Research by Leonid Gavrilov and Natalia Gavrilova reveals that mortality rates do not flatten out above age 80, contrary to previous assumptions. The study uses accurate data from the Social Security Administration Death Master File to correct misunderstandings about the mortality rate of oldest citizens.
Researchers found that visual working memory follows a more general pattern of brain activity than previously thought, activating a wider area in the front of the brain for all types of visual stimuli. This study provides support for current models of memory as being located in distributed networks rather than specific brain modules.
A study found exemestane significantly worsens age-related decreases in bone mineral density by three times, even with adequate calcium and vitamin D intake.
A new study shows that the arrival of the Harlequin ladybird has led to a rapid decline in historically-widespread species of ladybird in Britain, Belgium, and Switzerland. The research found that five out of eight studied species declined substantially since the Harlequin's arrival.
A fossilized bushcricket from the Jurassic period has revealed a new species' musical call, shedding light on the acoustic environment and potential auditory capacity of other animals. The song was reconstructed using biomechanical principles and is believed to have been used for long-distance communication.
A new scientific report concludes that online dating offers some benefits but falls short of its potential. The authors suggest that existing matching algorithms neglect crucial factors in predicting long-term relationship well-being, leading to limited effectiveness.
A new analysis of research on online dating reveals its growing popularity and convenience, but warns of pitfalls such as unrealistic expectations and a 'shopping' mentality. The study found that online dating has become the second-most-common way for couples to meet, behind only meeting through friends.
A small tropical storm, Tropical Storm 11P, has formed in the South Pacific Ocean and is approaching the main island of Tonga. The storm has maximum sustained winds of 35 knots and is moving quickly to the east-southeast at 21 knots.
A study of nearly 9,000 Norwegian teenagers found that school drop-outs were three times more likely to receive benefits than their peers who completed their education. The findings suggest a strong link between poor health and higher rates of social exclusion in young adulthood.
A new web-based application, Pyromaker, has been developed to accurately identify complex genetic mutations. The tool uses simulated pyrograms to generate a virtual trace of the expected signal, allowing for clearer interpretation of ambiguous results from current testing methods.
Researchers at University of Pennsylvania uncover unifying mechanism to explain dune patterns in White Sands National Monument, revealing how wind interacts with dunes and impacts vegetation growth. The findings may hold implications for understanding tipping points in dune landscapes under climate change.
A new analysis found that targeted cancer drugs increase the risk of fatal side effects, including bleeding and heart attacks. The study recommends caution when using these drugs in patients at high risk for complications.
Researchers at Yale University have discovered a new gene mutation that provides hope for new screening methods to identify women at risk of developing endometriosis. The study found that 31% of women with endometriosis carried the mutation, compared to 5.8% of the general population.
Research by Sheila Collins and colleagues found that cardiac natriuretic peptides cause white fat cells to take on characteristics of brown fat cells, increasing energy usage. In another study, Anne Müller's team identified a cellular mechanism by which Helicobacter pylori protects against asthma by modulating immune cells.
A recent study published in the Journal of Bone and Joint Surgery found that women and some men with non-contact ACL injuries share a common geometry on their knee joints, which may explain why women are at greater risk for ACL injuries. The study suggests that this geometry, characterized by a shorter and more rounded tibial plateau, ...
Researchers found that autoreactive T cells from patients with multiple sclerosis and type 1 diabetes bound their targets more weakly than helpful T cells. These autoaggressive T cells may slip through safety screens by failing to notice their targets, suggesting a new mechanism for autoimmune disease progression.
A widely used behavioral prevention model in schools appears to reduce bullying and peer rejection. The School-wide Positive Behavioral Interventions and Supports (SWPBIS) model promotes positive changes in staff and student behaviors, reducing the likelihood of engaging in bullying behavior.
Researchers used 3D computer simulations to study the diffusional behavior of nanoparticles on surfaces. They found that ordered nanorods can facilitate faster diffusion than disordered ones, with channels between rods enabling particles to speed through.
A new metabolic 'breathalyzer' technology can detect early signs of disease by analyzing changes in glucose metabolism, offering a potential breakthrough in disease diagnosis. The method uses isotopic signatures of carbon-containing metabolic byproducts to distinguish between healthy and diseased states.
A new study suggests that Neanderthal demise was caused by a combination of cultural changes, interactions with modern human ancestors, and climatic forces. Computer modeling shows how the two groups interacted and mated, leading to hybridization and the eventual extinction of one group.
