A team of researchers has created a new implantable device that measures the heart's electrical output with greater resolution than current devices. The device uses flexible silicon technology to bring electronic circuits right to the tissue, enabling high-density maps of electrical activity.
Researchers at OHSU School of Dentistry have discovered that inflammation boosts the production of a protein involved in pain signaling, which could lead to new treatments for craniofacial pain conditions. The findings provide a crucial understanding of the molecular mechanisms underlying trigeminal pain.
A new Rotman paper finds that physically enclosing relevant materials from unpleasant memories improves psychological closure, creating a sense of well-being. The study's findings have implications for products and services that relieve stress and anxiety related to past events or tasks.
Research reveals that brain damage to the ventromedial prefrontal cortex impairs judgment of harmful intent, leading to more lenient moral judgments for attempted harms. The study suggests that patients with VMPC damage primarily evaluate actions based on outcomes rather than intentions.
Oxygen minimum zones (OMZs) support a variety of habitats and species, including brittle stars, spider crabs, and tube-living organisms. Global warming may exacerbate oxygen depletion and reduce biodiversity in these regions.
Physicists at NYU have created colloidal dispersions with programmable particle interactions, offering opportunities for engineering smart composite particles and new functional materials. The 'lock and key' mechanism allows specific particles to join together based on shape, marking a next step in understanding self-assembly processes.
A new study by Rice University sociologists examines the role of private foundations in supporting religion and finds they have a significant influence despite limited financial contributions. The study highlights the Lilly Endowment's strategic giving, which has a real impact on the religious sector.
Young adults are flocking to EDs instead of outpatient clinics, receiving nearly twice as much care as children and adolescents. Access to primary care is associated with improved health outcomes and lower ED use rates.
The revised CONSORT 2010 statement provides a checklist to ensure randomised controlled trials are reported transparently and reliably. The guidelines aim to improve the quality of trial reports, making it easier for decision-makers to evaluate the soundness of trial results.
Living longer and healthier is possible due to public health efforts and improved medical interventions. However, the aging process itself, including dementia and heart disease, remains largely unchanged, with a steady risk of death after age 110.
The Scripps Research Institute team solved the structure of the 'swine flu' virus, revealing similarities with earlier human flu viruses. This discovery helps explain why older individuals were less severely affected by the recent outbreak than younger ones.
A genetic variation at the GPC5 gene has been linked to a reduced risk of sudden cardiac arrest. The study found that individuals with this variation have a 15% lower likelihood of experiencing the heart disorder, which claims over 250,000 American lives each year.
Agricultural Research Service scientists discover that sugarcane can tolerate standing water for up to two weeks without adverse effects on yield or sugar content. This finding provides relief for growers under strict regulations to reduce phosphorus runoff into the Everglades.
A study of UK schoolchildren found that Black Africans, Indians, and Bangladeshis have a similar or lower prevalence of asthma than White children. A family history of asthma and psychological well-being were consistent correlates for asthma regardless of ethnicity.
A new study found that few websites provide high-quality patient information on treatment options for Crohn's disease and ulcerative colitis. Researchers evaluated 50 websites using various criteria to assess their quality and accuracy.
Non-human animals, including gorillas and chimpanzees, exhibit knowledge about what they have seen in experiments. The apes reduce checking before choosing when provided with auditory information about the food's location, suggesting metacognitive abilities.
Researchers at Medical College of Georgia have developed a synthetic peptide that mimics the body's natural ability to reduce excess fluid accumulation in lung transplant patients. The peptide, called TIP, has been shown to improve oxygenation and reduce inflammation, potentially reducing mortality rates.
Researchers have developed a flexible silicon electronics device that can map waves of electrical activity in the heart with high density and speed. The device uses 288 contact points and has the potential to localize and treat abnormal heart rhythms.
Researchers successfully controlled x-ray pulses using laser light, enabling new possibilities for quantum information storage and processing. This breakthrough has the potential to shape x-ray pulses on a femtosecond time scale.
Scientists have developed a new diagnostic method using Raman spectroscopy to detect biochemical changes in retinal cells, revealing the presence of glaucoma. The test detected glaucomatous changes with 90% accuracy in animal retinal tissue testing.
A randomized trial found that octreotide acetate did not reduce the incidence or severity of diarrhea in patients with anorectal cancer. The study included 215 patients who received either a placebo or long-acting octreotide before and during radiation therapy, but no significant differences were observed between groups.
