighting cells' potency in melanoma patients
• Indigenous cases of leprosy found in the Southern United States: Human contamination through contact with armadillos
• Americans still may not be getting enough calcium
• Carbohydrate adhesion gives stainless steel implants beneficial new functions
• Power and choice are interchangeable: It's all about controlling your life
• Vitamin E helps diminish a type of fatty liver disease in children, study suggests
• Severity of hepatitis C and HIV co-infection in mothers contribute to HCV transmission to child
• Leader beliefs about followers impact company success
• Avastin and Lucentis are equally effective in treating age-related macular degeneration (AMD), study suggests
• Melatonin might help control weight gain and prevent heart disease associated with obesity

Posted 2011-04-28:

• Neurorobotics reveals brain mechanisms of self-consciousness
• Comprehensive collection of approved drugs created to identify new therapies
• Medical sleuthing linked muscle, kidney problems to kava tea
• 1918 influenza pandemic (Spanish flu): Large differences in mortality between urban and isolated rural areas
• Cholesterol drugs may improve blood flow after stroke
• Promising pancreatic cancer screening marker identified
• Motivation plays a critical role in determining IQ test scores
• Increased metabolic rate may lead to accelerated aging
• Studies of mutated protein in Lou Gehrig’s disease reveal new paths for drug discovery
• Music changes perception, research shows
• Men's and women's immune systems respond differently to PTSD
• Strides made in understanding amyotrophic lateral sclerosis
• What can twins tell us about mate choice?
• Topical treatment may prevent melanoma
• Motor protein may offer promise in ovarian cancer treatment
• Brain imaging demonstrates that former smokers have greater willpower than smokers
• Vitamin D may help explain racial differences in blood pressure
• A potential novel drug-target for colorectal cancer treatment comes from the brain
• Looks do matter, particularly when it comes to neighborhoods
• Protein inhibitor may bring a topical treatment for HPV
• Antibiotic may prove beneficial to preterm infant lung health, study suggests

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