A Rice University researcher is rebooting 'deep brain stimulation' technology to treat Parkinson's disease and other neurological disorders. The new technique uses embedded processors and real-time analytics to optimize results, potentially increasing effectiveness for a third of patients.
A new study from Zimbabwe found that providers are hesitant to test children for HIV due to concerns about guardianship and privacy. The research highlights the need for improved guidelines, training, and organizational adjustments to increase HIV testing and counseling among this vulnerable population.
Economists at Yale School of Environment develop framework to value natural resources as long-term wealth stores, rather than commodities. The new approach combines economic and biophysical measurements to quantify feedbacks between nature and human behavior, providing a basis for accurate valuation.
Scientists have identified two genes, MLF2 and RPL39, that may affect the most lethal type of breast cancer. Suppressing these genes can reduce tumor formation and metastasis by interfering with blood vessel formation and recruitment.
A new study reveals that MSG triggers obesity and nonalcoholic steatohepatitis in mice, with a restrictive diet slowing but not preventing disease progression. The findings have significant implications for childhood obesity, a major global health concern.
A team of researchers at Cold Spring Harbor Laboratory has identified the group of neurons in the brain that determines how a mouse responds to stress, whether with resilience or defeat. The study's findings may lead to improved treatments for depression.
A recent Rutgers University study published in Frontiers in Neuroscience found that young rats who mastered a learning task had newborn brain cells survive for longer periods. The study suggests that learning helps keep brain cells alive and could impact how the brain functions after puberty.
A study published in JAMA found that an endoscopic procedure did not reduce disability due to pain following gallbladder removal. Patients with abdominal pain after cholecystectomy underwent either sphincterotomy or a placebo treatment, and the results showed no significant difference in successful outcomes between the two groups.
Researchers at University of Southampton have developed a new hybrid energy transfer system that mimics the processes responsible for photosynthesis. The system enables efficient energy transfer over long distances, with potential applications in optoelectronic devices and synthetic systems.
The study found that Australian sweet cherry varieties 'Sweetheart' and 'Kordia' have different chill hour requirements. The researchers concluded that regions in Western Australia and Queensland will become marginal for 'Kordia', while 'Sweetheart' can still thrive with increased winter temperatures.
Older adults who engage in at least 25 minutes of moderate or vigorous exercise daily require fewer prescriptions and experience lower rates of emergency hospital admissions. This study highlights the importance of exercise programs for maintaining physical function and preventing chronic diseases.
Deaf students can now fully participate in planetarium shows and enjoy literacy tools like a virtual dictionary that provides video definitions. The innovative technology is also being explored as a tool for assisting deaf clients in medical settings.
Researchers at Massachusetts General Hospital have developed a new source of skin grafts to treat seriously burned patients, using pigs lacking the Gal sugar molecule. The grafts were as effective as human skin and showed signs of rejection similar to deceased-donor grafts.
A Martian volcano, Arsia Mons, may have supported one of the most recent habitable environments on the Red Planet. Researchers found evidence of englacial lakes and volcanic lava flows that could have created a liquid water environment suitable for microbial life. The discovery is significant as it suggests that such environments may h...
Researchers have developed precision-guided epidurals using optical coherence tomography (OCT) to reduce pain and complications. OCT also enables better blood monitors that measure oxygen saturation and flow rates without contrast agents.
A $26 million research project employs advanced technology to understand and treat psychiatric disorders by analyzing brain networks. The project aims to develop neural stimulation therapies to 'unlearn' detrimental signaling patterns, potentially eliminating symptoms.
Scientists used a new technology called GRO-Seq to map the genes directly regulated by p53, a tumor suppressor gene that helps prevent cancer. The study identified dozens of new genes that are activated by p53, which could lead to new strategies for fighting cancers.
Researchers at Carnegie Mellon University found that too much visual stimulation can distract young children from learning. The study showed that children in highly decorated classrooms were more likely to be off-task and demonstrated smaller learning gains compared to those in sparse classrooms.
The University of Houston will bolster its biomedical research capabilities with the recruitment of cancer imaging expert David Mayerich. Mayerich's work focuses on improving diagnosis and treatment through high-performance imaging and modeling of complex tumor structures.
A new study uses chest CT scans to identify individuals at high risk for cardiovascular disease, regardless of conventional risk factor status. The study found that radiologic information can complement standard clinical strategies in cardiovascular risk screening.
A new analysis found certain cancers are more concentrated in areas with high poverty, while others arise in wealthy regions. Areas with higher poverty have lower cancer incidence and higher mortality than those with lower poverty.
Researchers have developed a new imaging technique to track Multiple Sclerosis (MS) progression from its earliest stages. The study uses QS Magnetic Resonance Imaging (MRI) to measure damage in specific brain areas, revealing that even at early disease stages, patients already show significant damage.