The article highlights the risks of incorrect online information and its inability to substitute for human interaction. It emphasizes the need for physicians to weigh information and advise patients, as the Internet cannot replace human judgment and empathy.
Researchers analyzed 439 soil respiration studies and found that the total amount of carbon dioxide flowing from soils has increased by about 1-2 percent per year since 1989. The study suggests that higher temperatures are unlocking old carbon, but more boreal data is needed to reach statistical relevance.
Researchers have developed 'filters' that can be used to weed out compounds likely to show up as false positives during high-throughput chemical screening. This will reduce the time spent on medicinal chemistry and optimize the compound selection process for drug development.
A large six-year review found that many children with severe food-related allergic reactions needed a second dose of epinephrine, highlighting the importance of carrying multiple doses. The study recommends that all children at risk for food-related anaphylaxis carry two doses of epinephrine.
A UCSF study found that delivering HIV prevention services to people living with HIV in clinical settings can sharply reduce their sexual risk behaviors. The intervention, led by medical care providers during routine visits, resulted in a consistent decline in risky behavior over the 12-month study period.
Scientists identified alternative routes for pharmaceuticals to enter the environment through bathing, showering, and laundering. These routes may lead to higher environmental impact for certain medications applied topically. Reducing consumption and developing better drug delivery systems can minimize environmental harm.
A study published in Respiratory Research reveals that older people and those infected with HIV are at higher risk of contracting and dying from tuberculosis. The research identified factors linked to treatment abandonment and deaths, including lack of understanding, injection drug use, and age over 50 or HIV infection.
Researchers developed a strategy to overcome the issue, highlighting the importance of communication between healthcare providers. The study showed that changing drug therapy at an early stage can help patients get the full benefit of tamoxifen treatment, leading to improved breast cancer efficacy.
A new study suggests that emotions are crucial for making moral judgments. Patients with damage to the ventromedial prefrontal cortex (VMPC) have difficulty responding emotionally to hypothetical situations and may judge others' actions as morally permissible even if they intended harm.
A new study found that economic booms can lead to increased illness and mortality rates among children in coffee-producing counties. When coffee prices spike, workers spend more time tending fields and less time on activities beneficial for child health. In contrast, when prices fall, people work less and child health improves.
A recent study published in Cognitive Development found that teenagers take the most risks compared to other age groups, particularly between 14-35 years old. The researchers discovered that teenagers enjoy the thrill of taking risks more than other age groups, especially when they have a 'lucky escape'.
The Norwegian Influenza Study (NorFlu) aims to understand the effects of influenza in pregnancy on maternal health and childhood development. Pregnant women in Bergen and Oslo will participate in the study, providing a blood sample and completing a questionnaire.
Researchers found that infants as young as 7 months old display sensitivity to human voice and emotional prosody in their brains, mirroring adult brain activity. The study suggests that critical neurodevelopmental processes underlying impaired voice processing in disorders like autism may occur before 7 months.
A new study found that chronic job stress and lack of physical activity are strongly associated with being overweight or obese. Exercise was the key to managing stress and keeping a healthy weight among employees.
Researchers found that domestic guinea pigs excelled in a water maze test due to their improved ability to decipher guidance symbols, while wild cavies were stronger swimmers. The study suggests an adaptation in domesticated animals for efficient problem-solving in human-made environments.
A team at the University of Southern California used a genome-wide association method to locate genes behind important plant traits such as flowering time and disease resistance in Arabidopsis thaliana. The study identified dozens of genes linked to these traits, with potential applications in agriculture and biofuels.
Young women with breast cancer are concerned about their fertility, with treatments like chemotherapy and hormonal therapy affecting egg production. Fertility preservation options, such as egg freezing or ovarian tissue transplantation, can help alleviate these concerns.
The article reviews Massachusetts healthcare reform, which has successfully implemented an individual mandate since 2006. The state's program greatly expanded coverage and access to health services while reducing the fear of insurers dropping coverage.
Researchers found that a specific subpopulation of heart muscle cells near the injury site contribute to regenerating heart muscle. The study also showed that these new cells integrate into the wound, replacing the injury clot, and form normal electrical coupling with the surrounding muscle.
Researchers have identified the source of cells that form the coronary arteries, a breakthrough that could lead to improved bypass surgeries. By studying mouse embryos, scientists found that these cells originate from the sinus venosus and undergo natural reprogramming as they migrate across the heart.
