A study found significant variation in ICU patients' decisions to forgo life-sustaining therapies among US hospitals, with factors like hospital culture and physician practices playing a major role. Patient characteristics such as age, race, and functional status also influence these decisions.
Dr. Shayna Rosenbaum's research focuses on the neural bases of learning and memory, particularly in patients with memory impairment. Her work has provided a framework for understanding how memory is organized in the brain and the efficacy of intervention techniques when memory declines or fails.
A Michigan State University project is developing a measurement system to capture team effectiveness in real time, providing instant feedback to astronauts. The system consists of badges that measure activities such as heart rate, motion, and vocalization to identify potential issues with team cohesion.
Researchers at the University of Granada found that European Commission-proposed tobacco-warning images do not elicit a strong avoidance response in smokers, as people often perceive them as unpleasant but not impactful. The study proposes using less explicit photos to increase their emotional impact and effectiveness.
Scientists at Nanyang Technological University and Lund University have bioengineered a novel molecule, HAMLET, which has been proven to successfully kill tumour cells. The molecule is based on a natural protein present in human breast milk and has been shown to suppress colon cancer in laboratory mice.
The US can support the growth of up to 25 billion gallons of algae-based fuel annually, filling the country's current oil needs for a month. The Gulf Coast and Southeastern seaboard are the most favorable regions for algae growth due to warm temperatures, low evaporation, and abundant water.
The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) hosted a car competition for 97 Colorado schools, with teams racing solar and lithium ion powered vehicles designed and built by students. The 'Sweet and Sassy' team from Woodlands Academy took top honors in the solar design category.
A study of 170 parent-child dyads found that compromised lung function corresponded with poor sleep efficiency and impaired academic performance in urban schoolchildren. Family-level interventions aimed at asthma control and improving sleep quality may help improve academic performance in vulnerable populations.
The study found a widening gap in life expectancy of 16 years for males and 12 years for females, largely due to increasing life expectancy in the general population. Physical conditions such as cardiovascular disease were the main cause of excess deaths among people with mental illness.
Researchers have discovered two new fossil crocodile species in the Urumaco region, revealing that up to 14 different species coexisted around 5 million years ago. The discovery sheds light on the diverse array of crocodilian species that once inhabited South America and Southeast Asia.
Researchers at the University of Pittsburgh found a strong association between depressive symptoms and levels of interleukin-6, an inflammatory biomarker, in COPD patients. The study suggests that systemic inflammation may play a role in depression associated with COPD.
FAPESP has invested $680 million in 17 Research, Innovation and Dissemination Centers (RIDCs) in São Paulo, Brazil, with a focus on various research areas. The centers aim to contribute to commercially relevant high-impact applications while disseminating knowledge through education.
A new study funded by the NIH found that tonsil surgery improves sleep quality, behavioral regulation, and quality of life in children with obstructive sleep apnea syndrome. However, cognitive abilities did not improve compared to children who did not have surgery.
A study found that shorter plants have faster-changing genomes and evolve as much as five times faster than taller ones. This is due to the accumulation of genetic changes in actively-dividing cells at the tip of plant shoots.
A joint NSF/SRC program supports 29 researchers at 18 US universities to develop self-corrective electronic systems. The funding aims to ensure system reliability in life-critical applications, such as pacemakers and autonomous vehicles.
Movshon's work on visual processing and amblyopia has shed light on the neural basis of blindness. He is recognized for his studies on the organization and function of area V1, a key region in the brain's cerebral cortex.
Scientists attached a device to entangled whales, showing how fishing lines change their behavior and deplete energy. The study highlights the dangers of added drag and buoyancy from fishing gear, posing significant threats to whales' ability to eat, migrate, and survive.
Researchers at MU College of Veterinary Medicine have created radioactive nanoparticles that target lymphoma tumor cells, a crucial step toward treating metastasized cancers. The nanoparticles, made with lutetium and gold shells, can deliver radiation to tumors without harming healthy cells.
