A study found that narrower central retinal arteriolar equivalent (CRAE) is associated with a higher six-year incidence of any cardiovascular disease and lower extremity arterial disease. Larger retinal venular diameter, on the other hand, was linked to an increased risk of hypertension.
A study examined the effectiveness of exercise testing in asymptomatic patients after coronary revascularization. Ischemia was detected in 262 patients and death was associated with ischemia, suggesting that risk evaluation could be obtained from a standard exercise test rather than exercise echocardiography.
A recent study by the University of Edinburgh found that large city hospitals act as breeding grounds for the superbug MRSA prior to its spread to smaller hospitals. Researchers analyzed over 80 variants of a major clone of MRSA and identified mutations leading to new strains, tracing their spread nationwide.
Researchers aim to break nicotine addiction by blocking hypocretin-1 receptors, which play a key role in driving desire for more nicotine. The study has the potential to provide a significant breakthrough in treating tobacco abuse and preventing relapse.
The Folsom Group revitalizes the 1967 report's blueprint, updating 13 grand challenges to facilitate nationwide integrated patient-centered community health services. Intranasal corticosteroids show small therapeutic benefit for sinus infection sufferers, but with potential harms and cost implications.
A new study suggests that serving water with meals can help young adults make healthier food choices by associating water with vegetables, rather than soda or salty snacks. Preschoolers also show a preference for eating raw veggies with water, rather than sugary drinks.
A clinical study at the University of California, San Diego School of Medicine found that smoked cannabis reduced symptoms of multiple sclerosis, including improved spasticity and pain. However, the study also reported short-term adverse cognitive effects and increased fatigue.
A study by Marc Berman found that nature walks improved memory performance after a walk in nature, compared to an urban environment. Participants showed a 16 percent increase in attention and working memory, but no significant improvement in depressive mood.
Research by UTSA College of Business professor Kristina Durante reveals that women's perceptions of men as potential fathers are influenced by hormonal fluctuations during ovulation. Women tend to overestimate the domestic contributions of sexy cads and underestimate those of reliable dads.
Researchers found that street furniture, public spaces, and architecture can both fuel and mitigate tensions between different social groups. Dr Ralf Brand identified urban features that contribute to community divisions, as well as those that promote positive interactions.
Kondziolka et al. introduce World Science, an interactive knowledge network that simplifies authoring, editing, reviewing, and publishing scientific literature. This platform enables users to engage with papers through intuitive tools, facilitating the sharing of scientific information worldwide.
Obesity affects 62% of Canadian adults, with a significant economic burden and increased risk of related diseases. The 5A model provides an effective approach to counselling patients, combining assess/ask, advise, agree, assist, and arrange steps for successful weight loss and maintenance.
Research found that moderate fitness levels can lower hypertension risk by 34% for those with a parent's high blood pressure, while highly fit individuals have a 70% lower risk. The study of over 6,000 participants suggests that even realistic exercise can provide significant health benefits.
A new study from the Regenstrief Institute and Indiana University has found that individuals with dementia are more likely to die at home rather than in a nursing home. The majority of care for those with dementia is provided in the community by families, contradicting previous assumptions.
Researchers identify DNA methylation profiles as potential biomarkers for detecting prostate cancer months earlier than current methods. The discovery also predicts recurrence risk and identifies genes that can be targeted with new drugs.
A new study found that baby bottles accounted for 66% of injuries, followed by pacifiers at 20%, and sippy cups at 14%. The study suggests that children should be transitioned to regular cups at 12 months old and pacifier use limited after six months
Researchers have discovered that children's brain tumors preserve characteristics of the normal cells from which they originate, offering new hope for effective treatments. The study found that tumour malignancy is linked to cellular origin and time of tumour development, improving prospects for targeted therapies.
Clemson University researcher Julia Frugoli has been awarded a nearly $600,000 four-year grant to study how plant roots communicate with each other to control growth. This research could lead to nitrogen-free farming methods that increase food supply and benefit agricultural production.
Anthropologists have uncovered the earliest form of wall art, a 1.5-ton block of engraved limestone found in Abri Castanet, southern France. The piece is approximately 37,000 years old and provides evidence of the role art played in the daily lives of Early Aurignacian humans.
Scientists have made a significant breakthrough in understanding the cause of bile duct cancer by identifying several new genes frequently mutated in the disease. The research team discovered mutations in 187 genes using state-of-the-art DNA sequencing, shedding light on the molecular mechanisms of the disease.
