A recent study found that higher maternal Choline levels during pregnancy can prevent fetal brain developmental problems caused by marijuana use. Infants exposed to prenatal marijuana had decreased cerebral nervous system inhibition and lower 'regulation' scores, leading to attention and social function problems later in life.
A study of Finns with their similar DNA identified 26 potentially harmful genetic variations relevant to cardiovascular and metabolic health. These variations are more common in Finland than elsewhere in Europe, making them a valuable resource for understanding disease risk.
A new approach from Harvard researchers uses a biomaterial scaffold and childhood vaccines to attract and activate T cells that promote revascularization of ischemic tissues. The technique increases the concentration of T cells at the ischemic site and stimulates angiogenesis, blood flow, and muscle fiber regeneration.
A new palliative care intervention at Children's National Hospital has shown success in helping families discuss potentially challenging medical decisions before a crisis occurs. The tool, which includes two evidence-based modules and caregiver needs assessments, aims to strike the right balance of relatability and knowledge for families.
Scientists have created a microneedle patch based on snake fangs that can deliver therapeutic liquids and vaccines through the skin of rodents in under 15 seconds. The device uses capillary action to bypass pumping systems, making it an attractive alternative for simple and pain-free drug delivery.
Researchers have used radiokrypton dating to analyze groundwater in the Negev desert, revealing two distinct sources of ancient water that date back 400,000 years. The study suggests that moisture was delivered from the Atlantic Ocean during cooler climates, providing a unique insight into the region's past hydro-climates.
Researchers confirm a 'hot Earth' exoplanet, GJ 357 b, and discover two additional worlds orbiting the same star, including one potentially habitable planet, GJ 357 d. The newly discovered planets are located in the habitable zone of their star, which receives about the same amount of stellar energy as Mars does from the Sun.
The incidence of colorectal cancer among younger adults in Canada has increased over the past few decades. The study found that men under 50 had an average annual percentage change of 3.47% and women under 50 had a 4.45% increase from 2006 to 2015.
A new study from University of Arizona researchers finds that walkability and traffic safety are crucial factors in determining how often people visit community greenspaces. Residents who live in areas with high levels of perceived traffic safety and surveillance are more likely to visit parks frequently, while those who travel by walk...
A recent study found that when mainstream brands use visual cues suggesting their products are environmentally friendly, consumers tend to perceive them as less effective and switch to more eco-friendly alternatives. The research involved a survey of over 500 consumers across the US, who were shown different product labels with varying...
Researchers from Kanazawa University have developed a three-state switchable chiral stationary phase that can be controlled using metal ions, enabling efficient separation of enantiomers. The phase's stability and separation performance were demonstrated over multiple cycles, opening new doors for drug discovery and other research areas.
The study confirms the importance of fish larvae produced in no-take zones for the health of fish populations within nearby fishing zones. The accuracy of the model was tested with field data, validating its predictions and providing valuable insights for reef managers.
Researchers at Worcester Polytechnic Institute developed a chip made of carbon nanotubes that captures circulating tumor cells (CTCs) with far greater sensitivity than existing technologies. The device can detect early-stage tumors, predict the course of a cancer, and monitor the effects of therapy.
A new study finds that patients with tinnitus and hyperacusis who had a history of parental mental illness in childhood are more likely to experience suicidal and self-harm ideations. Researchers recommend screening for these risks, especially in patients with depression.
Researchers have developed a delivery system that increases insulin secretion by mouse pancreatic cells and reduces blood glucose levels in diabetic mice. The system, based on natural components, delays the release of herbal extract under acidic conditions, leading to a significant reduction in blood glucose levels.
A phase-3 trial shows that combining rituximab with ibrutinib keeps patients disease-free for nearly three years and improves overall survival rates. The new treatment is more effective and better tolerated than traditional chemotherapy, revolutionizing the standard of care for chronic lymphocytic leukemia.
A large-scale analysis of over 200,000 individuals found no positive correlation between vaccinations and the development of multiple sclerosis. MS patients were statistically less likely to receive vaccinations before diagnosis than comparator groups.
Researchers predict that warmer winters in the Chesapeake Bay will lead to longer and more productive blue crab seasons. As water temperatures rise, blue crabs' overwinter survival is expected to increase by at least 20%, potentially extending their season year-round.
A recent study published in Neurology found that both low and high levels of hemoglobin are associated with an increased risk of developing dementia. The study involved over 12,000 participants and followed them for an average of 12 years, revealing a significant link between hemoglobin levels and dementia risk.
