A recent study finds that older mothers are at higher risk of having a child with an autism spectrum disorder (ASD), particularly when combined with intellectual disability. The risk is lower for fathers, who experience a more gradual increase in ASD risk as their age advances.
A study published in JAMA found that conservative management of brain arteriovenous malformations (abnormal connections between arteries and veins) was associated with lower rates of stroke and death compared to interventional treatment. The study followed 204 patients for up to 12 years, finding a significant reduction in nonfatal str...
A new prediction tool can help doctors identify patients at highest risk for respiratory failure after surgery, allowing them to take measures to prevent the condition. The tool uses nine predictors to determine a patient's risk level, enabling doctors to assign risk levels and use preventive measures more effectively.
Recent Minnesota projects demonstrate how communities can protect themselves from worsening storms through practical and affordable plans. The programs show that portions of existing drainage systems are already undersized, but significant portions should be adequate for even pessimistic mid-21st century projections.
A new study by Yale University and UC Davis researchers found that hysteroscopic sterilization is more than 10 times more likely to result in pregnancy over a 10-year period compared to laparoscopic sterilization. The study highlights the need for informed decision-making among women considering sterilization.
Researchers at the University of Toronto found a strong link between rapid-eye-movement sleep behavior disorder and neurodegenerative brain diseases. Up to 90% of people with RBD will develop a brain disease, making it an important warning sign for clinicians.
Researchers at VCU Massey Cancer Center have identified a critical protein called Noxa, which helps regulate the function of MCL-1 and makes cancer cells more sensitive to ABT-737. This breakthrough may lead to improved therapies for small cell lung cancer, overcoming resistance to conventional chemotherapies.
Researchers at Plymouth University will use drug and gene therapies to test whether altering mitochondrial fission or fusion improves dopamine-producing nerve cells in experimental models of Parkinson's Disease. The goal is to identify a potential new therapeutic strategy for this brain disorder, potentially slowing disease progress an...
The EORTC and SIOG have updated their expert opinion on NSCLC management in elderly patients, highlighting the need for personalized treatment decisions based on life expectancy and biological age. Multidisciplinary geriatric assessments can improve treatment outcomes for this population.
Researchers found that Cooperative Extension is a vital hub for community development efforts, providing resources and services to underserved communities. By partnering with local organizations and experts, Extension aims to address specific concerns and empower residents to influence their neighborhoods.
A study published in Psychological Science suggests that speed-reading apps, which eliminate eye movements, can impair reading comprehension. The researchers found that readers who are unable to make 'regressions' during reading have impaired comprehension levels.
Researchers have engineered a series of molecules with the potential to treat most neurodegenerative diseases, including Alzheimer's, Parkinson's, and Huntington's. The GAIM-changing molecules recognize characteristic common to many toxic misfolded proteins and can prevent new aggregates from forming while clearing existing ones.
A Cornell study published in Eating Behaviors found that children aged 6-10 who ate whole foods like drumsticks and apples were twice as likely to disobey adults and exhibit aggressive behavior compared to those eating cut-up foods. The researchers suggest cutting food can help reduce rowdy behavior at mealtime.
A Concordia University study found that consumers are more likely to buy eco-friendly products if they predict their own sustainable shopping behavior and feel observed. The study also discovered that this effect is stronger for individuals who define themselves based on social ties and peer opinions.
Researchers found that bariatric surgery increases levels of bile acids in the blood, improving glucose metabolism and weight loss. The study suggests a new target for treating obesity and diabetes, offering a potential future therapeutic approach.
Researchers used functional near infra-red spectroscopy to track infant brain development and cognitive function in Africa. The study found similar responses in African and Western infants, enabling the use of a new technique to monitor brain activity from birth.
The book explores the major challenges of wireless sensor and robot networks, including controlled mobility, energy efficiency, and coordination. These challenges affect various applications, such as fleet operations, sensor networks, and fully cooperative systems.
The article provides evidence-based information on the latest treatments for multiple sclerosis, highlighting the benefits and risks of various therapies. Steroids are found to be the most effective way to treat relapses, while immunosuppressants like natalizumab and fingolimod have varying degrees of success.
A specialized ambulance equipped with a CT scanner, laboratory, and telemedicine connection was shown to reduce treatment time for ischemic stroke patients. The study found that the average alarm-to-treatment time decreased by 25 minutes, and the rate of thrombolysis increased from 21% to 33%.
