Researchers found that treating intubated patients with chlorhexidine paste reduced the risk of ventilator-associated pneumonia by 65%, while a combination of chlorhexidine and colistin cut the risk by 55%. The study, published in the American Journal of Respiratory and Critical Care Medicine, suggests a cost-effective approach to prev...
Participants over-estimated hill steepness after a run, wearing a heavy backpack, or being elderly. Perceived risk on skateboards also led to greater estimates. The author concludes that perception is influenced by physiological state, emotions, and purposes.
A new algorithm has been developed to improve mobile data retrieval efficiency, allowing users to access data more quickly without increasing power consumption. The technique uses parallel air channels to reduce channel switching and minimize battery drain.
Researchers found that a viral protein helps monkeys resist AIDS symptoms, but HIV-1 lacks this protective function, leading to increased immune activation and disease progression. The study suggests that treatments mimicking the primate immune system might offer a new approach to HIV therapy.
The German government is failing to provide necessary health care to trafficked women, instead subjecting them to detention and deportation. Authorities must recognize trafficking as a health issue and prioritize the well-being of victims who can provide evidence against their exploiters.
Recent study reveals social anthropology Ph.D. holders are highly employable, working outside academia in various fields, including international development and tech companies. Their special skills of observation and critical analysis are valuable assets in these settings.
Research using sleepy fruit flies discovered that specific regions of the brain, known as mushroom bodies, regulate sleep. Increasing serotonin activity in these regions promotes sleep, which may help with learning and memory consolidation.
Scientists found that the same mechanism regulates vein formation in leaves and branches, changing plant development studies. The discovery sheds light on plant growth and may lead to new ways of manipulating plant development.
Researchers at UT Southwestern identified a defect in the Ly108 gene as a cause of immune cells attacking healthy tissues, leading to systemic lupus erythematosus. The study's findings could lead to better diagnostic tests and therapies for human lupus.
Dr. Paul Root Wolpe argues that scientists have a unique responsibility to advocate for their research and carefully consider ethical implications. By doing so, they can advance their own work and improve the public's understanding of scientific breakthroughs.
A Stanford survey of 781 US women aged 40-60 found that nearly all reported experiencing menopausal symptoms, with many turning to herbal products and soy supplements instead of hormone therapy. Despite risks associated with hormone therapy, the study highlights the need for physicians to learn more about alternative therapies.
Astronomers have found four stable groups of asteroids around the Sun: Kuiper Belt, Jupiter Trojans, main asteroid belt, and now Neptune Trojans. The new discoveries suggest a large population of high-inclination Neptune Trojans, which may have formed after giant planets settled into their orbits.
Researchers found that Maori were nearly ten times more likely to experience discrimination than Europeans, leading to poor self-rated health, low mental health, and cardiovascular disease. After controlling for age, sex, deprivation, and racism, the inequalities in health outcomes between Maori and Europeans significantly reduced.
A study by Rafael Rob and Joel Waldfogel found that downloading reduces per capita expenditures by $25, while increasing the amount of music each individual consumes by the equivalent of $70. Additionally, the researchers argue that illegal downloading may alleviate monopoly deadweight loss problems.
The discovery of Gansus yumenensis, a loon-like ancient bird, sheds light on the early history of modern birds. Fossils found in China suggest that aquatic environments played a crucial role in the evolution of birds.
Combination therapy with a monoclonal antibody (CLTA4 blockade) and a vaccine (Gvax) leads to increased infiltration of CD8+ T effector cells into tumors, resulting in tumor rejection. Chronic exposure to this therapy does not deplete regulatory T cells, preserving their immune-modulating function.
A five-year study by WCS and partners investigates how natural gas development affects pronghorn antelope in Wyoming's Upper Green River Valley Basin. Preliminary findings show that pronghorn can adapt to human presence but tend to avoid fragmented areas, and proximity to development has no effect on their health.
The IL-21 receptor plays a pivotal role in the Th2 immune response, which is often disrupted in chronic diseases. This receptor is essential for regulating T-cell function and cytokine production.