Researchers at Ohio State University found that people with loneliness and social anxiety are more likely to experience negative outcomes from using dating apps. They tend to compulsively use the apps, even in social situations, leading to missed classes, work trouble, or social anxiety.
Computer simulations reveal that creep deformation can modify material properties, altering the chances of certain events occurring within the material. The researchers also found patterns in intervals between deformation events conforming to Omori law.
A study of individuals over 65 years old found that low appendicular muscle mass significantly increased all-cause mortality risk nearly 63-fold in women and 11.4-fold in men. The researchers used DXA body composition analysis to determine the correlation between body composition factors and mortality risk.
A new study investigates the bioenergetics of sharks and rays, revealing how climate change affects their populations. The research suggests that these ocean giants will face compounding climate pressures, including warmer oceans and reduced prey availability.
Researchers found that 12.3% of Pennsylvania outdoor recreationists were substantially impacted by shale natural gas development activities, while 13.8% changed their plans or avoided certain areas due to perceived conflicts between SGD and parks. The study highlights the need for lawmakers, managers, and industry representatives to co...
Researchers developed a simulator mimicking human torso behavior to test new back brace designs without human testing. The rig allows for optimized constraint of specific motions while enabling other movements, potentially reducing discomfort and improving spine stability.
Researchers at Stanford University School of Medicine have discovered a new 'don't eat me' signal used by cancer cells to evade immune detection. Blocking this signal allows immune cells to attack and destroy cancer cells in mice implanted with human cancers, providing a potential basis for new anti-cancer therapies.
A University of Tsukuba-led study found that OX40-expressing follicular helper T cells control rheumatoid arthritis by promoting inflammation through autoantibody sialylation. The interaction between OX40 on T cells and OX40L on antibody-producing B cells led to reduced sialylation, increasing autoimmune inflammation.
Researchers have modified cotton fabric to emit a lemony citronella aroma when sweat comes into contact. The fragrance release strategy uses either an odorant-binding protein or liposomes, resulting in quick and controlled scent emission.
A new study by Indiana University researchers reveals that acid deposition causes plants to intensify their water use, leading to a decrease in soil water availability and increasing the risk of drought-related mortality. The mechanism works by washing out soil calcium, causing calcium deficiency in plants.
Researchers at Siberian Federal University and Royal Institute of Technology discover palladium diselenide, a promising material for more efficient solar cells. The material can absorb solar energy more efficiently than silicon-based materials, increasing the efficiency of solar cells.
NASA used satellite data to analyze Hurricane Erick's rainfall rates and cloud temperatures, revealing coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit. The heaviest rainfall was found near the northern eyewall of the storm's center, with rates exceeding 40 mm per hour.
A new DNA methylation test has been shown to accurately predict which cases of precancerous cervical disease will become more serious, helping women decide on treatment options. Most women with moderate dysplasia can be safely followed without surgery until their disease resolves.
Scientists have solved the X-ray crystal structure of an enzyme that produces a broad-spectrum antibiotic called obafluorin. This breakthrough provides a detailed molecular structure of the enzyme's three-dimensional space and sheds light on its mechanism, which could lead to the creation of new antibiotics with novel structural classes.
The University of Texas at San Antonio will develop a new interdisciplinary Center for Advanced Measurements in Extreme Environments (CAMEE) with a $3 million NASA grant. CAMEE will investigate extreme conditions such as ocean and polar warming, and study hypersonic speeds.
Researchers found that more than half of surgical errors were caused by human performance deficiencies, including cognitive biases and lack of attention. The study suggests that training medical staff to recognize cognitive pitfalls is crucial to preventing adverse outcomes.
Researchers at the University of Edinburgh used supercomputer calculations to study the growth and collapse of tiny bubbles, known as nanobubbles. The findings suggest that these bubbles can burst to release powerful jets of liquid, causing damage to industrial structures.
Current artificial leaves convert only 15% of inhaled CO2 into fuel and release 85%, while new bipolar membrane technology increases efficiency to 60-70%
Researchers at the University of Groningen elucidated the human ASCT2 structure, providing unprecedented insight into its workings and potential as a target for new anti-cancer drugs. The 'one-gate elevator' mechanism reveals a surprising similarity in release and catch mechanisms on either side of the cell membrane.
Scientists have discovered a crucial protective role of Polo-like kinase (PLK1) in guarding against severe DNA damage during cell division. PLK1 is essential for maintaining chromosome rigidity and preventing chromosome rearrangements that can lead to cancers.
A new Dutch study found that children of older parents tend to have fewer externalizing behavior problems, such as aggression, but not internalizing behaviors like anxiety and depression. The researchers analyzed data from over 32,000 Dutch children born after 1980.
