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Science News for June 18, 2013


Parenting and home environment influence children's exercise and eating habits

A recent study published in the International Journal of Obesity highlights the critical role of parenting style and home environment in shaping children's physical activity levels and dietary habits. The researchers found that a healthy home environment and parental role modeling are essential for promoting healthy behaviors in kids, ...

SourceDuke University Medical Center·JournalInternational Journal of Obesity·DateJun 18, 2013

City slicker or country bumpkin

Researchers found that urban-born blackbirds waited longer to approach new objects and tended to avoid unfamiliar ones compared to their rural counterparts. This suggests that urbanization may have an underlying evolutionary impact on the development of distinct personalities in birds.

SourceMax-Planck-Gesellschaft·JournalGlobal Change Biology·DateJun 18, 2013

Getting enough sleep could help prevent type 2 diabetes

A study by LA BioMed found that men who get more sleep on the weekend can improve their insulin sensitivity, reducing their risk of developing type 2 diabetes. The research, conducted over six months, involved 19 non-diabetic men who slept an average of 6.2 hours per night during the week and caught up on sleep on weekends.

Tackling a framework for surgical innovation

Researchers propose a new framework for evaluating surgical procedures and implantable devices using clinical trials, observational databases, and registries. The framework aims to address the current lack of evidence-based research in surgery and device fields, where innovative techniques need to be evaluated.

Free perks and upgrades: Could they actually embarrass consumers?

A recent study published in the Journal of Consumer Research found that consumers who receive unearned preferential treatment, such as free samples or upgrades, are less satisfied than those who do not. The authors suggest that companies should consider reaching consumers privately when giving away rewards to avoid social discomfort.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateJun 18, 2013

Immunity mechanism discovered

Researchers at the University of Calgary found that platelets actively search for specific bacteria and seal them off from the body, reducing the risk of infection. This mechanism is crucial in combating harmful bacteria like MRSA, which can lead to serious conditions.

SourceUniversity of Calgary·JournalNature Immunology·DateJun 18, 2013

Exposure to high pollution levels during pregnancy may increase risk of having child with autism

A new study from Harvard School of Public Health found that women exposed to high levels of air pollution while pregnant were up to twice as likely to have a child with autism. The study examined data from over 116,000 nurses and found associations between air pollution and autism risk in children.

SourceHarvard T.H. Chan School of Public Health·JournalEnvironmental Health Perspectives·DateJun 18, 2013

ACS NSQIP® data is more accurate than administrative data for tracking 30-day hospital readmissions

A new study found that the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) is more accurate than administrative data for tracking 30-day hospital readmissions. The study analyzed colorectal surgical patients and found that 30% of readmissions could be prevented with accurate tracking, potentially ...

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateJun 18, 2013

Social media initiative may help increase organ donations

A new social media initiative helped boost organ donor registration rates in the US, with a 21.1-fold increase on the first day of the campaign. The study suggests that social media can be an effective tool for tackling public health problems related to communication and education.

SourceWiley·JournalAmerican Journal of Transplantation·DateJun 18, 2013

Iodine in bread not enough for pregnant women

A study from the University of Adelaide found South Australian women are mildly iodine deficient despite the inclusion of iodized salt in bread. Women taking an iodine supplement during pregnancy received healthy levels of iodine, while those not taking a supplement suffered from deficiency.

SourceUniversity of Adelaide·JournalNutrition Journal·DateJun 18, 2013

Atherosclerosis in abdominal aorta may predict adverse cardiovascular events, UTSW scientists report

Researchers at UT Southwestern Medical Center used MRI to measure aortic atherosclerosis and found that thicker walls were associated with a higher risk of cardiovascular events, including heart attacks. A smaller plaque buildup was linked to increased risk of peripheral vascular occlusion, stroke, and abdominal aortic aneurysms.

SourceUT Southwestern Medical Center·JournalRadiology·DateJun 18, 2013

Long distance calls by sugar molecules

Researchers discovered that glycans can order the random network of water molecules above them, creating clusters or layers. This effect may help synovial fluid lubricate joints and influence how receptors recognize glycan coats on cells.

SourceETH Zurich·JournalBiophysical Journal·DateJun 18, 2013

Pioneering breakthrough of chemical nanoengineering to design drugs controlled by light

Researchers have synthesized peptides that change shape upon irradiation with light, allowing control of protein-protein interactions and endocytosis. These molecules have immediate applicability for studying cancer cells and developmental biology, paving the way for optopharmacology and personalized medicine.

Respect may be the key to stopping patient 'no shows'

Research suggests that improved training in communication and interpersonal skills may help improve health, immune function, and reduce the spread of HIV. Patients who feel respected by their physicians are more likely to keep scheduled appointments and adhere to medical regimens.

SourceJohns Hopkins Medicine·JournalJAIDS Journal of Acquired Immune Deficiency Syndromes·DateJun 18, 2013

Early-life air pollution linked with childhood asthma in minorities, in study

A research team at UCSF has found that exposure to nitrogen dioxide during infancy is strongly linked with later development of childhood asthma among African Americans and Latinos. The study indicates that traffic-related pollution might be a cause of the disease, calling for tightened U.S government standards for annual exposure to NO2.

SourceUniversity of California - San Francisco·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJun 18, 2013

New drug could help AMD sufferers

Researchers at the University of Iowa have found that Eylea can effectively treat wet AMD patients who were previously unresponsive to Avastin and Lucentis. After three monthly injections, half of the eyes treated with Eylea showed reduced fluid accumulation, while one in five experienced improved vision.

SourceUniversity of Iowa·JournalAmerican Journal of Ophthalmology·DateJun 18, 2013

It's the way you tell em': Study discovers how the brain controls accents and impersonations

A study led by Royal Holloway University researcher Carolyn McGettigan discovered brain regions involved in impersonations and accents. The team found that voice changes engage the left anterior insula and inferior frontal gyrus, while accent comparisons activate areas in the posterior superior temporal/inferior parietal cortex.

SourceRoyal Holloway, University of London·JournalJournal of Cognitive Neuroscience·DateJun 18, 2013

Seismic gap outside of Istanbul

Researchers have identified a 30km-long fault zone near Istanbul as a potential starting point for a strong earthquake. The area, located just 15-20km from the historic city center, has shown no seismic activity in recent years.

SourceHelmholtz Association·JournalNature Communications·DateJun 18, 2013