Scientists at the University of Connecticut Health Center have visualized the movement of Lyme disease-causing microbes within feeding ticks. The study found that these microbes undergo a biphasic mode of dissemination, first forming networks of nonmotile organisms and then becoming motile invasive organisms.
Researchers at UCI discovered a way to boost palmitoylethanolamide (PEA) levels, a potent anti-inflammatory substance. The PEA-boosting compound shows wide-scale promise as an immune-response drug treatment for allergies, illnesses and injuries.
Research by Nick Fulcher and Robert Sablowski found that plant stem cells are sensitive to DNA damage and can detect defects, triggering cell death to prevent them from being passed on. This mechanism helps protect plants against genetic damage caused by environmental stresses such as drought, high salinity, and hazardous chemicals.
A study by McMaster University reveals that plants prefer to share space with their own kind but divert resources towards leaves when paired with non-kin. This complex behavior allows siblings to access sunlight and compete more effectively for limited resources.
A new time-lapse movie shows the birth of massive stars in Orion's Great Nebula, revealing signs of rotating accretion disk and outflow streams. The data suggest magnetic fields may play a crucial role in star formation.
Chemists at Oregon State University have discovered a new blue pigment based on manganese that is safer to produce, more durable, and environmentally friendly. The compound can survive extreme temperatures and resist acid, making it suitable for various applications such as art, inkjet printers, and automobiles.
The VCU Medical Center and Richmond Ambulance Authority partnership has improved resuscitation and survival rates for cardiac arrest patients by training paramedics to lower body temperature in the field and using high-tech strategies. The strategy resulted in a two-fold improvement in return of spontaneous circulation and an increase ...
Research from the CISNET network finds that biennial screening reduces breast cancer mortality by 16.5% and false-positive rates by half, while minimizing unnecessary biopsies and anxiety.
A study found that a nurse-led telephone care program for depression post-bypass surgery improved mental health-related quality of life and physical functioning in CABG patients. The intervention showed significant reductions in mood symptoms, with men particularly benefiting from the treatment.
Research on 800 college students found that those with smaller drinking problem chances were more likely to experience problems, contrary to the idea that optimism motivates health care. The study suggests that unrealistic optimism may actually curb risky health behaviors.
A new study compares expert identification and computer analysis in reconstructing ancient fossils from hundreds of thousands of jumbled pieces. The research found that specialized experts provided the most reliable identifications, while less experienced palaeontologists made more mistakes.
A new study published in the Journal of the American College of Cardiology found that women are less likely to exhibit signs of structural heart disease, which is a precursor to fatal cardiac arrest. This means that fewer women may be eligible for current treatments that can prevent sudden cardiac arrest.
Daily text-message reminders significantly increased sunscreen application among participants over a six-week period. The study found that adherence rates were 56.1% with daily reminders compared to 30% without reminders.
The Laboratory will provide expertise and technological tools to four geothermal projects with Pueblo of Jemez, New Mexico Tech, and the University of Utah. Los Alamos researchers will assist in characterizing geothermal springs and developing new chemical tracers to determine heat transfer characteristics.
Researchers at Johns Hopkins Medicine found that migraine headaches are associated with more than two-fold higher chances of ischemic stroke. Women with migraines have a particularly high risk, with a 2.9 times higher risk compared to men.
A large-scale study of ketamine users found that heavy users experienced impaired verbal memory, forgetfulness, and difficulty recalling conversations. The study also revealed that occasional ketamine use does not lead to prolonged harms to cognitive function, but frequent use can have negative effects.
The University of Tennessee supercomputer Kraken has been ranked as the world's third fastest computer and holds the title of the world's fastest academic supercomputer. With its combined computing power with Oak Ridge National Laboratory's Jaguar, East Tennessee is now firmly established as a center for supercomputing activities.
Researchers discovered that certain cyanobacteria species have evolved rope-building traits to resist erosion and stabilize soil substrates in arid environments. This adaptation allows them to thrive in areas where other microbes would struggle to survive.
A Mayo Clinic study found that the incidence of stroke or mini-stroke related to angioplasty remained steady over a 15-year period. Researchers identified patients who suffered an angioplasty-related cerebrovascular accident (CVA), defined as a stroke, and compared outcomes with the remainder of the study population.