Researchers found that baby spiders have the same number of photoreceptors as adults but packed differently to fit in a smaller space. This allows them to maintain high visual acuity and distinguish objects at a distance, even when they're small.
The Endocrine Society recommends regularly screening older adults for heart disease and diabetes risk, prioritizing lifestyle modification as the first-line therapy. Patients with at least three metabolic risk factors should be screened annually, while those with one or two risk factors should be screened every three years.
A new study by University of Würzburg researchers found that five out of 13 German grass species contain poisonous toxins produced by fungal endophytes. The risk of mass poisoning for grazing animals is low, but farmers are advised to increase pasture diversity and avoid monocultures, especially of perennial ryegrass.
Researchers discovered an association between liver function and Alzheimer's disease, finding evidence of metabolic disturbance and altered liver enzymes linked to cognitive impairment. The study used blood-based biochemical markers of liver function to uncover connections with established Alzheimer's biomarkers.
Researchers at UCI have developed a mouse model that allows for the study of human brain immune cells in unprecedented detail. The 'chimeric' mouse contains human microglia, enabling the investigation of Alzheimer's mechanisms and potential treatments.
A Rutgers-led team developed a groundbreaking procedure using a paramedian forehead flap to repair a patient's skull base after all other treatments failed. The innovative technique successfully closed the hole and prevented cerebrospinal fluid leak and meningitis.
Researchers found that enhanced medical rehabilitation, which incorporates motivation during therapy sessions, leads to a 25% improvement in functional recovery among patients. The approach focuses on specific goals important to individual patients, resulting in better outcomes.
Researchers found a significant association between vitamin A intake and reduced risk of cutaneous squamous cell cancer. The study followed nearly 125,000 health professionals for over 26 years.
A population-based study in Taiwan found hearing loss is associated with an increased risk of dementia, particularly among those aged 45-64. Coexisting conditions such as diabetes and cardiovascular disease also contributed to the dementia risk.
A NASA team has built a miniaturized aerosol-detecting instrument called MASTAR to measure airborne particles comprehensively. The instrument will be flown on a high-altitude balloon and later on a constellation of small CubeSats, providing global measurements that can help mitigate climate change and improve human health.
A longitudinal study of 3,756 U.S. medical students found that racism in medical school was associated with graduating students' decisions to provide care in high-need communities. Strategies such as service learning experiences and a curriculum focused on minority health can increase intention to practice in underserved areas.
Researchers at Johns Hopkins clarify ketamine's antidepressant properties, stating it binds to NMDA receptors rather than opioid receptors. This mechanism allows ketamine to turn off the master control switch mTOR, enabling its therapeutic effects. The FDA has approved ketamine as a nasal spray for depression treatment.
A new study found that many Indigenous North American youth experience depressive symptoms during adolescence, with risk factors including discrimination and early puberty. The study identified four developmental patterns of depressive symptoms, with nearly 33% of participants meeting criteria for alcohol-use disorder.
Researchers at Scripps Research Institute find that proteinaceous amino acids react more efficiently, leading to the formation of complex life forms. The study suggests a possible explanation for the selection of positively charged amino acids in proteins.
A new framework for software management was recognized for its potential impact on computation-based science, enabling the Ohio Supercomputer Center to efficiently install and test applications for a wide range of users. The framework leverages automated tools and continuous integration to streamline the process.
A recent study from the Rudd Center for Food Policy and Obesity found that weight stigma in men is associated with harmful health consequences, including depressive symptoms and dieting behaviors. Men who experienced or internalized weight stigma had higher rates of binge eating and lower self-rated health.
Researchers at Toyohashi University of Technology have successfully fabricated a binder-less tin phosphide/carbon composite film electrode for lithium-ion batteries via aerosol deposition. The electrode exhibits improved charging and discharging cycling stabilities, enabling advanced Li-ion batteries with higher capacity.
A team of FEFU scientists created software allowing industrial robots with technical vision to adjust movement trajectories in real-time without sacrificing precision. The new smart control method has improved accuracy by up to 0.5mm, a significant step towards overcoming current technology limitations.
Researchers have identified propranolol's molecular target for its ability to treat vascular diseases, including hemangiomas and hypotrichosis-lymphedema-telangiectasia. The study suggests that a specific component of the drug may be responsible for its therapeutic effects.
Researchers at Michigan State University studied four different hotspot analysis methods for Great Lakes waterbirds, finding that no single method produced consistent results. A combination of data-driven approaches may be the best way to inform conservation management decisions.