Researchers at Cedars-Sinai Medical Center will conduct a Phase II clinical trial to evaluate the safety and efficacy of 3K3A-APC, an experimental drug combining with rtPA to treat ischemic strokes. The study aims to reduce risks and improve outcomes for stroke patients.
Two new studies release promising results for migraine prevention, with one study showing a 66% decrease in migraine days and another demonstrating a 63% reduction. The new treatments target calcitonin gene-related peptide (CGRP), a protein thought to be involved in migraine, and are considered safe and well-tolerated.
Researchers at the University of Bristol have identified a key brain pathway linking emotional behavior to survival circuits, revealing potential therapeutic targets for anxiety and phobias. The study highlights the cerebellum's role in fear response and suggests its involvement in managing dysregulated emotional states.
A national survey found that 69% of U.S. adults support requiring coverage of birth control medications in health plans, with women, blacks, and Hispanics more likely to agree. The majority also support other medical services like mammograms and vaccinations.
A recent study found that 32% of adult Canadians have experienced child abuse, with physical abuse being the most common. The study highlights a strong association between child abuse and mental health issues, including suicidal ideation and attempts.
Researchers found that people are 7% better at finding targets in the upper half of the screen compared to the lower half. This discovery could improve safety-related technologies like traffic signs and website user interfaces.
The Association for Molecular Pathology (AMP) released a report recommending a molecular diagnostics curriculum for medical laboratory scientists, balancing accreditation, certification, and job market needs. The recommendations aim to prepare future scientists for high-complexity testing and support the growth of genomic technology.
Researchers found that false-positive mammograms have a temporary and limited impact on women's overall health and well-being. The study also showed that women who experience a false positive may actually be more likely to use breast cancer screening in the future.
Scientists have developed a solid-state vacuum ultraviolet lamp that emits high-energy UV light at the shortest wavelengths ever recorded. This breakthrough promises smaller, safer, and longer-lasting lamps for sterilizing medical devices and cleaning semiconductor substrates.
Researchers identified genes whose activity changed uniquely in modern humans during evolution, including those linked to Alzheimer's disease, autism, and schizophrenia. Epigenetic changes in the brain and immune systems distinguished us from Neanderthals and Denisovans.
Researchers have developed an analytical approximation to study SQUID dynamics, enabling faster computation and evaluation of sensitivity in magnetometers. The technique, used for low-noise amplifiers and antennas, reduces simulation time to practically zero.
Researchers found that pain from inflammation reduces sexual motivation in female mice, but has no effect on male mice. Female mice spend less time with a partner and exhibit reduced sexual behavior when in pain.
A recent study published in Neural Regeneration Research found that atorvastatin, a commonly used lipid-lowering drug, protects against cerebral ischemia/reperfusion injury through anti-inflammatory and antioxidant effects. The study, led by Dr. Qiuyun Tu and colleagues, showed that atorvastatin reduces inflammation and oxidative stres...
Researchers at TSRI identified a critical protein complex, RGS7, that regulates memory formation by modulating GABA signaling. Mice lacking RGS7 exhibited deficits in learning and memory, highlighting the complex's importance in cognitive function.
Researchers analyzed the mountain pine beetle's genome and identified potential genetic markers that enable its rapid habitat range expansion. The study found that the beetles can adjust their cellular functions to withstand cooler climates, facilitating a larger geographic dispersal area.
A recent study has identified 80 unique antibiotic resistance genes in cow manure, including a new family of chloramphenicol-resistant genes. These genes have the potential to transfer to bacteria in soil and food, posing a risk for human health if they colonize harmful bacteria.
Researchers used CT angiography to assess coronary artery plaque volume index (PVI) in asymptomatic diabetic patients. PVI was related to age, BMI, and duration of diabetes, highlighting the importance of obesity as a modifiable risk factor.
Tropical Cyclone Jack weakened significantly after two observations by NASA's TRMM satellite on April 21, with maximum sustained winds dropping from 90 knots to 30 knots. Rainfall rates reached up to 197 mm/hr, indicating a powerful storm before its final weakening.
Researchers at Harvard's Wyss Institute have successfully created DNA nanodevices that can survive the body's immune defenses long enough to perform diagnostic or therapeutic tasks. The devices use a virus-like cloaking strategy to evade the immune system and deliver drugs directly to diseased tissues.