Hopkins researchers identify two genes, TTC9B and HP1BP3, that can predict postpartum depression with 85 percent certainty in pregnant women. The study's findings could lead to early intervention and treatment options for the condition.
A team of Caltech biologists found that microRNA-146a acts as a critical regulator and protector of blood-forming stem cells during chronic inflammation. Mice lacking miR-146a showed a decline in HSCs, while normal mice maintained their levels despite long-term inflammation.
Scientists at USC have found a class of drugs, TSPO ligands, that can reduce measures of pathology and improve behavior in both young adult and aged mice with Alzheimer's Disease. The treatment showed promising results, including a significant decrease in symptoms and improvements in memory.
Overweight and obese patients are more likely to repeatedly change primary care doctors, leading to increased emergency room visits. The practice of 'doctor shopping' disrupts continuity of care and can compromise the health of these patients.
A Phase IIa clinical trial found that dupilumab reduced asthma exacerbations by 87% and improved lung function, morning peak expiratory flow, and asthma symptoms. The study suggests dupilumab may be an effective treatment option for patients with persistent asthma.
A Canadian study found that teens exposed to a schoolmate's death by suicide are significantly more likely to consider or attempt suicide, with the risk especially strong among 12-13 year olds. The study's findings support strategies targeting all students rather than just close friends in postvention efforts.
Australian scientists mapped insulin action in cells with precise detail, providing a comprehensive blueprint for understanding diabetes. The breakthrough study catalogued 37,248 phosphorylation sites on 5,705 proteins, revealing 15% that changed in response to insulin.
A UCI study found that a low-cost, at-home treatment involving sensory exercises with common household items significantly improved the behaviors and cognitive function of children with autism. After six months of therapy, 42% of children showed significant improvement in behaviors commonly affected by autism.
A recent study found that using linked health records can significantly reduce biased disease estimates, with up to half of heart attack cases missed using just one data source. This highlights the importance of using multiple sources in healthcare and research.
A new study reveals that the level of immunity to the recently circulating H7N9 influenza virus in an urban and rural population in Vietnam is very low. The findings suggest that people living in this area have had little or no exposure to the virus, making it essential to consider alternative plans for pandemic preparedness.
Children who underwent surgery to remove their adenoids and tonsils showed significant improvements in behavior, quality of life, and other symptoms compared to those treated with watchful waiting. However, there was no difference between the groups in attention and executive functioning.
A new study published in JAMA Network found that a 5-day glucocorticoid treatment course was non-inferior to a 14-day course in reducing re-exacerbation of chronic obstructive pulmonary disease (COPD) during 6 months of follow-up. The shorter-course regimen also resulted in significantly reduced glucocorticoid exposure.
The NASA-NOAA Suomi National Polar-orbiting Partnership satellite captured lightning observations after the tornado dissipated, revealing that the thunderstorm complex was still active at night. The storm system continued through the region, with another satellite capturing an image of the powerful storm at night.
A £1 million project aims to design and build a reactor vessel that safely uses oxygen in manufacturing processes. This would enable compounds to be oxidised effectively while producing only water as a by-product, reducing toxicity and waste.
Researchers found that Shigella uses a biological 'RNA thermometer' to monitor its environment and produce the necessary protein for survival. At body temperature, the thermometer melts away, allowing the bacterium to synthesize the ShuA protein needed for iron acquisition.
A new study by researchers at the University of Leeds and Naturalis Biodiversity Centre found evidence of slowing declines in bee biodiversity between the 1950s and 1980s. The study suggests that conservation efforts, such as agri-environment programs, may be having an impact on reducing biodiversity losses among bees and wild plants.
Activating Sirtuin 1 (SIRT1) enzyme delays nerve cell loss and preserves cognitive function in mice. Reducing caloric intake also produces similar effects.
A study found that early removal of adenoids and tonsils can improve behavior, sleep apnea symptoms, and quality of life in children with mild to moderately severe sleep apnea. However, it did not show a significant improvement in attention and executive functioning.
