Adolescent cannabis use linked to impairments in working memory, inhibitory control, and cognitive function. Cannabis exposure also associated with schizophrenia-like effects and affective abnormalities.
A new study reveals that women undergoing fertility treatment are at a higher risk of peripartum cardiomyopathy (PPCM), a life-threatening condition. PPCM affects about one in 1,000 pregnant women worldwide and is characterized by an enlarged and weak heart, leading to symptoms such as shortness of breath and swelling.
A new University of Michigan study found that fall-related injuries are a leading cause of hospital readmissions among people 65 or older. Hospitals can improve patient recovery and mobility by emphasizing personalized fall prevention before discharge, especially for at-risk patients.
A new study from Rockefeller University reveals that the gut is organized into compartments with different immune system functions in each segment. This discovery has potential to improve drugs for gastrointestinal disorders and inform the development of oral vaccines.
Researchers found that shore crabs from mudflats closely match the appearance of the mud they live on, while those in rock pools rely on high-contrast patterns to break up their outline. This study contributes to understanding why shore crabs are so diverse.
Researchers develop a new algorithm using over 230,000 patient records to predict mortality risk and survival chances. The algorithm uses disease history from the past 23 years to make more accurate predictions than existing methods.
Research suggests both single neurons and large neural assemblies support spatial navigation; a potential link has been discovered between the two, with EEG oscillations potentially constituting the connection.
In a mouse model of atypical EAE, researchers found that dysregulated neutrophils cause damage and exhibit hyper-activated phenotypes, producing excessive reactive oxygen species. Neutralizing treatments reduced disease severity, highlighting the detrimental role of neutrophils in autoimmune neuroinflammation.
Researchers characterized Helicobacter pylori's genetic diversity in individual patients, showing adaptations to specific stomach regions and the impact of antibiotics on its population structure and resistance. The study suggests that antibiotics can select for resistant variants and shape the species' evolutionary dynamics.
A study found that biomarkers like midregional proadrenomedullin and bio-adrenomedullin can predict mortality risk in acute heart failure patients. Patients with these biomarker levels above the median had significantly lower survival if not receiving diuretics at discharge.
The Lancet journals present research on improving stroke outcomes, including effects of antiplatelet therapy and robotic training for upper limb rehabilitation. Papers also explore extending thrombolysis and stenting for symptomatic vertebral artery stenosis.
A study analyzing mortality risks among pro athletes found elevated risks of death from cardiac and neurodegenerative diseases in football players compared to baseball players. The research, published in JAMA Network Open, suggests the existence of sport-specific disease mechanisms that mandate further investigation.
A study of 41,399 children found socio-economic inequalities in BMI emerge by pre-school age and continue to widen as children age. Children from primary educated maternal backgrounds are more likely to be overweight or obese at any age compared to those from tertiary educated mothers.
Researchers at Tohoku University have developed a graphene electrocatalyst with improved hydrogen evolution reaction performance by adding nitrogen and phosphorus dopants around well-defined edges of graphene holes. This approach enhances the number of active sites for chemical reactions to occur, leading to better electrolysis outcomes.
Researchers found that limiting iron levels in saliva reduced the growth of Candida albicans, a common yeast causing illness in those with weakened immune systems. The treatment also altered gene expression and caused a two-fold reduction in the organism's survival rate.
A recent study has found that mites and ticks belong to the same evolutionary lineage, with over 42,000 mite species and 12,000 tick species described. This discovery expands our understanding of arthropod biodiversity and highlights the importance of genomic data in clarifying long-standing debates.
A new AI-powered system, Neural Lander, uses a deep neural network to help autonomous drones land more safely and quickly, while gobbling up less power. The system has been tested and achieved significant improvements in landing accuracy, with reductions of up to 100% in vertical error and 90% in lateral drift.
A new federal rule of evidence is proposed to educate juries on theories of false memory, producing more just verdicts. This rule would be particularly beneficial for child testimonies, where age-related factors play a significant role in memory.
Researchers at the University of Edinburgh have discovered a cell-wide web that transmits signals across tiny distances, allowing cells to rapidly rewire their communication networks. This discovery could lead to new insights into diseases such as pulmonary hypertension and cancer.