A protein long thought secondary to stressors like hypertension is actually a primary regulator according to researchers. Knocking out GSK-3alpha causes significant hypertrophy in mice models. The findings also suggest GSK-3alpha as a positive regulator of the beta-adrenergic system, potentially helping failing hearts pump better.
A University of California, Irvine computer model forecasts improved air quality in the Greater Los Angeles area if 75% of drivers switch to hydrogen fuel cell vehicles by 2060. The model suggests a 60% reduction in greenhouse gas emissions and lower levels of soot and ozone.
A study by University of Bonn researchers has found a link between the influenza virus and fever, revealing that the immune system's RIG-I protein plays a key role in triggering high temperatures. This discovery could lead to new therapeutic strategies for treating severe viral infections.
A new study led by UC Davis Health System dermatologist April Armstrong found that daily text messages reminding people to apply sunscreen increased its use by nearly twice as much as those who did not receive such messages. The study aimed to explore the potential of text messaging to encourage healthy habits in patients, and its find...
An analysis of surgical adverse events at Veterans Health Administration Medical Centers found that communication problems are the leading cause of errors, often occurring early in procedures. The study highlights the need for earlier communication based on crew resource management to prevent surgical adverse events.
Researchers found that fans who experienced negative emotions during the game thought it was more thrilling and suspenseful. The study suggests that both positive and negative emotions contribute to entertainment and enjoyment, with negative emotions acting independently and together.
A large study found acute heart attack patients received an average of 14.5 millisieverts of ionizing radiation, equivalent to 725 chest X-rays, during their hospital stay. Physicians may be unaware of cumulative dose accumulation from tests and should consider radiation exposure when diagnosing and treating heart attacks.
INTUNIV, a selective alpha-2A agonist, shows no unique adverse effects when coadministered with amphetamine or methylphenidate. The study demonstrated improved ADHD symptoms using the ADHD Rating Scale-IV (ADHD-RS-IV) in children and adolescents.
Researchers at Yale University have identified a novel protective mechanism in photoreceptors that could help preserve vision in people with eye diseases. The study found that the activation of CREB1/ATF1 is part of this pathway, which was triggered by stress and can be activated by certain drugs.
The study found major genetic differences between pandemic H1N1 and seasonal flu strains, potentially explaining why children are more susceptible. This difference in molecular makeup may contribute to the lower incidence of H1N1 in older adults due to pre-existing immunity.
A new study examines the potential ecological damages and benefits of REDD mechanisms, finding substantial co-benefits for watershed functions, local climate regimes, and terrestrial habitats. The analysis suggests that a balanced approach to REDD is crucial to avoid leakage and ensure ecosystem integrity.
Researchers at Loyola Medicine found that adults using pet therapy during recovery had 50% less pain medication usage. The animal-assisted therapy was trained through a program called Canine Companions for Independence.
Researchers found that targeting fibroblast activation protein (FAP) in tumor microenvironment significantly reduced tumor growth in mice. FAP promotes tumor growth by disrupting signaling pathways and biological processes required for tumor growth.
Astronomers are using a record-breaking 35-telescope array to measure the sky with extreme precision. The project aims to create a stronger, more precise reference grid for celestial positions.
Scientists have discovered that the protein PARP-1 plays a crucial role in activating the transcription factor NF-kappaB, which triggers a survival program that blocks programmed cell death. This activation is thought to be one of the potential causes for tumor cell resistance to chemotherapy and radiation therapy.
The US Preventive Services Task Force now recommends against routine breast cancer screening for women under 50 due to insufficient evidence. However, women between 40-49 at high risk should discuss biennial mammography with their doctor. The task force also suggests changing the screening interval from one year to two until age 74.
The research found that patients with schizophrenia from diverse countries and healthcare systems shared similar symptoms, treatment regimens, and socio-economic challenges. Key findings included high rates of antipsychotic polypharmacy and hospitalizations, as well as significant sexual dysfunction.
A study by LA BioMed found sustained improvements in exercise capacity among PAH patients treated with ambrisentan for two years. The researchers also observed a low risk of death and clinical worsening from the disease.
Flibanserin demonstrates significant improvements in sexual functioning, desire, and distress related to low sexual desire in pre-menopausal women with Hypoactive Sexual Desire Disorder (HSDD). The treatment increased satisfying sexual events and sexual desire, while decreasing distress associated with HSDD.