Sandia National Laboratories has developed the Capability Portfolio Analysis Tool (CPAT) to help the US Army analyze complex decisions for modernizing combat vehicles. The tool combines optimization, simulation, and modeling to balance goals and budget constraints, providing a more efficient decision-making process.
Mayo Clinic researchers found that positively charged gold nanoparticles can be effective against ovarian cancer cells when their cellular stress is increased. This is achieved by inhibiting calcium uptake into the mitochondria, which helps to make the nanoparticles more effective in destroying cancer cells.
The SOURCE XT post-approval study reported good clinical outcomes with high rates of device success for all access approaches, valve sizes, and delivery systems. Patients showed sustained improvement in effective orifice area and low rates of aortic regurgitation, with low one-year mortality and stroke rates.
A study found that 6 weeks of escitalopram treatment reduced the occurrence of mental stress-induced cardiac ischemia (MSIMI) in patients with stable coronary heart disease. The treatment also improved psychological functioning and hemodynamic responses to stress.
A study published in Gaceta Sanitaria found that women are more likely to be prescribed analgesics due to socioeconomic inequality. The researchers used the Gender-related Development Index to analyze prescription patterns in areas with higher and lower gender development indices.
A new study suggests that physical activity levels can predict hospitalizations in COPD patients. The study found that those who were able to walk less than 350 meters during the six-minute walk distance and had lower vector magnitude unit scores were significantly more likely to be hospitalized. These findings underscore the importanc...
Effective mental health interventions can be implemented by trained non-specialized providers in HIV care, reducing the opportunity costs of care. Multidisciplinary collaboration is crucial for successful integration of mental health services into comprehensive HIV/AIDS treatment platforms.
A study of young Australians found a small increase in cancer risk after receiving CT scans, particularly at younger ages. The risk increased with the number of scans, but the benefits of early diagnosis and monitoring largely outweigh the risks.
A post-hoc analysis of a multicenter study found that extended use of azithromycin reduced hospitalization rates among COPD patients, with those treated receiving a significant delay between first and subsequent respiratory-related hospitalizations. The study suggests chronic azithromycin therapy may offer benefits to COPD patients at ...
A common genetic variant of the MUC5B gene is linked to an increased risk of interstitial lung disease and symptoms such as shortness of breath and cough. The study suggests that this variant may be a key indicator for predicting individuals at risk for pulmonary fibrosis, potentially paving the way for prevention efforts.
A study published in Clinical Orthopaedics and Related Research found that people on higher incomes are more satisfied with their knee replacement surgery results. In contrast, those from lower-income households reported higher levels of dissatisfaction and poorer function.
The DESolve bioresorbable scaffold system demonstrates good efficacy and safety with low rates of late lumen loss and major coronary adverse events at six months. Early vessel restoration is indicated by significant increases in vessel, scaffold, and luminal areas.
A recent study published in The Lancet found that mild-to-moderate iodine deficiency during pregnancy is associated with lower verbal IQ, reading accuracy, and reading comprehension in children. Iodine is essential for thyroid hormone production, which affects fetal brain development.
A study found that colistin resistance in bacteria also makes them resistant to the human immune system's defense mechanisms, such as LL-37 and lysozyme. This cross-resistance increases the risk of complications for patients with life-threatening multi-drug resistant infections.
A recent substudy found that the biodegradable stent Orsiro was non-inferior to the drug-eluting Xience Prime for in-stent late lumen loss at nine months, with similar rates of target lesion failure and reduced neointimal hyperplasia.
Researchers at Berkeley Lab and international team develop method to control spin orientation in magnetic nanodisks, enabling four-bit storage and potential for faster, more energy-efficient devices. Smaller disk sizes show promise for faster switching times.
Researchers have created a low-cost and accurate method for detecting prostate cancer in urine, potentially leading to early diagnosis and improved treatment outcomes. The technology uses nanoscale protein receptors to capture cancer molecule signals, offering a promising alternative to existing tests that can be costly and invasive.