Researchers identify Sh1 gene as key control point for seed shattering in sorghum, finding parallel selection across multiple cereals. The study provides insights into the domestication process of crops like rice and maize, with implications for breeding and increasing crop yields.
Researchers at Berkeley Lab have demonstrated unique new materials for innovative electronic and magnetic applications. Bismuth selenide's surface electrons flow at room temperature, making it an attractive candidate for spintronics devices and quantum computers. The material's low electron-phonon coupling also underlines its practical...
Researchers sequenced foxtail millet's genome to guide assembly of switchgrass genome, a perennial grass with multiple chromosome copies. The compact genome offers advantages for studying adaptation and developing genetic tools.
A new study suggests that religious belief serves to enhance self-control, a crucial cognitive process for fostering valuable social behaviors. The research, published in Psychological Science, found that priming volunteers with religious thoughts improved their discipline and ability to delay gratification.
A small clinical trial suggests that acupuncture improves dyspnea and health-related quality of life in patients with chronic obstructive pulmonary disease. After 12 weeks of treatment, the Borg scale score improved from 5.5 to 1.9 in the real acupuncture group.
Deep cracks in soil can remain open underground even after they have visibly sealed on the surface, a new study has found. This persistence of cracks affects the flow of water and nutrients through the soil, leading to reduced crop productivity.
A Rutgers University study found that young children of unmarried parents who receive court-mandated financial support from their fathers exhibit more aggressive behavior. In contrast, children whose fathers provide informal support without court orders have increased cognitive skills and verbal abilities. Researchers suggest that pate...
Scientists have discovered the first record of insect pollination from 100 million years ago, found in amber from Northern Spain. The discovery reveals a new genus of thrips with highly specialized hairs to collect pollen grains, similar to those of bees.
A national phase II clinical trial will examine the effects of resveratrol on individuals with mild to moderate dementia due to Alzheimer's disease. The study aims to delay or alter memory deterioration and daily functioning in people with the condition.
Researchers have designed and tested molecules that can block or enhance aspects of the immune system's activity, offering a potential new treatment for inflammatory diseases. The breakthrough, published in Journal of Medicinal Chemistry, uses a novel optimization-based approach to design peptides with unprecedented potency and precision.
The Dip Chip technology uses genetically modified microbes to detect toxicity in real time, providing a quick and accurate diagnosis. The device can identify overall toxicity levels, picking up on any toxic materials, including those that have not been discovered yet.
The study used a non-invasive technique to observe and measure changes in the embryo's brain activity, revealing that circuits capable of monitoring surroundings develop early in fetal development. This breakthrough may help understand human brain development and complex learning processes in fetuses and newborns.
A study found that male robins care for their young more when the eggs laid by their mate are brighter blue. The researchers replaced artificial eggs with baby robins in nests to test this theory, and results showed males feeding their babies twice as much when eggs were brightest blue.
A study by economist Richard Easterlin reveals that Chinese people are less happy overall than they were two decades ago, despite unprecedented economic growth. Life satisfaction among the poorest Chinese has fallen dramatically, reflecting rising unemployment and deteriorating social safety nets.
Researchers at Ohio State University found that tilting cars on the assembly line can reduce autoworker strain, improving safety and efficiency. The study compares two methods: a cantilevered chair and a car carriage system, with the latter proving more effective in reducing stress for nine different tasks.
Research at Hebrew University and US researchers found a direct correlation between maternal overweight and increased tendencies towards adult child overweight, high blood pressure, and excess sugar and fat levels. This suggests that avoiding weight gain during adulthood may reduce these risk factors.
A new retinal prosthesis uses tiny solar-panel-like cells and near-infrared light to stimulate photoreceptor cells and activate neurons in the retina. This device aims to help people suffering from retinal degenerative diseases such as age-related macular degeneration and retinitis pigmentosa.
A DNA replication protein called Cdt1 is involved in both DNA replication and mitosis, a later step of the cell cycle. This discovery provides a possible explanation for why many cancers have genomic instability and an abnormal number of chromosomes.
Researchers discovered that alpha 2 delta determines calcium channel presence at synapses, controlling neurotransmitter release. The study found that increasing or decreasing alpha 2 delta levels can triple or reduce the number of channels.
A team of physicists has developed a new design for nano-billiards that eliminates the effect of small bumps on electron paths, enabling more predictable electronic devices. By removing impurities and defects, researchers have created stable billiard tables at the nanoscale, paving the way for improved nanoscale electronics.