A genetic variation in oxytocin's receptor has been linked to both empathetic ability and stress reactivity in a study of college students. Those with the GG allele showed lower heart rate responses to stress tests and performed better on a test measuring empathy.
Researchers found that inflammation is critical in aortic dissection and interleukin-6 plays key role. Studies using mice and human samples validate findings, providing new insights into underlying mechanisms.
A new study published in Neurology suggests that smoking is an established risk factor for Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's disease. The findings support the link between environmental factors and ALS occurrence, highlighting potential avenues for treatment.
A pilot study of 145 preschool children found that higher phthalate exposure was associated with less male-typical play, such as trucks and rough-and-tumble play. The study suggests that fetal exposure to anti-androgens like phthalates may alter masculine brain development.
A groundbreaking face and upper-jaw transplant has successfully integrated donor tissue with no long-term rejection, enabling the recipient to regain senses of smell and taste. The procedure, performed on a patient with extensive damage from postoperative scarring and blood vessel depletion, demonstrates the feasibility of facial trans...
A new supplement reviews the history and application of the Sterile Insect Technique (SIT) in eliminating malaria. SIT involves releasing sterile male mosquitoes to wipe out a pest population, which can be effective against Anopheles mosquitoes that spread malaria.
A recent study found that ancient high-altitude bristlecone pines in the western US are experiencing unprecedented growth rates due to rising temperatures. Trees growing near treeline, typically at elevations above 11,000 feet, showed wider annual growth rings from 1951 to 2000 compared to previous centuries.
A recent study by researchers at Intermountain Medical Center found that patients with low levels of vitamin D were more likely to develop coronary artery disease, heart failure, and stroke. The study followed 27,686 patients over a year and found that those with very low levels of vitamin D were 77% more likely to die.
Researchers halted a key study on the benefits of combining extended-release niacin with statin medications to prevent blood vessel narrowing. The study showed that prescribed niacin worked better in combination with a statin than another double-cholesterol-lowering drug combo, reducing carotid arterial wall thickness.
Researchers developed a new approach to control chemical microenvironments using light and microparticles to mimic bacterial trails. They guided neutrophils to move along defined paths in response to artificial chemical signals.
A study of 18,871 Australian drivers found that those who engaged in self-harm behaviors were more likely to be involved in multiple-vehicle crashes. The study suggests that effective interventions addressing self-harm could benefit young drivers and reduce the risk of motor vehicle crashes.
Researchers linked genetic data to visualize H1N1 flu virus movement around the world using Google Earth. The resulting map represents the most comprehensive analysis of avian flu transmission among sites in Asia, Africa, and Europe.
The study found that rosier skin appears healthier due to increased blood flow, while golden or 'yellow-toned' skin may indicate higher antioxidant levels from a healthy diet. This discovery suggests that nutrition plays a crucial role in achieving the most desirable complexion.
Research highlights the need to address hemophilia treatment disparities in developing countries. A new study from North Carolina State University found that prevalence of hemophilia A has increased over time due to improved treatments, but access to life-saving clotting factor VIII remains severely limited.
Researchers at Kansas State University developed an algorithm that enables next-generation smart adaptive radios and makes radars more effective by customizing the coding used in transmitting signals. The algorithm can be applied to various systems employing spread spectrum techniques, including cellular, satellite, and wireless networks.
Researchers developed a new combination therapy that blocks autophagy in breast cancer cells, leading to increased cell death rates. This approach may help overcome resistance mechanisms in breast cancer, providing a promising treatment option.
A team of scientists argue that slowing global warming through REDD policies may not fully protect biodiversity. The researchers suggest that careless implementation could lead to the degradation of high-biodiversity areas instead.
A study of 500 patients found that EKG readings can yield false positive diagnoses for left ventricular hypertrophy with a rate of 77-82%, while false negatives occur at a rate of 6-7%. This can lead to unnecessary additional screenings.
Flibanserin, originally developed as an antidepressant, has been shown to improve sexual desire and satisfaction in women with low libido. The results of pooled clinical trials found significant improvements in sexual encounters, desire, and distress associated with sexual dysfunction.