A recent study finds that Easterners process visual information holistically, taking context and situation into account, whereas Westerners focus on key features. This difference affects face recognition, leading to varying levels of eye contact, and has implications for smooth cross-cultural interactions.
A new study published in Climatic Change identifies political mobilization by elites and advocacy groups as the driving factor behind public opinion on climate change. The research found that information-based science advocacy has a minimal effect on public concern, while elite cues and economic factors play a crucial role.
Research on 850 participants found frequent house moves during childhood were associated with poorer overall health and psychological distress. Illicit drug use during adolescence and adulthood was independently linked to childhood house moves.
According to a study published in Archives of Neurology, revised criteria for mild cognitive impairment (MCI) may reclassify patients with very mild or mild Alzheimer's disease dementia. The new guidelines allow for more flexibility in defining functional independence, potentially affecting diagnostic approaches and treatment options.
Research by the Universities of Exeter and Liverpool reveals that redder ladybirds are more poisonous than their paler peers, with better-fed individuals producing stronger warning signals and toxic chemicals. This variation in coloration is linked to diet in early life, making redder ladybirds less likely to be eaten by predators.
Researchers have developed modular growth factors that can stimulate bone and blood vessel growth in sheep, showing promise for treating orthopedic injuries and defects. The approach uses flexible proteins to activate specific signaling pathways, reducing the risk of unwanted side effects like cancer.
Researchers at Max Planck Institute have recorded detailed live images inside the brain of a living mouse using STED microscopy, making minute structures visible for the first time. This breakthrough could help decipher fundamental processes in the brain and shed light on illnesses caused by synapse malfunction.
Researchers found that older adults tend to use an egocentric strategy, while younger adults prefer allocentric strategies in navigating spatial tasks. This study aims to identify potential behavioral interventions to improve cognitive functions in aging individuals.
Research links injectable progesterone contraceptives to poor periodontal health, with DMPA users at higher risk of gingivitis and periodontitis. Women currently taking or past users of the contraceptive may need to prioritize oral care.
A new species of plant lice, specifically Rhopalosiphum, was found in Costa Rica's high-altitude region Cerro de la Muerte. The study reveals that this newly described species feeds solely on a type of bamboo, Chusquea tomentosa.
Recent studies have demonstrated the effectiveness of group schema therapy in treating borderline personality disorder, with a 94% recovery rate over an 8-month period. The approach combines theoretical, conceptual, and practical information, including therapist tips and patient workbook materials.
A study found that patients leaving hospitals against medical advice do not have to pay the full cost of their stay, as insurance companies typically cover the expenses. However, many physicians and some consent forms incorrectly inform patients that they may be held financially responsible if they leave AMA.
A multi-year study published in PLoS One found that domestic cats and wild cats living in the same area share diseases such as Toxoplasmosis, Bartonellosis, and FIV. This can happen through contact with shared habitats, even if they don't come into direct contact.
Researchers at Sanford-Burnham Medical Research Institute discovered that beta cells in the pancreas use taste receptors to sense fructose, a type of sugar. This finding suggests that fructose plays a role in insulin release, amplifying the effect of glucose and potentially impacting metabolic diseases like obesity and diabetes.
A recent study published by Archives of General Psychiatry found a strong association between smoking and more rapid cognitive decline in men. The study analyzed data from over 5,000 men and women in the Whitehall II cohort study, revealing that continued smoking was linked to greater cognitive decline.
The Cleveland Traumatic Neuromechanics Consortium (TNC) will investigate and develop better protection and treatment strategies for head, neck and spinal injuries. The center will combine engineering and clinical expertise from both institutions to make a significant positive difference in people's lives.
Researchers use molecular imaging to improve diagnosis and treatment decisions for estrogen-receptor positive breast cancer patients, detecting bone metastases and predicting therapy response. PET imaging with 18F-FES and 18F-FDG improves diagnostic information and prompts changes in treatment for 88% and 48% of subjects respectively.
A survey of US elementary school students found that about half have access to competitive food venues like vending machines and snack bars, where sugary foods are commonly sold. However, healthier options like salads and fruits were less accessible, with many schools prioritizing lower-fat products over whole grains and low-fat dairy.
A Kansas State University researcher has developed a new method to create ceramic carbon nanotube material, which improves laser detector performance. The material also addresses four key areas for improving rechargeable batteries: capacity, life, recharging speed, and power output.
Researchers at Van Andel Research Institute have discovered a predictive marker for patient sensitivity to MET inhibitors in glioblastoma. The study may lead to the development of improved therapies for this deadly brain cancer.