A study suggests sorting genetic information into categories to inform parents about potential health risks, weighing benefits against potential anxiety and legal implications. The method considers the prevalence and timing of disease development, aiming to provide actionable information while respecting patient autonomy.
Researchers used AI to evolve superconductors by optimizing defect structures, reducing losses and increasing efficiency. By mimicking natural selection, they created materials that can transmit electric current without resistance.
The Hubble Space Telescope has captured an image of the galaxy Messier 90, which is moving towards the Milky Way at a speed of approximately 60 million light-years. This rare phenomenon is known as blueshift, where the galaxy's light is compressed and shifted towards the blue end of the spectrum.
Researchers from the University of Minnesota Medical School discovered that large loops form between DNA sequences where a key protein Pax3 binds, and these loops are essential for the development of skeletal muscle. The study shows how 3D genome organization regulates cell differentiation in skeletal muscle formation.
Researchers successfully introduced carbon atoms into tungsten disulfide, creating an ambipolar semiconductor with bipolar effect. The technique enables the production of new components for energy-efficient devices with improved conductivity and catalytic activity.
A new Stanford study finds that companies claiming 100% renewable energy don't necessarily reduce carbon emissions by 100%. Hourly accounting methods show wind power produces more emissions reductions than solar power in California. The study highlights the need for hourly data to measure environmental benefits accurately.
A new study found that middle-aged individuals' health can predict their brain function later in life. Factors such as smoking, diabetes, and a history of head injury were associated with increased risk of brain aging.
Engagement in extracurricular activities, such as student clubs, enhances analytical skills, leading to improved academic performance and higher job success. The study reveals a positive correlation between involvement in research, creative activities, and critical thinking development.
Scientists from NUST MISIS developed a new strong Al-Ni-La composite material that combines flexibility, strength, and lightness. The material uses ultrafine structure to form a reinforcing structure, making it more efficient than traditional aluminum-based composites.
This study reveals complex deformation and metamorphism processes, melt/fluid interactions with crust-mantle rocks, and material circulation in subduction zones. Crust-mantle physical interactions control geometry, tectonic associations, and chemical interaction in orogen and mantle wedge.
A new nerve stimulation therapy may provide a new treatment option for the most common type of stroke. The study found that this active nerve cell cluster stimulation reduced patients' degree of disability three months after they suffered an acute cortical ischemic stroke.
Research in rats found high linoleic acid intake may harm pregnant women, increasing inflammation and disrupting hormone regulation. The study suggests reducing linoleic acid consumption during pregnancy may mitigate these risks.
Researchers discovered that ribosomes in human cells destroy healthy mRNAs, affecting protein production and regulating gene expression. This discovery may lead to a better understanding of gene misregulation in human diseases.
Researchers from Ireland and France used large radio telescopes and ultraviolet cameras to study the Sun's plasma, revealing its unstable nature and potential for harnessing clean energy. The discovery could pave the way for developing safe and efficient nuclear fusion reactors.
A study published in JNCI has identified hnRNP K as an oncogene that may cause B-cell lymphomas. The overexpression of this tumour suppressor gene was found to promote the development of cancer, leading to poor recovery and low survival rates for patients.
A recent study published in Conservation Biology found that Amazonian deforestation leads to reduced abundance and diversity of soil fauna and microbes. The research team also discovered that land use patterns after forest clearance impact soil biodiversity, with certain species more vulnerable to displacement than others.
Using paper stickers to collect pathogens is more effective and less expensive than swabbing for monitoring in food processing plants. Researchers found that stickers can trap both bacterial and dead pathogens, providing a record of contamination over several weeks.
Researchers are using novel experimental approaches to understand autism spectrum disorder, including studying networks of interacting genes and protein regulation. These studies aim to identify common molecular mechanisms underlying the disorder, which could lead to new treatments.
Researchers developed a device that uses ultraviolet light to measure stress biomarkers in bodily fluids, providing an easy-to-interpret result. The device can be used to monitor health and detect potential health problems, such as diabetes and high blood pressure.
A new study found that a mobile phone app designed for physically inactive women increased their daily physical activity and helped them sustain it over nine months. The app, combined with an activity tracker and personal counseling, provided motivational messages and interactive feedback, leading to short- and long-term fitness benefits.