A recent study by Stanford University researchers has discovered that gene transcription enzyme RNAP makes frequent pauses at specific sites on the DNA double helix. The pause durations and frequencies were found to be sequence-dependent, with enzymes pausing at particular sites in response to specific signals in the DNA.
A study found that children from trailer parks who integrate into the community, develop intense relationships with mentors and town friends, and invest in their education can overcome socioeconomic obstacles. Investing time and energy from parents also plays a crucial role in social mobility for these teenagers.
A survey of UK laboratories showed a 83% increase in lab test requests from primary care between 2000 and 2004. Two strategies developed by Dr. Bernie Croal reduced unnecessary test requests by 10-22% in Scottish primary care practices. These interventions are feasible within most laboratory settings.
Researchers found that stopping inhaled corticosteroids in cystic fibrosis patients had no significant increase in lung-related adverse effects. The study showed that replacing the medication with a placebo was safe for most patients, suggesting that it may be possible to lower drug burden and reduce side effects.
Researchers at Salk Institute identify growth factor FGF as molecule guiding axons to muscles, uncovering general principles of neuronal connections. This discovery may help restore movement in people with motor neuron diseases and improve understanding of autism spectrum disorders.
Researchers found that AMP production is triggered by sterile wounding of the skin surface, independent of microbial exposure. The study also showed that activation of EGFR leads to increased antibacterial activity against Staphylococcus aureus and prevents microbial growth in human skin.
Activation of EGFR stimulates AMP production, enhancing skin's antibacterial defense against Staphylococcus aureus. Wounding alone activates defense mechanisms to prevent microbial growth and related skin infections.
The new technology allows for standardized, electronic reports after surgeries, improving data analysis and patient outcomes. It has been adopted by the Alberta Cancer Board and other health regions, tracking surgical effectiveness and resource allocation.
The study found that activating hedgehog signals in adult mouse hearts increased blood vessel density, offering an alternative to invasive procedures. The researchers believe a drug treatment targeting hedgehog signaling could provide substantial benefit to patients with ischemic heart disease and myocardial infarctions.
A study of 60 life science researchers and entrepreneurs from developing countries found a lack of communication and coordination between diaspora members and their home countries. The researchers call for the establishment of mechanisms such as Diaspora Business Initiatives and National Science Corps to facilitate partnerships and col...
The 2012 London Olympics will require significant public investment and feature corporate sponsors like McDonald's and Coca-Cola, raising concerns about the promotion of unhealthy behaviors. Dr. Jeff Collin argues that these associations are highly questionable given the significance of obesity as a health problem.
Researchers found that targeting women's depression can help reduce disability associated with chronic pain. Women are more likely to experience higher levels of depression and greater pain intensity than men, and may respond differently to treatments.
Scientists have discovered that thawed loess permafrost in Siberia and Alaska contains a large amount of carbon, with approximately 500 Gt of carbon stored. This finding is significant as it suggests that the thawing of this type of permafrost could release substantial amounts of carbon into the atmosphere over the next century.
Researchers found a significant decrease in muscle cramps with Pycnogenol supplementation, including a 25% reduction for normal crampers and a 40% reduction for those with venous insufficiency. The study also showed improved blood flow to muscle tissue, reducing pain in patients with diabetic microangiopathy.
The number of hip fractures worldwide is projected to rise from 1.7 million in 1990 to 6.3 million in 2050, with estimated annual costs reaching $131.5 billion globally and $30 billion in the EU.
The IADR has reinstated the Isaac Schour Memorial Award, a prestigious award that recognizes outstanding scientific contributions in anatomic sciences. The award will be funded at the same level as other IADR Distinguished Scientist Awards and will consist of a $2,000 prize and a plaque.
Fossil specimens of a near-modern bird, Gansus yumenensis, found in northwestern China, indicate that early birds likely evolved in an aquatic environment. The findings suggest that these early modern birds were similar to ducks or loons, with webbed feet and bony knees.
Researchers found that GM-CSF and TNF-alpha induce the phosphorylation of a serine residue on NADPH oxidase, priming it for action at sites of inflammation. This prime may be targeted with drugs to prevent exaggerated neutrophil responses in inflammatory conditions like rheumatoid arthritis.