A recent study examines streamwater chemistry along a 32-tributary stream network in New Hampshire, finding that factors like slope and nutrient levels significantly influence water quality. The research provides high-resolution data for monitoring and managing aquatic ecosystems.
Joslin Medalists with type 1 diabetes for 50+ years have higher levels of endothelial progenitor cells (EPCs) and circulating progenitor cells (CPCs), associated with lower cardiovascular and kidney disease. These findings suggest that measuring CPC levels may help identify people at risk for complications.
Researchers found that effective communication involves both signalers and receivers, with groups of males called leks increasing accuracy for females. Investing in ecological structures showed a weak improvement in signaling ability, while using non-food items reduced accuracy.
A randomized trial involving 273 pediatric patients with convulsive status epilepticus found that lorazepam was not more effective than diazepam in stopping seizures, but did cause more sedation. The study suggests that diazepam remains a suitable first-line treatment for pediatric status epilepticus.
Researchers found that maternal trauma, illness, or substance abuse activates a single gene in brain cells, leading to structural abnormalities and neuropsychiatric disorders. The study suggests that even minor environmental insults can permanently change how brain cells respond.
A team from the University of Pennsylvania used a computer-assisted approach to identify and rank candidate clock components, leading to the discovery of a new core clock gene named CHRONO. CHRONO physically interacts with known clock proteins and modulates daily rhythms in cells.
Researchers develop composite material with improved impact resistance and toughness inspired by mantis shrimp's club, which accelerates underwater faster than a 22-caliber bullet. The new design structure shows less external damage and increased residual strength after impact compared to standard aerospace materials.
Researchers will investigate how extreme rain events affect the transport of dissolved organic matter through the Connecticut River watershed, potentially impacting water quality and mercury inputs. The study aims to test a new conceptual framework for drainage networks and understand regional-scale dynamics of river systems.
A new software tool, Phevor, has been developed to identify disease-causing gene mutations in undiagnosed illnesses by analyzing exomes of individual patients and small families. The tool has successfully identified diseases with unknown gene mutations in three separate cases.
Researchers developed a new optical microscopy technique to analyze the redox state of mitochondria in living tissue. The study revealed that severance of an axon results in a wave of oxidation of the mitochondria, which begins at the site of damage and is propagated along the fiber.
Dr. Carol D. Berkowitz receives 2014 Ray E. Helfer Award for her work on detecting child abuse and neglect, with a focus on improving healthcare system protection for children.
A study funded by the NIH found that acetazolamide can help preserve and restore vision for women with IIH, when combined with a moderate weight loss plan. The trial involved 161 participants who experienced improved visual field tests, optic nerve swelling reduction, and greater improvements in daily function and quality of life.
A new study suggests that low testosterone exposure in the womb may influence male susceptibility to serious health conditions like obesity and heart disease. Researchers found that reduced testosterone levels in fetal testes can impair Leydig cell function, leading to lifelong health consequences.
A new paper from Rice University's Baker Institute calls for revised patenting guidelines to address the broad patent landscape in biotechnology. The authors suggest initial steps to reform patent licensing and require detailed patent descriptions to prevent costly lawsuits.
Beaumont researchers will investigate a stem cell-based technique to redirect cells to heal injuries without removing them from the patient's body. The goal is to develop new treatments for osteoarthritis and Achilles tendon ruptures.
Acupuncture at Waiguan inhibited Brodmann area 5 on the healthy side of stroke patients, indicating a possible association with a central mechanism for improved outcomes. This study suggests that acupuncture at specific points can have therapeutic effects on brain function in patients with ischemic stroke.
A team of astronomers has developed a viable model for the planetary system orbiting the star 55 Cancri, solving long-standing mysteries about the masses and orbits of its two giant planets. The study reveals that their particular masses and orbits are preventing the system from self-destructing anytime soon.
Research shows that high school friends are the most likely to be unfriended on Facebook, often due to polarizing comments or frequent uninteresting posts. The studies also found that being close friends at one point in time can intensify emotional responses to unfriending.
Researchers estimate that a small village has only 40 members, making it highly vulnerable to extinction. Remote surveillance using satellite images can track the tribe's demographic health and movements without disrupting their lives.