A study of college students in Southern Appalachia found that food insecurity prevalence is significantly higher than the national average, with 30.5% of students experiencing it, compared to 12% nationally.
A new study found that infants at high risk for autism were less able to distinguish between familiar and unfamiliar speech patterns. The researchers suggest that interventions should begin during infancy for those at high risk.
Researchers elucidate genetic isolation mechanisms that prevent hybridization between maize and teosinte, enabling two distinct species to form. A specific gene cluster, Tcb1-s, plays a crucial role in this process.
Researchers at McMaster University have developed a novel form of computing using light patterns and materials that react intuitively to light. This new approach enables simple calculations such as addition and subtraction without the need for power sources.
The partnership aims to increase HPV vaccine uptake, which causes over 33,000 cancers annually. UVA will launch a multipronged campaign to educate healthcare workers and the public on the importance of HPV vaccination.
A new study conducted by Vanderbilt University found that bioimpedance spectroscopy (BIS) is more effective than traditional tape measures in assessing the risk of developing lymphedema after breast cancer surgery. The technology reduces rates of progression by approximately 10%, a clinically meaningful improvement.
A study by UCSF researchers found that high blood pressure and elevated blood sugar can cause heart block, a common form of arrhythmia. Lifestyle changes and monitoring could eliminate the need for pacemakers.
Researchers found US dentists prescribe 37 times more opioids than UK counterparts in 2016, a peak year in the US opioid crisis. The study emphasizes the importance of adopting national guidelines for treating dental pain and promoting judicious opioid prescribing among US dentists.
Researchers found that short-term opioid use intensifies feelings of pleasure while weakening negative emotions, shifting emotional responses towards the positive side. This effect is distinct from prolonged opioid use, which alters brain reward systems and diminishes sensitivity.
A new Duke University-led study reveals that marsh plants killed by disturbances like the Deepwater Horizon oil spill can double shoreline erosion rates. The loss of wetland vegetation increases erosion on wave-stressed shorelines by 100%, according to researchers.
Under hypoxic conditions, fewer metabolites are produced in the citric acid cycle, reducing bacterial reproduction in macrophages. This discovery provides a new method for pathogen control that doesn't rely on oxygen levels.
The mosquitofish is a highly invasive species that competes with native fish and moves them away from their habitats. Removing its population and improving water quality are key strategies to control its spread in ponds and lakes.
University of Washington researchers create a novel solution to reduce impact forces using origami-inspired metamaterials. The team's design softens impact forces by promoting relaxation stresses in the chain, reducing stress on rocket legs during landing.
A systematic review found CBT to be effective in improving the mental health of children with long-term physical conditions, such as inflammatory bowel disease, chronic pain, and epilepsy. The study also highlighted the importance of building supportive relationships and considering a range of needs in treatment plans.
Researchers found that buildup of lithium oxide and decomposition of electrolyte lead to rapid capacity fade in magnetite-based electrode material. The conversion reaction is not fully reversible, causing residual products to accumulate and block electron transport.
Researchers found that new neurons continue to form well into old age, including in people with cognitive impairment and Alzheimer's disease. The study provides evidence that neurogenesis may moderate the effects of brain pathology, suggesting potential therapeutic possibilities.
A research team at DGIST discovered that changes in hippo campal mossy cells play a crucial role in the treatment efficacy of serotoninergic antidepressants. This finding contributes to the development of next-generation antidepressants with enhanced effects and speed.
Researchers from the University of Bath have patented a technique that allows electrons to be accessed for applications including quantum computing, atom cooling, and precision measurements. The innovation uses gold nanoparticles to stabilize alkali metal vapors, enabling fast and reproducible control over the vapor density.
Research found that pregnant women with high glucose blood levels are at increased risk of their children developing obesity in childhood. The study followed over 40,000 pregnancies and found a 13% higher risk of obesity if blood glucose levels were elevated on the screening test.
Researchers found cancer stem cells can change surface markers in response to environmental stressors, making targeted therapies less effective. The study's findings could lead to more optimized treatments by understanding how tumor cells adapt to their microenvironment.
A 10-week interval training program improved body composition in older adults with belly fat, with participants losing nearly two pounds of fat mass and gaining lean body weight. The exercise program showed significant reductions in belly fat for men but not women, highlighting the need for further research.