Research found a significant association between early-life exposure to traffic-related air pollution and increased hyperactivity scores in children at age 7. The study suggests that traffic pollution may have long-lasting effects on the developing brain.
Researchers at Rice University have developed a novel approach to arrange metal nanoparticles in geometric patterns, enabling control of light with light. The breakthrough enables the creation of optical devices that can transform incoming light signals into output of a different color.
Researchers have developed a solar-powered nano filter that can remove harmful antibiotics and carcinogens from groundwater at a significantly higher rate than traditional activated carbon filters. The new filter uses two bacterial proteins to absorb 64% of antibiotics, offering an eco-friendly solution to combat antibiotic resistance.
University of Cincinnati researchers have discovered biomarkers for inflammatory bowel disease (IBD), a group of inflammatory conditions affecting the colon and small intestine. These biomarkers, identified through analysis of human serum specimens from the Department of Defense Serum Repository, may help improve diagnosis and treatmen...
Treatment with A1-PI slows the progression of emphysema in patients with Alpha-1 antitrypsin deficiency by preserving lung density. The study showed significant clinical and statistical benefits, confirming the efficacy of augmentation therapy.
A new study found that delayed transfer to the intensive care unit (ICU) significantly increases the risk of dying in hospitalized patients. Using a vital sign-based early warning score, researchers examined outcomes after delayed transfer and found that each one-hour increase in transfer delay was associated with a 7% increase in the ...
Children exposed to secondhand smoke in early childhood are more likely to grow up physically aggressive and antisocial. The study, controlled for factors like parental antisocial behavior, found a statistical correlation between secondhand smoke exposure and deviant behavior.
Researchers found a genetic risk factor for pulmonary fibrosis in people with the MUC5B gene variant, associated with increased lung inflammation and scarring. The study suggests that pulmonary fibrosis may be part of a larger syndrome, potentially leading to early detection and treatment.
A study by Jennifer M. Yeh and colleagues found that H. pylori and smoking trends accounted for almost half of the observed decline in intestinal-type noncardia gastric adenocarcinoma incidence in US men between 1978 and 2008, with projections suggesting further declines until 2040.
A new study by Duke University finds that male song sparrows with larger playlists learn to solve food-finding puzzles more slowly than those singing fewer songs. This unexpected result suggests a trade-off between song learning and spatial memory in birds' brains, with potential implications for human brain development.
A study by Margarita Teran-Garcia found that Mexican young adults are at a higher risk of obesity due to the FTO gene, leading to increased BMI and waist circumference. Adopting healthy habits such as a balanced diet and regular exercise can help mitigate this risk.
Cardiologist Dr Malhotra argues that the UK's daily limit of 10% added sugar is too high and leads to diet-related disease. Experts call for food industry regulation and labeling changes to help consumers make informed choices.
A global consensus statement establishes standardized definitions and measurements for drug-resistant tuberculosis in children. Research findings highlight the importance of colonization pressure as a predictor of healthcare-associated MRSA infections.
A new study reveals that Allosaurus was a more dexterous hunter than previously thought, using its unique neck structure to strip flesh from prey. Unlike T. rex, which used brute force power, Allosaurus employed a falcon-like technique that relied on agility and control.
Researchers discover phosphatidylserine improves gene function in degenerative brain disorders, including Parkinson's disease and Familial Dysautonomia, slowing nerve cell death. The supplement is able to penetrate the blood-brain barrier, accumulating in sufficient amounts in the brain.
Researchers have identified a five-amino acid fragment of prosaposin that significantly reduces metastatic spread in mouse models of prostate, breast and lung cancer. The findings suggest a potential new approach to blocking metastasis in various cancers.
A new study by GW Professor Tianshu Li provides direct computational evidence that nucleation of ice in small droplets is strongly size-dependent. The team's findings demonstrate that water at the nanoscale can no longer be considered bulk water, with implications for climate research and atmospheric science.
A study of nearly 9,000 patients found that African-Americans are less likely than whites to have had a prior diagnosis of chronic obstructive pulmonary disease (COPD), regardless of their current disease severity. In contrast, women are more likely than men to have been diagnosed with COPD, even in the absence of airflow obstruction.