Researchers at IRB Barcelona have identified a new gene, RARRES3, that promotes breast cancer metastasis to the lung. The study reveals that loss of function of this gene enhances adhesion and differentiation in cancer cells, leading to increased malignant capacity.
The FDA has approved medications that raise blood pressure, increasing the risk of heart attacks and strokes, despite inadequate safety data. The agency is urged to establish guidelines and require pharmaceutical companies to provide cardiovascular safety data on these medications.
A recent survey found that 60% of adults support health warnings similar to those on cigarette packets, while 70% favor banning sugary drinks in schools or limiting sugar content.
A study published in JAMA found that participation in a structured moderate-intensity physical activity program significantly reduced the risk of major mobility disability among older adults. The study, known as LIFE, involved 818 participants who were randomly assigned to either an exercise group or a health education program.
Researchers at UCI have discovered a new role for estrogen receptors on the surface of cells, which collaborate with nuclear receptors to regulate organ development and function. The study has significant implications for understanding estrogen's role in diseases such as cancer, cardiovascular disease, and bone disease.
A study found that as Europe warms, communities of butterflies and dragonflies consist of more lighter-colored species, which are better adapted to the changing climate. Lighter-colored insects can reflect sunlight and regulate their body temperature, giving them an advantage over darker-colored species.
The Slide Fire smoke has shifted from Flagstaff to Sedona in Arizona, covering over 20,000 acres of the Coconino Forest. Crews have completed the final perimeter burnout and are working to hold the containment line along the west edge of the fire.
A University of Florida study shows that daily moderate physical activity can help aging adults maintain their ability to walk and prevent long-term mobility loss. The study found a 18% increase in walking speed among participants who exercised regularly compared to those who did not.
Recent research emphasizes the significance of gene flow in plant populations, counteracting forces of mutation, genetic drift, and selection. Gene flow between populations can be surprisingly far-reaching, even among stationary individuals, with some studies detecting alleles from hundreds to thousands of meters away.
Researchers predict that only a few craters from asteroid impacts could persist on Earth due to tectonic processes and weathering. However, layers of molten rock blasted out during the impact process may serve as better records of impacts, providing insights into Earth's bombardment history.
Researchers used large population-based data to compare six common chemotherapy regimens, identifying those with the highest risk of hospitalization. The study found that TAC and AC+T were associated with high hospitalization rates in younger patients, while all regimens except ddAC+P had higher risks for older patients.
Researchers found a significant association between reduced daily physical activities and mental health issues, including depression and anxiety. The study suggests that increased daily physical activity could be an effective way to reduce these symptoms in dialysis patients.
A new study suggests that people's perception of free will is based on the agent's ability to make intentional and independent choices, regardless of their spiritual beliefs. The study found that participants generally attributed free will to humans with mental capacity, but not to those without.
Researchers identify three periods with distinct pollen patterns, advising people to avoid being outdoors during peak hours in early and middle seasons. Dr. Robert Peel suggests avoiding midday outdoor activities in the late season.
Pericytes, a type of stem cell found in the brain, play a key role in brain repair after a stroke by migrating to damaged areas and converting into microglia cells. This discovery opens up new possibilities for targeting pericytes as a potential treatment for stroke treatment.
Agricultural fires are on the rise in central Africa due to the dry season, affecting air quality and public health. The region's reliance on slash-and-burn agriculture has led to a recurring pattern of annual burning that can have significant environmental implications.
Hurricane Amanda strengthened into a Category 4 hurricane over the Memorial Day weekend, with maximum sustained winds near 155 mph. The storm is currently moving north-northwest at 7 mph and has a minimum central pressure of 932 millibars.
A new report estimates that business activities conducted by informal entrepreneurs can make up over 80% of total economic activity in developing countries. The study found that Indonesia has the highest rate of shadow economy entrepreneurs, with a ratio of over 130 to every legally registered business.
The Johnson Lab is developing state-of-the-art digital imaging to measure consumption, which has been validated by a paper in the Journal of the Academy of Nutrition and Dietetics. Researchers are exploring ways to employ the method, including training non-researchers to collect data.
Critically ill patients receiving steroids in the ICU are significantly more likely to develop delirium, with up to 80% of ventilated patients at risk. Minimizing steroid use may reduce delirium and its long-term impact on functional recovery and cognitive function.
Researchers found that ultraviolet environmental disinfection (UVD) significantly reduced healthcare-associated infections caused by multidrug-resistant organisms and Clostridium difficile. The study analyzed 52 months of hospital-acquired MDROs plus C. difficile before and during UVD use, resulting in a 20 percent decrease in superbugs.
Researchers discover protein toxic to nematodes, protecting fungus and plant roots from parasites. The toxin docks on modified sugar structures, paving the way for novel vaccines against parasites and pathogenic germs.