A study published in JAMA found that telephone-delivered collaborative care for post-CABG depression significantly improved mental HRQL, physical functioning, and mood symptoms. Intervention patients reported a 50% or greater reduction in mood symptoms compared to those receiving usual care.
A recent study found that pediatric onset multiple sclerosis is more aggressive and causes more brain lesions than MS diagnosed in adulthood. However, patients with pediatric-onset MS develop disabilities at a slower pace than those with adult-onset MS, with an average delay of almost 10 years.
According to a recent study published in Archives of Surgery, uninsured patients are more likely to die after trauma than those with health insurance. The study analyzed records from the National Trauma Data Bank and found that uninsured patients had a higher mortality rate even after controlling for age, sex, race, and injury severity.
A new cause of osteoporosis has been identified: a mutation in the miR-2861 precursor that blocks expression of this crucial microRNA. This microRNA promotes bone formation and its absence is linked to primary osteoporosis in humans.
Studies found that using a cell phone while walking can increase the risk of accidents, particularly for older adults. Hands-free cell phones did not pose the same hazard as listening to music or speaking on a mobile phone.
Scientists are concerned about the buildup of carbon dioxide and methane gas in Lake Kivu, which could lead to a catastrophic explosion. The lake's unique combination of geological features and lack of circulation makes it vulnerable to disturbances, posing a threat to the approximately 2 million people living nearby.
Researchers have identified a microRNA (miR-2861) that regulates bone formation, and its mutation is linked to primary osteoporosis. In addition, studies on Lyme disease transmission revealed a biphasic mode of dissemination by Borrelia burgdorferi microbes within ticks.
A new UN climate treaty may inadvertently increase the risk of extinction for some species as governments prioritize reducing deforestation in high-carbon forests. The REDD scheme aims to curb carbon emissions by financially rewarding tropical countries that reduce forest clearance.
A study of 357 patients who underwent rhinoplasty using irradiated homologous costal cartilage found low complication rates, including 3.25% warping, infection, or resorption. Patient satisfaction was high at 94.2%, making this graft material a reliable alternative to autologous cartilage.
Steve Kaplan predicts lower default rates and higher recoveries in private equity deals due to increased efficiency and operating value. The industry can prevent overpriced deals by promoting larger equity commitments from financial sponsors.
ASU professors Stuart Lindsay and Paul Westerhoff will lead two innovative projects to tackle challenges in rapid DNA sequencing and nanotechnology health risks. The projects aim to simplify DNA sequencing like the invention of the transistor simplified electronics.
A study of 2,234 initially healthy men and women found no adverse effects from brief episodes of exercise-induced ventricular tachycardia. Regular exercise is still recommended for overall heart health without restrictions.
Researchers found that people who had previously built up immunity to the adenovirus used in the trial had a higher risk of infection with HIV after receiving the vaccine. The study suggests that other adenovirus-based vaccines, such as those for tuberculosis and malaria, may also be at risk due to the same immune system reaction.
Researchers found that warmer climates would limit protein availability to grazing animals, with projected scenarios suggesting plant protein concentrations will diminish in the future. To adapt, ranchers may need to manage herds differently or provide supplemental protein.
Research shows that biotech soybean oil enriched with SDA produces more EPA than traditional ALA, reducing heart disease risk. The oil's high efficiency and absence of contaminants make it a promising source of omega-3 fatty acids for humans.
NASA's Terra satellite captured an image of Tropical Cyclone Anja, strengthening into a Category Three cyclone on November 16. The storm had tropical storm-force winds extending out to 100 miles from its center, and is not threatening any landmasses.
Researchers are using genomics to study the microbial community and determine how to create conditions for them to thrive, helping to detoxify metal toxins in wastewater. The approach relies on a diverse microbial community that provides essential nutrients to microbes like Sulfate-Reducing Bacteria.
A new study found that healthy adults have a level of protective immune memory against the 2009 H1N1 influenza virus. This immunity can blunt the severity of infection and provide some protection. The findings may explain why younger children are more severely affected by the pandemic.
Researchers developed a fast and accurate method to quantify subtle brain volume loss in Alzheimer's patients, outperforming existing measures. The new technique identifies changes in memory regions, particularly the entorhinal cortex, as sensitive markers for early disease stages.