Researchers create nanoparticles using natural lipids derived from grapefruit, which can transport therapeutic agents to specific cells without causing adverse effects. The technology has been validated in a Phase 1 clinical trial for colon cancer patients and may be applied to treat inflammation-related autoimmune diseases.
Washington University in St. Louis researcher Tae Seok Moon has been awarded a Gates Fellowship to develop probiotic bacteria that target and kill parasite eggs in the human body. The goal is to create a long-term strategy to prevent disease transmission, addressing a major global health challenge.
A new article synthesizes recent findings on climate-fire interactions, highlighting the significant regional climate effects of smoke particles and their impact on global temperatures and precipitation. The study also explores the role of black carbon in accelerating snow melting and its influence on terrestrial ecosystem services.
Researchers found that prostaglandin analogues (PGAs) can cause upper and lower eyelid drooping, hollowing of the inferior periorbital fat pads, and levator muscle dysfunction in glaucoma patients. The study suggests reevaluating PGA use for new patients to prevent vision loss.
A study found that patients with COPD experience chronic pain comparable to those with osteoarthritis and rheumatoid arthritis, with higher use of opioids. The researchers also noted a significant impact on quality of life and healthcare costs.
Researchers developed a novel tool, nanofountain probe electroporation (NFP-E), to deliver molecules into targeted cells through temporary nanopores. The technique provides unprecedented control over cell transfection and has shown high efficiency and viability in HeLa cell experiments.
Researchers found that escitalopram reduced mental stress-induced myocardial ischemia by 2.62 times, improving cardiovascular function and reducing platelet serotonin receptor transporters. The study suggests that SSRIs or similar treatments could play a role in managing coronary heart disease.
A new study links rapid climate change in South Africa to surges in cultural innovation among early modern humans, with evidence of symbols and personal adornments. The research suggests that population growth fueled cultural changes through increased human interactions.
A novel transcriptome-based classification of colon cancer has been developed, improving disease stratification based on clinicopathological variables and common DNA markers. The analysis identified six molecular subtypes associated with distinct clinical and pathological characteristics.
A randomized clinical trial found that early tracheostomy within the first 4 days after admission was not associated with improved survival among critically ill patients. In contrast, delaying tracheostomy until at least day 10 resulted in lower mortality and reduced procedure-related complications.
The study aims to investigate how men's and women's hearts use fat for energy differently, with potential consequences for heart disease diagnosis and treatment. Changes in fat metabolism may affect insulin production and lead to diabetes, as well as cause stiffness in heart cells.
A study published in JAMA found that a specific genetic variation is associated with improved survival in some cases of pulmonary fibrosis. The researchers identified the MUC5B promoter polymorphism as a key factor, which may lead to the development of new treatments for this deadly lung disease.
A study of veterans at high risk for developing lung cancer shows that low-dose computed tomography (LDCT) can effectively spot tiny lung nodules indicating the earliest stages of disease. LDCT uses less than a quarter of the radiation of a conventional CT scan, resulting in a higher detection rate compared to chest x-rays.
A study published in JAMA Network found that genetic variation in the MUC5B gene is associated with improved survival rates among patients with pulmonary fibrosis. The research suggests that this genetic variant can be used to predict mortality in these patients, providing new insights into the underlying mechanisms of the disease.
A large population-based study confirms a small increased cancer risk following CT scans in childhood and adolescence. The researchers found a significant increase in cancer incidence among exposed individuals, with the highest risk seen in children under five years old.
A large observational study questions whether bivalirudin is superior to heparin in the absence of GPIIb/IIIa blockade, showing similar 30-day mortality rates. The study found no evidence that treatment with bivalirudin improves outcome compared to heparin alone.
A Rice University study found that regulatory patterns in E. coli cells can arise from mutation, genetic drift, and neutral evolution, challenging the idea that environmental factors drive such patterns. The researchers generated computer models of random regulatory networks, which evolved through millions of generations without progra...