A recent study suggests that the evolution of human brain and brawn are intertwined. Human muscle accumulated more metabolic change than chimpanzees, while the human brain metabolome evolved four times faster. These findings may hold clues to common human metabolic diseases.
A University of Adelaide research team discovered significant genetic and physiological differences between male and female babies, with placenta playing a crucial role. The findings suggest that female babies are more likely to adopt a risk-averse strategy towards development and survival.
A study published in Nature Communications reveals that climate change is favoring the distribution of light-colored insects in Europe, particularly butterflies and dragonflies. This phenomenon is due to their ability to regulate heat through their color variation, allowing them to thrive in warmer areas.
Scientists detect Dirofilaria repens in mosquitoes in Austria, a parasite that attacks subcutaneous tissue of dogs and causes skin lumps. The parasite is also present in other European countries, and its spread into Austria is expected.
Researchers at Oregon State University have discovered that polyoxoniobates can degrade and decontaminate nerve agents like sarin gas, making them ideal for protective suits and clothing. The discovery could have significant implications for military and civilian protection against deadly nerve gases.
A new tick-borne bacterium, Neoehrlichia, has been linked to six cases of disease in Sweden, posing a significant risk to people with weakened immune systems. Researchers found that those over 50 years old with haematological or rheumatic diseases undergoing immunosuppressive treatment are most vulnerable.
Paul Glasziou argues that open access models can reduce research waste and improve the quality of medical research. He suggests that charities and governments should publish funded work in open access to make it more effective, as $100 billion of pre- and post-publication research is wasted annually.
A study found that observing e-cigarette use increases young adult smokers' desire to smoke both combustible and e-cigarettes. The study suggests a need for policy attention on the secondary effects of e-cigarette use on observers.
Researchers found that health issues and relationship changes have a major effect on the economic well-being of low-income rural families. However, social support networks, usually extended family, can help mitigate hardship by providing emotional and financial support.
A team of scientists reveals that a specific protein recognizes and repairs DNA crosslinks using the Fanconi anemia signal pathway. The study sheds light on the complex process of repairing damaged DNA, which can trigger cancer development. This new knowledge may lead to improved drugs for cancer treatment.
Researchers tracked two consecutive years of zebra migrations between Chobe River in Namibia and Nxai Pan National Park in Botswana, covering a straight-line distance of 250km (500km round-trip). The findings highlight the importance of trans-frontier conservation areas in preserving great terrestrial migrations.
Pharmacists at Jena University have developed three potential therapeutic agents that may improve the healing of inflammatory illnesses. The agents suppress a key enzyme in the body's own cascade of inflammation, specifically targeting 5-LOX, which plays a pivotal role in synthesizing leukotrienes. This breakthrough could lead to more ...
An analysis of 600 American College of Cardiology/American Heart Association guideline recommendations found that 80% were retained at the next revision, while those not supported by multiple randomized studies were more likely to be downgraded. The study suggests the need for frequent re-evaluation of practices and policies based on g...
The Funny River Fire in southern Alaska has been reported as 30% contained, affecting 158,585 acres. The fire is spreading northeast towards Skilak Lake Road, prompting evacuations and closures along the Kenai River.
Tropical forest carbon accumulation is reduced by nearly 20% due to invasive vines. Lianas block sunlight for tree growth and don't compensate for displaced carbon.
Research by Stan Floresco reveals the dynamic competition between brain regions to inform decisions. The frontal lobes temper impulses towards larger, uncertain rewards, while dopamine neurons provide short-term updates on recent outcomes.
Researchers have unveiled a new method for controlling the growth of metal-crystals from single atoms, enabling precise components for nanotechnology. The breakthrough, called Nanocrystallometry, allows for the creation of ultra-precise metal-crystals with potential applications in electronics, sensing, and energy storage.
Researchers found that bioelectrical signals from distant cells can control tumor formation, with a common fatty acid produced by bacteria playing a key role. This discovery opens up possibilities for preventing, detecting, and treating cancer.
Researchers found a genetic variant in noncoding DNA that leads to protein overproduction in heart cells, increasing the risk of sudden cardiac death by 40%. The discovery could lead to new drug treatments and improve understanding of cardiac repolarization.
A policy of higher NHS spending in deprived areas is associated with a reduction in absolute health inequalities from causes amenable to healthcare. This trend continues even after adjusting for other factors, suggesting that targeting resources at deprived areas may be an effective strategy.
A new study has shed light on the role of dopamine-dependent reinforcement signals in the nucleus accumbens, a region connected to pleasure seeking and drug addiction. The research, using optogenetics, reveals how glutamate-dependent signals from other brain regions interact with these signals.