A new amplifier design for mobile phone masts has been developed, achieving 50% efficiency compared to the current 30%. This could lead to a massive 200MW reduction in load on UK power stations and a corresponding decrease in CO2 emissions. The project aims to make a valuable contribution to meeting the UK's carbon reduction targets.
Researchers have processed NASA UV-B radiation data to study its influence on organisms. The dataset provides six variables, including annual averages and seasonal patterns, to help scientists analyze the effects of UV-B radiation on animal and plant species.
A study has found that genetic loss of Ron receptor and its growth factor HGFL leads to aggressive inflammation and damage to the colon in models with IBD. The research suggests these genes may reduce their function due to SNPs, leading to chronic intestinal inflammation.
Researchers at Carnegie Mellon University have developed Kinetica, a visualization approach that allows users to explore complex data using natural gestures on the iPad. The system converts tabular data into colored spheres, enabling users to sort, filter, and manipulate data points with ease.
Scientists at Helmholtz-Zentrum Dresden-Rossendorf and Vienna University of Technology created ultra-thin membranes that allow highly charged ions to pass through with little energy loss. This discovery has significant implications for developing novel electronic components made of graphene.
Rice University scientists have created a nanoscale detector that checks for and reports on the presence of hydrogen sulfide in crude oil and natural gas while they're still in the ground. The detection method is sensitive enough to detect low concentrations, making it an important tool for improving safety and efficiency in oil fields.
Using mouse models, researchers identified a protein that regulates alternative splicing and affects heart contraction and function during postnatal development. CELF1 protein plays a crucial role in regulating certain alternative splicing events, which are associated with endocytosis and vesicular trafficking.
A new data-based model accurately estimates hemoglobin A1c using self-monitored blood glucose readings, providing real-time glycemic control monitoring. This allows for increased individual motivation to improve diabetes management, as patients can track their progress more easily.
Researchers found that Partnering for Health Services, a clinic in Pennsylvania, saved $201,414 annually by lowering emergency room visits and admissions. The clinic's model also showed improved patient outcomes due to more frequent care visits.
A study found that 76.2% of older adults prefer administration of clot-dissolving medications in case of a stroke, supporting the use of this treatment when surrogate consent is not available. Lower education and poorer health were associated with refusal of thrombolysis.
A study of nearly 4,000 college students in 19 countries found that neurotics have unfavorable attitudes towards action and favorable attitudes towards inaction. This association is primarily driven by anxiety, and collectivistic tendencies may also play a role.
Researchers at NREL have discovered a new solar material, perovskite, that can generate electricity more efficiently than previous materials. The material has a unique ability to diffuse photons a long distance, making it suitable for low-cost and high-efficiency devices.
Researchers are designing ultrathin solar cells with photovoltaic nanostructures to increase efficiency and reduce material costs. These nanostructures behave like a molecular hall of mirrors to trap photons inside the cells.
Researchers at Berkeley Lab have developed a novel method to study the membranes of living cells by using size-based chromatography. This approach allows them to probe supramolecular structures in cell membranes at the nanometer length scales, providing insights into how spatial organization affects cellular function.
The report highlights the importance of sharing prescription monitoring data with third-party payers to detect inappropriate prescribing and dispensing, ultimately reducing opioid abuse and deaths. The recommendations aim to enhance insurer capabilities in monitoring prescribing patterns and improving patient safety.
Researchers created a new ultracapacitor by combining graphene flakes with single-walled carbon nanotubes, resulting in three times higher specific capacitance. The hybrid structure's low costs and small size make it suitable for portable electronics and hybrid electric vehicles.
The human immune system uses enzymes like ADAR1 to modify viral genetic information, rendering it useless for new virus particles. The study reveals how the cell protects itself from accidental import of viral RNA into the nucleus.
Researchers from Inserm and the Institut Pasteur have identified a new variant of the Ebola virus in Guinea. The virus is highly contagious and has a high mortality rate, with symptoms including fever, severe diarrhea, and vomiting. The discovery highlights the need for increased measures to prevent transmission from wild fauna to humans.
Researchers have identified a new mechanism by which ghrelin works to limit depression, as well as a potentially powerful neuroprotective drug called P7C3 that may provide greater anti-depressant effects.