Researchers in Sheffield have mapped a possible expansion of the city's district heating network, which could reduce CO2 emissions by 80,000 tonnes annually. The system, powered by waste and steel plant heat, provides low-cost heating to over 140 public buildings and 3,000 homes.
A study by the University of Edinburgh finds that 360,000 tonnes of milk wasted in the UK each year results in greenhouse gas emissions equivalent to 100,000 tonnes of CO2, comparable to 20,000 cars annually. Researchers suggest reducing food consumption and waste, as well as improving fertiliser efficiency, can help curb emissions.
Scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. The generator produces enough current to operate a small liquid-crystal display, and the milestone could lead to tiny devices harnessing energy from everyday tasks.
A new study published in Critical Care found that women are more likely to suffer from post-traumatic stress after leaving an ICU, but a follow-up scheme has been shown to significantly reduce their symptoms. The study suggests that early intervention is crucial for women at high risk of PTSD.
Researchers at Salk Institute and Iowa State University identified three plant proteins involved in regulating fatty acid production. The discovery may lead to improved crop yields and higher quality oils for food, nutrition, biorenewable chemicals, and biofuels.
A Yale University study found that most Americans are willing to pay a premium for electricity in support of a national clean-energy standard. The average U.S. citizen is willing to pay $162 per year in higher electricity bills to support an 80% clean energy goal by 2035, but support varies among different demographics.
A new study reveals that the amount of greenhouse gas released when a forest is cleared depends on how the trees are used and where they're grown. Carbon stored in temperate forests is more likely to remain intact, while tropical forests have nearly all their carbon released into the atmosphere.
Duke University researchers create a mathematical formulation to unlock the data stored in a database of potential TI ingredients, providing specific recipes for searching for TIs with desired properties. This breakthrough enables efficient alloys creation and discovery of new classes of systems.
The BGI has completed the genome sequence of foxtail millet, a crop with significant potential for improving yield and stress tolerance. The study provides valuable resources for genetic improvement and functional gene studies at a genome-wide level.
Researchers use molecular signatures to detect mutated virus strains, identifying characteristic changes in cells. The technique helps predict the severity of infection and assess potential impact on health.
Researchers at the University of Pennsylvania discovered a mechanism involving dopamine that switches fruit fly behavior from diurnal to nocturnal, parallelled by human sundown syndrome. The team found that increased night-time activity is associated with elevated dopamine signaling in flies.
A new study reveals that juvenile steelhead trout are more likely to die when water levels are low in California's wine country. The researchers found that the amount of vineyard acreage upstream is linked to higher death rates, with only 30% survival rate in dry summer seasons.
A $50 million gift from Oracle chairman Jeff Henley will fund collaboration and scientific research at UCSB's IEE and College of Engineering. The donation supports innovations in energy-efficient technologies, including LED lighting and solar cells.
Male Alpine chamois with heterozygous immune genes survive longer than those with identical copies, particularly in areas affected by scabies. This sex-specific fitness benefit may be due to the enhanced immunity conferred by different immune gene variants.
Researchers have found a genetic mutation in Scandinavian barley varieties that disrupts the circadian clock, allowing them to flower earlier than southern counterparts. This adaptation enables crops to thrive in regions with short growing seasons, providing new tools for breeding and developing more resilient crops.
Scientists at Brookhaven National Laboratory have developed a new electrocatalyst that efficiently generates hydrogen gas from water without using platinum. The novel nickel-molybdenum-nitride nanosheet catalyst outperforms traditional non-noble metal compounds and has the potential to unlock sustainable energy alternatives.
Northwestern University researchers have received two Grand Challenges Explorations grants to develop new compounds for malaria treatment and biosensors for low-cost diagnoses. The projects aim to improve the health of people in developing countries using synthetic biology techniques.
Researchers used LIDAR technology to track the volcanic ash cloud's movement and composition, revealing a mix of fine and thick particles. The study aimed to improve air navigation safety and provide valuable data for crisis management.
Scientists at University of Wisconsin-Madison and Iowa State University have discovered a new nanometer-scale atomic structure in solid metallic materials known as metallic glasses. The findings provide insight into the properties of these materials, including ductility and formability.
A new program will coordinate regional systems to reduce time from heart attack to treatment, building on the successful Mission: Lifeline program. The Regional Systems of Care Demonstration Project aims to develop coordinated, regional systems of care that start at the 911 call and include ambulance transport and hospital treatment.