Researchers used whole-genome sequencing to analyze E. coli bacteria from outbreaks in Germany and France, discovering small differences among strains. The study found that the German isolates were nearly identical, while French strains showed greater diversity, suggesting a bottleneck or uneven seed distribution.
A new study found that children who received family intervention during early childhood had significantly lower rates of obesity compared to those in the control group. The intervention, ParentCorps, helped parents develop more effective discipline strategies and increase positive interactions with their children.
Researchers at Rice University and Texas Children's Hospital have successfully derived vessel-forming stem cells from amniotic fluid, offering hope for repairing infant hearts. The breakthrough could lead to growing tissue patches using the infant's own cells, potentially replacing defective tissue with beating heart tissue.
Researchers found that using LABAs in combination with ICS reduces asthma attacks as well as or better than corticosteroids alone. The study showed the greatest benefits to African-American patients, males, and those with moderate to severe asthma.
The Navy is testing an electromagnetic railgun prototype launcher, a long-range weapon that can fire projectiles at speeds of up to 5,600 mph. The technology has the potential to provide Sailors with multi-mission capability for tasks such as naval surface fire support and cruise missile defense.
A short spinning session can increase cardiac biomarkers, similar to a heart attack, but levels return to normal within 24 hours. Researchers hope to raise awareness among emergency treatment teams about the need for accurate assessment in patients with chest pains after exercise.
The American College of Physicians (ACP) endorses the use of metformin as the initial treatment for most patients with type 2 diabetes, especially when lifestyle modifications have failed. The guideline also advises adding a second drug to metformin when necessary.
A multi-center study, DECIDE, aims to improve end-of-life decision making amongst hospital-based physicians and nurses. The study will assess processes for improving communication and explore staff views on fulfilling care goals with seriously ill patients and their families.
A McMaster University study finds that closing schools can significantly reduce the spread of pH1N1, with a 50% reduction in transmission observed. The research used high-quality data from Alberta to demonstrate the effectiveness of school closures as a control measure during pandemic outbreaks.
A study by UNC researchers has discovered how a genetic defect underlying congenital heart disease distorts cardiac muscle cells, preventing them from forming a fully functioning heart. Treatment with a drug that regulates cell shape rescues the cardiac defect, offering therapeutic avenues for future treatment.
A low-pressure area in the Gulf called System 90L is being watched for possible development into a subtropical depression, although chances are now considered slim. The system is expected to bring widespread heavy rainfall and gusty winds to northern Cuba, the Florida Keys, and south Florida.
A new study published in the BMJ Open found that exercise ECGs have benefits beyond diagnosis, including clarifying symptoms and engaging patients in the diagnostic process. The test can facilitate communication between clinicians and patients, providing reassurance on exercise capacity and tolerance.
Researchers discovered that cardiac natriuretic peptides can convert white fat cells into brown fat cells in mice and humans, increasing energy usage and potentially aiding in weight loss. The study suggests a new approach to combating the obesity epidemic.
A Stanford University geophysicist recommends stronger regulations for hydraulic fracturing to address concerns over water disposal and toxic additives. The expert argues that better regulation could lead to cheap, clean energy alternatives to coal.
The American College of Physicians recommends metformin as the initial drug treatment for most patients with type 2 diabetes who have failed lifestyle modifications. Additionally, a study found that women are more likely to experience complications after implantable cardioverter-defibrillator (ICD) placement compared to men. Meanwhile,...
Researchers at UT Southwestern Medical Center found that fibroblast growth factor 21 (FGF21) causes significant and rapid bone loss in mice, promoting fat cell growth but inhibiting bone cells. The study suggests a potential tradeoff between the anti-obesity benefits of FGF21 and its risk of osteoporosis.
A new study reveals that the deadliest mass extinction, 'The Great Dying', was not a sudden event but occurred gradually. The researchers found evidence of gradual decline in marine life, with some species dying up to 100,000 years before the main extinction event.
A University of Minnesota-led research team has proposed a mechanism for controlling embryonic stem cell proliferation and differentiation. The study reveals that two enzymes, ERK1 and ERK2, inactivate the protein Klf4, allowing cells to differentiate into adult cells.
A new analysis of clinical trial data found that treatment with fluoxetine did not increase or decrease suicidality in children compared to placebo. The study also showed that two different antidepressant drugs were effective at reducing suicidal behavior and depressive symptoms in adult and geriatric patients.
Researchers used fMRI to track brain activity in competitive game players, finding differing patterns of activity during social interactions. The study sheds light on how the brain processes information in competitive settings and may aid understanding of neuropsychiatric illnesses.