A scientific study argues that sustainable economic degrowth is both desirable and unavoidable to mitigate climate change and the economic crisis. The study presents diverse proposals for social equity and ecological sustainability, challenging conventional economic thinking.
The American Thoracic Society (ATS) has endorsed pay-for-performance (P4P) programs in pulmonary, critical care and sleep medicine. The organization aims to improve patient outcomes by linking reimbursement to quality of care.
A researcher at Case Western Reserve University is developing new materials inspired by nature, including scratch-resistant coatings and durable fabrics. The materials are engineered to mimic the incredible attributes of natural materials like squid beaks and spider webs.
Researchers have developed contact lenses loaded with vitamin E that can deliver more medication for glaucoma and other diseases to the eye, increasing treatment duration by about 100 times. Vitamin E's ant-oxidant properties also provide UV protection.
Researchers at the NIA have discovered a key to ES cell rejuvenation in the gene Zscan4, which restores telomere length through recombination. This process enables infinite generations of functional ES cells, offering new insights into aging research and regenerative medicine.
Certain bird species prefer darkly colored fruits, which are found to have higher antioxidant levels than lighter-colored fruits. These antioxidant-rich foods may help birds combat stress and inflammation during long migrations.
The largest European study on socioeconomic status and breast cancer survival found that women from poorer backgrounds had worse outcomes, even after adjusting for tumor size and stage. Women from the poorest backgrounds were a fifth more likely to die within ten years of diagnosis than those from the wealthiest backgrounds.
Mikhail Mikhailovich Ermolaev was a prominent Soviet Arctic scientist who worked for 13 years before being arrested and sent to the Gulag on trumped-up charges. Despite harsh conditions, he eventually resumed his academic career and established a new department at Kaliningrad State University.
A new study led by UCSF researchers found that unusual femur fractures are extremely rare in patients with osteoporosis, even those taking bisphosphonates for extended periods. The study's findings provide context to reports of these fractures and highlight the importance of weighing treatment benefits against potential risks.
Tropical Storm Imani is taking a unique shape in the Southern Indian Ocean, resembling a question mark. The storm has strengthened slightly and is forecast to continue intensifying before moving into an area of increased vertical wind shear.
Researchers measured dolphin and rodeo bull head movements to study balance systems. Contrary to a leading theory, the findings show that dolphins have similar head motions as the cattle, defying expectations of smaller organs due to overwhelming senses.
A new survey using ESO's Very Large Telescope discovered that most Lyman-alpha light is trapped within galaxies, making 90% of galaxies invisible to traditional surveys. This breakthrough highlights the limitations of current methods and paves the way for more accurate representations of the cosmos.
Researchers tested mecamylamine, a topical drug, in a human clinical trial to treat diabetic macular edema. The study showed significant improvement in vision and biological effects in the retina in approximately 40% of participants.
A University of Minnesota expert warns that the Earth's environment is approaching a critical threshold due to climate change, species loss, and nitrogen pollution. The expert calls for immediate action to transition to low-carbon energy sources and revolutionize agricultural practices.
Immunologist Roberta Pelanda and her team found that immature B cells require a positive signal from the B-cell receptor to mature and enter the spleen. Protein Erk helps deliver this signal, enabling B cells to escape the bone marrow and contribute to immune defense.
Plant biologists at UC Davis have discovered a reliable method for producing plants that carry genetic material from only one parent, which could dramatically speed up the breeding of crop plants. The technique uses genome elimination to eliminate half the chromosomes, resulting in haploid plants that are immediately homozygous.
NASA satellites track Tropical Storm Omais in the Philippine Sea with maximum sustained winds near 46mph. The storm is expected to continue moving northwest and dissipate by the weekend.
A genome mapping technique has been demonstrated to speed up the process of finding specific genes by quickly identifying genetic associations. This method compares DNA sequences across multiple individuals and identifies similarities that narrow the scope of the search for a particular gene.
A study of 100 teen bloggers found that most used blogs to discuss positive activities like studying, spending time with family, and going to church. The teens' blog posts showed little evidence of risky behaviors, with only a few instances of complaining about boredom or feeling negative emotions.
A new model forecasts Atlantic croaker population increases and shifts due to climate change, with potential for higher yields. The study demonstrates the importance of considering environmental factors in fisheries management.
Researchers have developed biocompatible flexible electronics that can map large areas of tissue at once, monitoring electricity coursing through a beating heart. The technology has the potential to redefine design strategies for advanced surgical devices and implants.