A new study found that a spike in acetylcholine in the right prefrontal cortex activates response to signals, suggesting a potential brain mechanism for switching between behaviors. The findings have implications for treating disorders such as obsessive-compulsive disorder and autism.
A new set of guidelines aims to cut medication errors with anticoagulants, which account for nearly 7% of hospital errors. The guidelines recommend a multidisciplinary team approach, patient education, and standardized dosing protocols to reduce errors by up to 78%.
The Ghana National Drugs Programme followed international recommendations on pediatric medicines, but faced challenges due to limited data on African settings. The programme ultimately included four out of five medicines in the national essential medicines list.
A new study by King's College London found that children who suffered maltreatment are 36% more likely to be obese in adulthood. The authors estimated that preventing or effectively treating child maltreatment could avoid up to 1 case of adult obesity.
Scientists have discovered a new species of ant from the Philippines with a distinctive dark stripe across its eyes, which resembles a pirate eye patch. The function of this bizarre pigmentation pattern remains unclear, but researchers speculate it may serve as a tool to distract and confuse predators.
A study by University of Granada researchers found that elite athletes believe doping substances are effective in improving performance, yet recognize the risks. Coaches play a significant role in shaping their attitudes towards doping.
A clinical study demonstrates the durability of NeuroStar TMS Therapy in patients with Major Depressive Disorder (MDD) who have failed to respond to prior antidepressant medication. After acute treatment, patients maintained significant improvement and remission through 12 months, suggesting a long-term benefit of the therapy.
Duke University engineers have created a novel method for producing clean hydrogen, reducing carbon monoxide levels to nearly zero. This approach uses a new catalytic process with nanoparticle combinations of gold and iron oxide, making it a more practical option.
A new study identifies larger arachnoid cysts and recent head trauma as key risk factors for rupture or bleeding in children. The study found that the risk of rupture was significantly higher for children with larger cysts, with an estimated 16 times greater risk for cysts measuring five centimeters or larger.
Arizona State University computer scientist Carole-Jean Wu has been awarded the Bisgrove Scholar Award to fund her research on reducing energy consumption in computing systems. Her goal is to locate and convert heat into electrical energy to power devices, enabling more efficient energy management solutions.
A team of MSU researchers aims to boost astronaut motivation to exercise during long-duration space missions. They will test software featuring computer-generated workout partners to improve adherence and overall health outcomes.
A study of over 1.2 million patients found racial disparities in the initial treatment of non-small cell lung cancer, with African-Americans less likely to undergo surgery and Hispanics more likely to receive treatment. The disparities may contribute to recognized racial differences in cancer patient outcomes.
A new computational model analyzes the potential usefulness of drug-coated balloons, which may pose fewer risks than current treatments. The model explains how factors like balloon size and drug coating influence drug release and distribution.
Climate change alters species interactions, potentially destabilizing entire ecosystems. The study reveals how temperature changes affect metabolic rates and consumer-resource interactions, leading to increased encounter rates between predators and prey.
Scientists have discovered a protein that binds to two 'orphan receptors' found in the brain, GPR37 and GPR37L1. This binding has been linked to neuroprotection and glioprotection, suggesting potential therapeutic applications for neurological diseases such as Parkinson's and stroke.
A modified poliovirus is infecting and killing glioblastoma brain tumor cells with encouraging results in an ongoing phase 1 study, researchers report. The virus-based therapy, known as PVSRIPO, triggers the immune system to attack infected tumor cells.
Researchers at Albert Einstein College of Medicine discovered that vitamin C can kill drug-resistant tuberculosis (TB) bacteria in laboratory culture, suggesting a new approach to shorten TB therapy. The study found that vitamin C induced a Fenton reaction, causing reactive oxygen species that kill the TB bacteria.
A new study published in the New England Journal of Medicine found that tonsil/adenoid surgery improved behavior, quality of life, and other symptoms in children with obstructive sleep apnea. However, there was no significant difference seen in attention and executive function between the treatment groups.