Researchers at LSU Health Sciences Center have identified a new protein called ARD1 that plays a critical role in the development and growth of prostate cancer. Inactivating this protein completely suppresses cancer growth, making it a potential target for new treatments.
The Fogarty Institute for Innovation has launched an Advanced Endovascular Training Fellowship, providing year-long clinical training for postgraduate physicians. Fellows will engage with start-up companies and assist in developing technologies to improve patient care.
Researchers at the University of Gothenburg found that adopting an optimistic mindset and using humour can significantly improve a patient's experience during dental treatment. These strategies can reduce stress, increase well-being, and create a pleasant atmosphere.
The Stichting af Jochnick Foundation is funding research into the fundamental causes of diabetes at Karolinska Institutet, aiming to develop more effective treatments for the disease. The project will use unique methods to study insulin regulation in living organisms and identify new targets for drugs.
Research over 20 years shows physical punishment harms children's development, increasing aggression and mental health problems. Interventions like positive discipline can reduce difficult behaviour in children.
A new University of Georgia study reveals the gender wage gap has decreased sharply over 30 years, with a decline of nearly 50%, after accounting for common biases in survey data. The research found that men and women tend to underestimate income when reporting on someone else's behalf.
A new scoring method, DRAGON score, can accurately predict stroke patient outcomes three months after treatment with alteplase. The score is 86% accurate and can be calculated in under a minute.
A study found that national political leaders play a key role in shaping public opinion on climate change, with a peak in agreement between Democrats and Republicans in 2006-2007. However, public concern has since dropped as partisanship increased.
Researchers found US consumers prefer sustainably grown US cotton over conventional practices. Transparency is key to promoting sales, with consumers willing to pay up to $5 more for a $30 shirt made from US-grown cotton.
Researchers in France have developed a way to deposit thin aluminum RFID tags on paper using thermal evaporation, reducing the cost of RFID tagging. This approach could enable single printed sheets or flyers to be tagged and open up RFID tagging to more systems.
MassGeneral Hospital for Children researchers found 27 new candidate genes for CDH using sophisticated data-filtering strategy. The findings may lead to development of new diagnostics and preventive treatments for the deadly birth defect.
A recent study from University of Utah biologists found that the diversity of immune-system MHC genes is maintained through an 'arms race' between genes and germs, where pathogens evolve to evade the immune response, but also create new opportunities for other variants to emerge. This phenomenon helps explain why some disease-susceptib...
A recent study published in Archives of General Psychiatry found no association between first-trimester induced abortion and increased risk of psychiatric readmission among women with a history of treated mental disorders. In contrast, the risk was higher during the first month after childbirth.
A large Scandinavian study has found that combined oral contraceptive pills reduce painful menstrual periods by 0.3 units on the VMS scale, with a reduction of nine millimeters on the VAS scale. Increasing age also alleviated symptoms, but not as much as COC use, which had a greater effect.
Studies of diving beetles reveal that sperm form follows female reproductive organ function, challenging the paradigm of post-mating sexual selection. Researchers found diverse sperm shapes and structures adapted to navigate complex female reproductive tracts, suggesting females can drive evolutionary changes in male traits.
A new study by Rotman School of Management researchers reveals that treating time as money can undermine well-being. The study shows individuals who perceive their time as monetizable tend to experience greater impatience and lower satisfaction during leisure activities compared to those who do not.
Researchers found a proactive test-and-treat strategy significantly reduced malaria prevalence, with a sixfold decrease in 2008-2009. The strategy also provided indirect protection to household members and could be targeted to hot spots for further reductions.
Researchers at CRCHUM made a key discovery about insulin secretion regulation in the body, which has important implications for treating Type 2 diabetes. The study mapped the pathway that glucose stimulates to produce insulin and identified genetic processes involved.
Scientists at Duke University Medical Center discovered that copper is essential for detecting sulfur-containing substances, which are responsible for strong odors. The research, published in the Proceedings of the National Academy of Sciences, suggests a possible link between copper and drug receptor responses.
Researchers from UNH's Center for Coastal and Ocean Mapping used multibeam echo sounders to map the entire Mariana Trench, discovering four bridges spanning its depth of 10,994 meters. The bridges are thought to be formed by the collision of tectonic plates, providing new insights into Earth's complex geology.
A new study from the University of Haifa found that emotional and instrumental support from a supervisor can significantly reduce employee absenteeism and increase productivity. The study also highlights the importance of co-worker support in mitigating the effects of stress at work, leading to improved overall well-being.