Older adults remember past experiences positively due to strong brain connections between emotion and memory regions. In contrast, young adults lack these connections, making it harder to recall positive events.
Researchers found that pandemic influenza viruses from 1918 and 2009 share a structural detail that makes them susceptible to neutralization by the same antibodies. Vaccination with either virus can generate cross-reactive antibodies capable of neutralizing the other virus.
Researchers developed a vaccine targeting an abnormal protein MUC1, found in both IBD and colon cancer. The vaccine delayed IBD development and reduced inflammation, reducing cancer risk.
Researchers found that image recognition and memories are stronger when neurons fire in sync with local theta waves during the learning process. The study also established a direct relationship between individual neuron spike timing relative to theta oscillations and human behavior.
John Tate has made significant contributions to the field of algebraic number theory and arithmetic geometry. His work has resulted in the creation of fundamental concepts and the development of lasting impact on modern mathematics.
Researchers at the University of Leeds have discovered how two proteins manipulate nerve cells to send pain signals, offering a new target for painkillers. This breakthrough could lead to more effective and safer pain treatments by targeting peripheral nervous system.
Scientists have developed a revolutionary technology to produce isoprene, a key tire ingredient, from renewable biomass sources such as sugar cane and switchgrass. This innovation aims to reduce the tire industry's reliance on crude oil and create a more sustainable future.
A team of scientists predicts that warmer temperatures in the Arctic will create challenges for seabirds' nesting habits. The study found that increasing storm events, heavy fog, and wet snow will impact birds adapted to cold, dry summers, making them more susceptible to mortality.
Researchers at the University of Rhode Island have found that migratory birds prefer certain fruits rich in antioxidants and pigments. This study may provide insights into how humans can prevent disease through diet. The discovery highlights a potential partnership between plants and birds, where berries are eaten and seeds are dispersed.
Patients with metastatic breast cancer expect to prolong life by at least a year over current therapies, whereas doctors consider four to six months of additional survival significant. Thorough discussion of treatment goals is essential for both groups.
Research by University of Arizona's Lan Nguyen Chaplin finds that supportive parents and peers decrease teen materialism. Teens with emotionally supported parents and peers are less materialistic.
A Johns Hopkins team identified a class of chemical compounds that selectively slow down a tuberculosis protein's activity and block TB growth. The MetAP inhibitors have the potential to enhance existing therapy by targeting an essential enzyme in the bacteria's survival.
Researchers have discovered a new material that can remove up to 90% of carbon dioxide from flue gases, offering a potential solution for reducing greenhouse gas emissions. The material, derived from aminosilicones found in hair conditioners and fabric softeners, is cheaper and more efficient than current technologies.
A study found that hand and feet massages provided consolation to 18 bereaved relatives, reducing feelings of loneliness and empty space. The massages helped participants balance grief with adapting to life after loss, promoting physical touch and closeness.
Researchers at Brown University have identified how protein phosphatase 1 (PP1) regulates substrate proteins by binding to specific sites, increasing specificity and reducing errors. This discovery sheds light on the enzyme's critical role in various diseases, including cancer and Parkinson's disease.
Researchers identify zebrafish heart cell population that regenerates cardiac muscle cells, challenging traditional view of stem cells in regeneration. Human hearts cannot replicate this process, but finding could provide insight into hibernating mammalian cardiomyocytes and potential regeneration strategies.
A large population-based study of diabetes in China estimates that 92.4 million adults age 20 or older have diabetes, while 148.2 million adults have prediabetes, a key risk factor for cardiovascular disease. The researchers recommend national strategies for preventing, detecting and treating diabetes.
A new study published in Brain Injury found that traumatic brain injury can cause olfactory loss in patients, with frontal lesions more likely to result in impaired sense of smell. The study recruited 49 people with TBI and found that 55% had an impaired sense of smell.
A study by Rush University Medical Center found that flat, flexible footwear reduces the load on knee joints compared to supportive shoes. This can be a significant factor in preventing osteoarthritis, which is characterized by higher-than-normal loading on the knees during walking.
The WPI research team aims to develop powerful diagnostic tools that can predict the likelihood of plaque rupture, which is responsible for most heart attacks and strokes. The new NIH award will enable the team to extend their research on arterial plaque development and predict potential rupture.
Research suggests locoregional recurrence after long disease-free interval is associated with distant disease rather than cause. Patients with recurrence have four times higher risk of metastases and eight times higher risk of dying compared to those without recurrence.