The new center will connect IU's expertise with Moi University and hospital to increase electronic health record capacity in one of the world's poorest regions. Trained locals will use electronic tools to solve healthcare problems, enhancing outcomes and public health.
Researchers at Emory University School of Medicine have identified a substance in the blood that may predict an individual's risk for heart disease. High levels of cystine, an oxidized form of the amino acid cysteine, were found to be twice as likely to result in a heart attack or death over a few years.
Research suggests that the left hemisphere's dominance in humans may stem from ancestral gestural communication, with right-handed gestures in chimpanzees indicating a similar lateralization. This study supports the idea that speech evolved from a gestural system and shares key features with human language.
A new study found that Transcendental Meditation significantly reduced the risk of heart attacks, strokes, and death in African American patients with coronary heart disease by nearly 50%. The nine-year trial also showed a clinically significant reduction in blood pressure and psychological stress.
Recent decades saw a significant increase in bristlecone pine growth, with wider rings than at any time in the last 3,700 years. The research suggests that warmer temperatures play a key role in this surge in growth, particularly for trees near treeline.
The American Medical Informatics Association (AMIA) presented awards to recognize individuals who have performed outstanding leadership in the field of biomedical and health informatics. The award recipients include Paul Tang, Isaac Kohane, S. Trent Rosenbloom, Connie White Delaney, Betsy L. Humphreys, and others.
Researchers at the La Jolla Institute found that previous influenza infections can provide some level of immunity to the H1N1 'swine' flu. The study suggests that this pre-existing immunity may make the disease less severe in the general population, reducing its impact.
A study found that combining positron emission tomography and computed tomography (PET-CT) scans six to eight weeks after chemoradiotherapy for advanced head and neck cancer can identify patients who will respond to treatment. The test also showed high sensitivity and specificity in detecting residual disease and distant metastases.
A study by University of Texas at Austin researchers found that moderate sleep deprivation can lead to a decline in information-integration thought processes, critical for quick decisions. This affects individuals who shift from an automatic process to a more controlled approach, leading to negative effects on performance.
A new study found that smoking is associated with an increased risk of bladder cancer, which progresses over time. The study showed that even smoking fewer cigarettes per day for more years may be more harmful than smoking more cigarettes per day for fewer years.
A comprehensive analysis of 17 studies involving over 35,000 participants found a strong, reliable link between parental monitoring and reduced marijuana use in adolescents. Female-only studies showed the strongest effects.
A study published in Psychology of Women Quarterly investigates how the gender-typing of an industry affects the evaluation of teams led by men and women. The research shows that people have higher expectations for the performance of teams when their leaders' gender is consistent with the industry's gender typing.
A new study published in Recherches Sociographiques found that Quebec nurses are still underutilized and lack decision-making power. Physicians continue to hold significant influence over nursing roles, despite advances in training and education for specialized nurse practitioners and oncology nurse navigators.
Scientists have found that odor-detecting tools in the nose, specifically MOR23, aid muscle cells' repair process. The receptor regulates cell migration and adhesion to form long fibers, offering potential new treatments for muscular dystrophies.
A Penn study reveals that thiocyanate, an antioxidant in broccoli and cauliflower, protects lung cells from inflammation damage. The findings suggest a potential therapy for cystic fibrosis, as inadequate thiocyanate levels may worsen inflammatory diseases.
A new study published in Radiology found that using standardized words and phrases from a pull-down menu actually decreased the completeness and accuracy of radiology reports. Researchers tested two groups of residents on different reporting methods, finding that structured software resulted in less complete and accurate reports.
The TRMM satellite measured heavy rainfall from last week's coastal low pressure area 'Ida', which drenched the U.S. east coast and caused flash floods. Heavy rain amounts were found in Alabama, North Carolina, and Virginia with maximum values exceeding 240mm.
A study by UCLA's Jonsson Comprehensive Cancer Center found TiO2 nanoparticles in cosmetics, sunscreen, and other products cause DNA breaks, chromosomal damage, and inflammation in mice. The researchers suggest limiting nanoparticle exposure to prevent potential health hazards.
Research suggests that active Wii sports and Wii fit activities can increase energy expenditure to levels comparable to moderately intense exercise. The study found that some activities, such as boxing and single-arm stand, require high energy expenditures of up to 5.6 METs.