Researchers at the University of Illinois discovered that exercise can trigger adult stem cells in muscle, releasing growth factors that promote muscle regeneration. The findings may provide a link between exercise and muscle health, with potential applications for rehabilitation and preventing age-related muscle loss.
A new study reveals that women born to older mothers and taller, thinner girls before puberty are more likely to develop breast cancer. The research suggests that accumulated exposure to hormones during early life influences breast tissue composition and tumour development.
Researchers developed a nanoparticle microfluidic color device for rapid detection of acute sepsis and other biomarkers, offering improved accuracy and speed in medical diagnostics. The device boasts high sensitivity and can detect minute quantities of biomolecules, making it a promising solution for point-of-care diagnostics.
Researchers analyzed data from an observational study to examine the relationship between HIV illness severity and psychiatric disorders. The study found limited evidence of associations between specific antiretroviral therapy and psychiatric symptoms, but noted associations with quality of life and cognitive functioning.
According to a Yale University study published in Pediatrics, over 4,500 US children were hospitalized due to child abuse in 2006, resulting in 300 deaths. Children under one year old were at highest risk of hospitalization, and those on Medicaid had rates six times higher than non-Medicaid patients.
Cyclone Jasmine is strengthening as it approaches Vanuatu and New Caledonia, with forecasters predicting hurricane-force winds and heavy rainfall. The storm's current track takes it between the two island nations, with its center expected to pass nearby on February 8.
Experts from NYU Langone Medical Center will present their latest research on diseases of the muscle, tendon, bone, and joint. The focus includes reverse total shoulder arthroplasty, platelet-rich fibrin matrix for rotator cuff healing, and effects of partial medial meniscectomy on tibiofemoral position and stability.
A study published in Applied and Environmental Microbiology found that electron-beam irradiation can inactivate viruses on leafy greens, reducing the risk of foodborne illness. The research provides quantified data on the reduction in health risks through this technology, which could lead to greater adoption in the fresh produce industry.
A study published in Biological Conservation found two previously unknown feeding hotspots for loggerhead sea turtles in the Gulf of Mexico. The hotspots, located off the coast of Southwest Florida and the Yucatan Peninsula, provide valuable habitat for at least three separate populations of the turtles.
Researchers at Kimmel Cancer Center found that cyclin D1 overexpression associates with chromosomal instability in luminal B breast cancer. Elevated levels of cyclin D1 promote genetic breakdown known as chromosomal instability, which correlates with this subtype.
Yale researchers developed a methodology to evaluate the importance of scarce metals using supply risk, environmental implications, and vulnerability analysis. The new approach provides a standardized framework for corporations and national governments to inform strategic decision-making around resource use.
Researchers created an emergency general surgery registry (EGSR) to analyze and improve surgical outcomes for patients. The registry includes ICD-9 codes to define and evaluate EGS cases, covering a range of pathologies including appendectomy, hernia repair, and cholecystectomy.
Patients with low levels of anti-PC in connection with acute coronary syndromes are at a greater risk of complications and premature death. Inhibiting inflammation and cell death may have a protective effect on cardiovascular disease.
Researchers found that variation in the level of expression of a gene called CMG2 affects the success of the anthrax toxin in gaining entry into human cells. The study highlights the importance of host genetics in determining individual susceptibility to pathogens like anthrax, HIV, and malaria.
A new study at Sanford-Burnham Medical Research Institute suggests that the heart hormone natriuretic peptides play a role in breaking down fat. The peptides turn on a molecular mechanism similar to what's activated when the body is exposed to cold and burns fat to generate heat.
Researchers have identified a key switch that releases zinc into cells, which could be used to block cancer development and halt tumor growth. Zinc levels are controlled by protein molecules called zinc transporters, and understanding how these transporters release zinc has important implications for disease treatment.
A new study by Northwestern University researchers found that ineffective algorithms and profiles hinder online dating. In contrast, mobile dating enables potential partners to meet face-to-face quickly, which is crucial for finding compatibility.
Skiers and snowboarders in Canada face inadequate protection from current helmet standards, which are less stringent than US and European ones. Health experts call for stricter regulations to ensure helmets can withstand multiple impacts and provide superior protection for various head sizes and weights.
A deadly Egyptian soccer riot has highlighted the need for sports teams to assess and prevent spectator rage, which can be triggered by emotional and environmental factors. Researchers suggest that screenings and monitoring of fans during events are critical in preventing incidents.