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Science News for November 22, 2010


Overweight primarily a problem among wealthier women in low- to middle-income countries

A new study from Harvard School of Public Health finds that high body mass index (BMI) is primarily a problem among wealthy women in developing countries. The study analyzed data from 54 low- to middle-income countries and found an association between BMI and wealth, with richer women more likely to be overweight.

SourceHarvard T.H. Chan School of Public Health·JournalAmerican Journal of Clinical Nutrition·DateNov 22, 2010

Allotment gardeners reap healthy rewards

A study found that allotment gardeners, especially those over 60, exhibit increased levels of physical activity and better overall health compared to their non-gardening counterparts. The research also suggests that having an allotment can promote healthy aging and lifestyle habits.

SourceBMC (BioMed Central)·JournalEnvironmental Health·DateNov 22, 2010

University of Minnesota engineering researcher finds new way to fight antibiotic-resistant bacteria

Researchers at the University of Minnesota have discovered a new way to combat antibiotic-resistant bacteria by treating municipal wastewater solids at higher temperatures. This approach can destroy up to 99.9% of bacterial genes that confer resistance, making it a potential tool in the fight against superbugs.

SourceUniversity of Minnesota·JournalEnvironmental Science & Technology·DateNov 22, 2010

Successful treatment for mice with beta-thalassemia

A team of researchers has successfully treated beta-thalassemic mice by increasing hepcidin levels, which limits iron overload and markedly reduces anemia. This approach suggests a new therapeutic strategy for patients with beta-thalassemia, potentially mitigating iron overload and anemia.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 22, 2010

Lower-income families with high-deductible health plans may put off care because of costs

A recent study found that lower-income families enrolled in high-deductible health plans are more likely to delay or forego medical care because of the costs. Despite this, they did not report any difficulties understanding their plans. The study suggests that physicians play a crucial role in helping patients navigate these challenges.

SourceJAMA Network·JournalArchives of Internal Medicine·DateNov 22, 2010

Cutting-edge salivary diagnostics research presented at AADR 3rd Fall Focused Symposium

The American Association for Dental Research (AADR) presented a record-breaking turnout of 22 scientific posters on cutting-edge salivary diagnostics research. Key findings included emerging technologies and translational applications in the field, marking a significant milestone for the organization.

UC breakthrough may lead to disposable e-Readers

Researchers at the University of Cincinnati have developed a low-cost, high-performance paper-based display technology that could enable the creation of disposable e-readers. The technology uses electrowetting devices and has been shown to be equivalent in performance to glass, which is the gold standard in the field.

SourceUniversity of Cincinnati·JournalACS Applied Materials & Interfaces·DateNov 22, 2010

JCI table of contents: Nov. 22, 2010

High-throughput DNA sequencing of gut bacteria confirmed that antibiotic treatment disrupts bacterial patterns, which precedes VRE colonization and bloodstream invasion. Monitoring fecal bacteria content could identify patients at high risk of life-threatening infections.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 22, 2010

AGU highlights: Nov. 22, 2010

Researchers study how changing winds in the Southern Hemisphere affect ocean carbon storage and atmospheric carbon dioxide. A new study finds large methane releases from ocean sediments during glacial periods could have impacted ocean chemistry and contributed to climate changes.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateNov 22, 2010

Depression may be both consequence of and risk factor for diabetes

A large cohort study found that women with depression were 29% more likely to develop type 2 diabetes and those with diabetes had a 53% higher risk of developing depression. The association remained significant even after adjusting for lifestyle factors, suggesting a bidirectional relationship between the two conditions.

SourceJAMA Network·JournalArchives of Internal Medicine·DateNov 22, 2010

MIT study: Adding face shields to helmets could help avoid blast-induced brain injuries

Researchers at MIT have created computer models that show a face shield can significantly reduce traumatic brain injury by impeding direct transmission of blast waves to the face. The study's findings offer a potential solution for preventing head injuries sustained by US troops during explosions.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateNov 22, 2010

Prostate cancer clinical stage does not predict recurrence

A recent study published in Cancer found that clinical stage does not predict recurrence risk for patients with localized prostate cancer after having their prostate removed. Despite frequent errors in assigning stage, there was no association between clinical stage and prostate cancer recurrence.

SourceWiley·JournalCancer·DateNov 22, 2010

Medical imaging breakthrough uses light and sound to see microscopic details inside our bodies

Researchers have developed a new imaging technology that combines photoacoustic tomography with gold nanobeacons, allowing for unprecedented detail in visualizing blood vessel formation. This breakthrough has the potential to help healthcare providers diagnose diseases earlier and more accurately.

Sleep program needed for IT engineers

A new study published in Springer's journal Applied Research in Quality of Life found that 56% of software engineers suffered from insomnia, leading to lower quality of life and physical and mental health issues. Suitable awareness programs and lifestyle management should be implemented to address this issue.

SourceSpringer·JournalApplied Research in Quality of Life·DateNov 22, 2010

Targeted breast ultrasound plays key role in evaluating breast abnormalities in women younger than 40

A study published in the American Journal of Roentgenology found that targeted breast ultrasound was highly accurate in detecting breast cancer in women under 30. The study's high sensitivity and negative predictive value support its use as the primary imaging technique for young women with focal breast concerns.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateNov 22, 2010

Flying snakes, caught on tape

Researchers studied Chrysopelea paradisi snakes as they glided from a branch to the ground. The analysis revealed that the snakes never achieved equilibrium gliding state, but were instead pushed upward due to aerodynamic forces. This temporary effect would eventually cause the snake to hit the ground.