Researchers identified a link between fetal growth and the risk of stillbirth, finding that fetuses with restricted or excessive growth had a higher risk. The study suggests that obstetricians should focus on identifying fetuses at the extremes of growth for prevention strategies.
The PETA science consortium will present a tiered-testing strategy for assessing nanomaterial hazards at the 7th International Nanotoxicology Congress. The proposed strategy involves multiple in silico and in vitro model systems, data sharing through web-based tools, and is cost-effective while reducing animal use.
A Mayo Clinic-led study found nine independent risk factors for acute respiratory distress syndrome in surgical patients, including sepsis and high-risk cardiac surgery. The findings may lead to better identification of high-risk patients before surgery and inform changes in care to prevent the condition.
Researchers at the University of Kentucky have discovered methods to build heat-resistant RNA nanostructures and arrays, showcasing its potential as a stable alternative to conventional polymers. The breakthrough offers new possibilities for controlling RNA nanoparticles for therapeutic applications.
Researchers at UMass Amherst and INPA discovered a new genus and species of electric knifefish in the Negro River, revealing unique features such as electric organs and distinct pulse patterns. The discovery is expected to contribute to a better understanding of Amazonian biodiversity and its adaptations.
Researchers at the University of Calgary have found a way to promote growth in damaged nerve cells by inactivating protein Rb, which normally acts as a brake on nerve growth. This discovery has the potential to treat conditions such as peripheral nerve disorders, including diabetic neuropathy and multiple sclerosis.
A study published in JAMA Network found that the medication acetazolamide, combined with a low-sodium weight-reduction diet, improved vision in patients with idiopathic intracranial hypertension. The treatment resulted in modest improvement in visual loss compared to a placebo.
A QUT physicist demonstrated that a siphon operates through gravity, not atmospheric pressure. The experiment involved a hypobaric chamber and showed that water flow remained constant despite changes in atmospheric pressure.
Scientists at Johns Hopkins Medicine have found a way to block abnormal cholesterol production, transport and breakdown, preventing the development of atherosclerosis in mice and rabbits. The treatment, using an existing compound called D-PDMP, successfully prevented the formation of fatty plaque and calcium deposits inside blood vessels.
The NeuroPace RNS System uses responsive stimulation to suppress seizures before they begin, reducing seizure frequency by up to 50%. The device is surgically placed and coupled with a unique electrode placement planning system that facilitates precise targeting of the seizure focus.
Researchers have sequenced the rainbow trout genome, revealing that roughly half of protein coding genes have been deleted since a genetic doubling event 100 million years ago. The study also shows retention of microRNA genes and original genes involved in embryonic development.
A quality improvement initiative improved treatment times and reduced complications for over 71,000 stroke patients treated with tissue plasminogen activator (tPA), resulting in lower in-hospital deaths and intracranial hemorrhages.
A study published in PLOS Medicine found that stillbirth may be linked to both underweight and overweight fetuses. The research used a new approach to estimate gestational age and identified abnormal fetal growth in 25% of stillbirths, with those born small for gestational age facing a 3- to 4-fold increased risk of stillbirth.
A new study suggests that US policymakers should incentivize pharmaceutical companies and device makers to develop products with more value. The aim is to reduce healthcare spending while preserving health benefits, potentially through novel approaches such as increased creativity and risk-taking in scientific research and development.
A new study of 36 species found that brain volume – not body size – is the key to self-restraint. Animals with varied diets showed superior cognitive powers, while those with larger brains were more likely to inhibit counter-productive behavior.
Researchers analyzed breeding bird surveys for 40 songbird species over 35 years and found they shifted either northward or to higher elevation in response to climate change. This suggests previous studies may have underestimated the effects of environmental warming by only looking at one factor.
A new analysis of cougar teeth found significant variation in dietary habits among the species, suggesting a more generalized approach that allowed them to survive the Pleistocene mass extinction. This contrasts with the more finicky diets of extinct cousins like saber-tooth cats and American lions.
Hospitals participating in UCLA's Target: Stroke program have increased tPA administration speed, leading to improved patient outcomes, including reduced mortality and increased independence. The average time-to-treatment fell from 74 minutes to 59 minutes.
The US Department of Energy has recognized six exceptional scientists and engineers with the 2013 Ernest Orlando Lawrence Award for their contributions to research and development supporting energy, science, and national security missions. The award recipients have made significant advances in various scientific fields.