Researchers have developed a new treatment for drug-resistant epilepsy that suppresses seizures 'on demand' with a pill, similar to painkillers. The treatment uses genetic modification of brain cells to make them sensitive to a normally inactive compound, avoiding side effects and permanent brain alterations.
Researchers have developed a new nickel catalyst that catalyzes the cross-coupling reaction between carbonyl compounds and phenol derivatives to form alpha-arylketones, which are found in many biologically active compounds. The study has potential applications in synthesizing biologically active molecules and organic materials.
A daily 20-minute walk can significantly reduce the risk of mobility disability in older adults, with a 18% reduction observed in participants who engaged in physical activity. The Lifestyle Interventions and Independence for Elders (LIFE) Study found that maintaining mobility is key to functioning independently.
A Baylor University study found that corporate communicators can effectively influence senior business executives by building informal coalitions in various settings, including coffee shops. This approach bridges gaps between rank-and-file employees and executives, helping companies avoid mistakes and protect reputations.
A school-based intervention aimed at increasing physical activity, reducing sedentary behavior, and improving fruit and vegetable consumption among children showed no significant effect. However, the program did reduce weekend screen time and snack consumption in children.
Researchers have found that disturbed blood flow leads to epigenetic changes in genes lining blood vessels, contributing to atherosclerosis. The study suggests that good blood flow patterns can persist over time due to these lasting changes.
Researchers have developed a new imaging technique using X-ray dark-field radiography to detect lung diseases at an earlier stage. This method provides detailed images of soft tissue, enabling the visualization of structural changes in lung tissue.
The GME system faces transparency and accountability issues, with only 20.9% of residents practicing primary care. Recommendations propose fully funding the National Health Care Workforce Commission and requiring transparent spending of GME funds to support a more efficient physician workforce.
The Panama government has implemented new traffic separation schemes to minimize overlap between commercial vessels and humpback whale migration routes. The changes are expected to reduce vessel speed four months a year and minimize vessel-whale collisions by up to 95%.
A 12-week clinical trial found that drinking diet beverages helped participants lose 44% more weight than those consuming water alone. Participants in the diet beverage group reported feeling less hungry and experienced improvements in cholesterol levels.
Researchers found a striking lack of diversity in the earliest known fossil bird fauna, with larger birds and water birds missing from the sample. The scientists applied a statistical technique to modern-day birds to relate physical characteristics to behavior, diet, and habitat.
Researchers at Georgia Institute of Technology and Emory University discovered that altered blood flow induces epigenetic alterations in endothelial cells, leading to atherosclerosis. Additionally, they found that reduced expression of the aldehyde dehydrogenase 1 enzyme makes dopaminergic neurons more susceptible to degeneration in Pa...
A study by researchers from the University of Montana finds that climate warming is increasing hybridization between native westslope cutthroat trout and invasive rainbow trout. This accelerated hybridization threatens the genetic integrity and diversity of native species.
A Penn Medicine research team found that recommendations supported by multiple randomized controlled trials were the most durable and least likely to change over time. The study analyzed over 600 Class I ACC/AHA recommendations, finding that 4 out of 5 remained valid across two guideline editions.
Researchers analyzed nearly 3,000 cod bones from 95 excavations in and around London, identifying a sudden change in the origin of the fish during the early 13th century. This shift indicates the onset of a large-scale import trade, revolutionizing the local fishing industry.
A study compared phenolic compounds in indigenous rose species to those of modern cultivars, revealing distinct differences in leaf phenolic content. Indigenous rose species are found to contain higher levels of phenolic antioxidants, making them a potentially suitable source for medicinal purposes.
A new Vanderbilt University study found that women with blood in their urine were less likely to be referred to a urologist for further tests than men with the same issue. The disparity may contribute to delayed diagnoses and worse mortality rates among women with bladder cancer.
Researchers found exercise training significantly reduces HSP90 overexpression in PD rats, suggesting a potential therapeutic target for skeletal muscle abnormalities. This study supports the use of HSP90 inhibitors as a new treatment option for PD-related muscle issues.
Smaller laser-plasma accelerators could accelerate particles to high energies, potentially reducing the cost of high-energy physics research and industrial applications. The new technology uses a combination of lasers to create an incoherent wakefield, which would allow for more sustainable and affordable accelerators.
Researchers found that stiff arteries alone can lead to high blood pressure by preventing the body from sensing changes in blood pressure. This discovery could pave the way for new treatments targeting arterial stiffness as a key factor in developing high blood pressure.
New analysis of Moon rocks indicates regional variations in water content, providing insights into lunar formation and crust cooling processes. The study suggests that the Moon's water may have originated from both Earth and comets/asteroids, with implications for understanding the source of Earth's water.
Researchers found that better access to healthcare can offset the natural decrease in mammogram use as a woman's life expectancy grows smaller. Women with limited life expectancy who live in areas with greater access to healthcare are more likely to be screened for mammograms.