The study highlights the need for improved screening and access to treatments for diabetic macular edema, a leading cause of blindness in diabetic patients. African Americans have a higher burden of diabetes-related vision loss due to problems with access to care.
Researchers developed a novel process to convert rice, parsley and vegetable waste into biodegradable plastic films with promising traits. The bioplastics have the potential to replace non-degrading polymers and provide a more environmentally friendly option for replacing synthetic plastics.
Researchers found that monthly transfusions reduced the risk of silent strokes and subsequent brain damage in children with sickle cell anemia. The treatment, which raises circulating blood levels and lowers sickled cells, also decreased the occurrence of painful crises.
Researchers successfully measured the vibrational motion of a single molecule for the first time, showing distinct behavior from larger molecular groups. This achievement demonstrates ultrafast spectroscopy at the single-molecule level, enabling new possibilities for quantum computing and single-molecule photonics.
A study found that elderly individuals with Alzheimer's disease have fewer inhibitory neurons, leading to fragmented sleep. The researchers discovered a correlation between the number of remaining ventrolateral preoptic neurons and sleep fragmentation, highlighting a potential link between aging and sleep disorders.
An analysis from University of Pittsburgh School of Medicine suggests acute hemodialysis may not decrease mortality in people with sudden kidney failure. The study found that patients who received acute hemodialysis had a nearly twice the risk of death compared to those who did not receive treatment.
North Carolina State University researchers have developed a technique to attach electrodes to moths during pupation, allowing for the monitoring of electromyographic signals. This enables better understanding of moth flight coordination and the development of remotely-controlled 'biobots' for search and rescue operations.
A recent study by University of Illinois professor Rebecca Sandefur found that 46% of respondents dealt with civil justice situations alone, while 16% took no action. The most common negative consequences reported were health impacts and financial problems.
A review of bronchiolitis treatment reveals a tendency to prioritize oxygen saturation levels over other clinical assessment tools. Clinicians are often less likely to admit patients with falsely high oxygen saturation levels, highlighting the importance of considering all available data.
Certain sunblock ingredients, like titanium dioxide and zinc oxide nanoparticles, can become toxic when washed off skin into ocean water. This toxicity affects phytoplankton, the microscopic algae that feed small fish and other marine animals.
Scientists found that ancient strains of tuberculosis were most closely related to those in seals and sea lions, suggesting the disease was transmitted from Africa to the Americas via marine animals. This discovery provides new insights into the origins of the disease and its spread among human populations.
A team of researchers from Arizona State University has discovered the genetic 'recipe' for lizard tail regeneration, which involves turning on at least 326 genes in specific regions. This finding may lead to the development of new therapeutic approaches for spinal cord injuries and birth defects.
Leading infectious disease experts argue that screening and isolating infected patients may not be effective in preventing MRSA spread. Instead, they recommend a broader approach focusing on reducing all hospital-acquired infections.
Chronic use of codeine-containing cough syrups is associated with brain white matter deficits, particularly in regions involved in impulse control. These changes are linked to increased impulsivity traits and correlate with the duration of CCS use.
Research finds that growing up in poverty can lead to a lower sense of control and impulsive decision-making, particularly in uncertain situations. Adults from poorer backgrounds tend to perceive challenges as beyond their control, leading to more impulsive behavior.
Researchers found that teenagers who got less than six hours of sleep per night had a 20% higher risk of being obese by age 21. This study provides the strongest evidence yet that lack of sleep raises risk for an elevated BMI, and emphasizes the importance of getting more than eight hours of sleep per night.
A US expedition has made a groundbreaking discovery, finding microorganisms thriving beneath the West Antarctic Ice Sheet. The team, led by Montana State University professor John Priscu, drilled down to Subglacial Lake Whillans and discovered an active ecosystem with archaea-based life forms.
A new study supports the use of newborn screening tests for severe combined immunodeficiency (SCID), a life-threatening condition affecting approximately 1 in 58,000 infants. The test identified 52 cases of SCID, with all patients receiving lifesaving treatments and 92% surviving.
Early Jurassic mammals in Wales developed specialized diets, with some favoring harder food like beetles and others softer foods like scorpion flies. This discovery suggests that competition drove the evolution of unique mammalian features, such as precise chewing and better hearing.
A study of 158 pregnant teenagers found nearly half engaged in pica behaviors, such as consuming ice and starches, which are also associated with lower iron levels. This can lead to anemia, premature births, and low birth weights, posing a significant risk to infant mortality rates.
A University of Oregon study found that high school athletes who return to activity within 60 days experience a significant regression in their balance and walking speed, affecting their ability to perform simple mental tasks. This regression was seen in 12 of 19 athletes, with 10 returning within less than a month.
Researchers at Yerkes National Primate Research Center discovered that the amygdala has an inhibitory effect on stress hormones during early development, contrary to adult responses. Monkeys with neonatal amygdala damage show increased cortisol levels and elevated CRF, yet exhibit reduced fear and aggression.
Ebola treatment expert Jesse L. Goodman advocates for expedited studies of promising treatments while prioritizing patient safety. He suggests completing basic safety studies in healthy humans before treating sick patients.
Tropical Storm Lowell has a well-organized band of thunderstorms on its south side, which is intensifying according to satellite imagery. The storm is expected to strengthen due to favorable conditions, including low shear and high moisture.
A new study found that abusive supervisors can infect entire teams with conflict, hurting productivity. Researchers discovered that individual employees who experience abuse also cause their teammates to become hostile and mistreat one another.
Researchers use simulation techniques to characterize the mechanisms of knot formation in DNA strands as a function of nano-channel diameter. Below 50 nanometers in diameter, knot formation decreases dramatically.
New research by University of British Columbia scientists found that sockeye salmon forced to 'sprint' through fast-moving waters are more likely to die during their upstream migration. The study, published in Physiological and Biochemical Zoology, suggests that excessive burst swimming creates stress and impairs survival.
Scientists have found that people with irritable bowel syndrome (IBS) have a defective immune system, which is the primary reason for ongoing gut pain and reduced effectiveness of pain treatments. This groundbreaking research could lead to more targeted treatments for IBS sufferers.
Researchers have developed a semi-artificial leaf that outperforms natural photosynthesis, achieving higher photocurrents and electron transfer rates. This breakthrough enables the development of cheaper and flexible solar cells for various applications, including micro-sized medical devices.
A team of researchers at Australian National University has successfully replicated a crucial step in photosynthesis, paving the way for biological systems powered by sunlight to manufacture hydrogen as a fuel. This breakthrough could lead to the creation of a zero-carbon replacement for petroleum products and transform the economy.
Researchers found land snail shell remains from ~30,000 years ago in Cova de la Barriada, Spain. The discovery suggests that ancient human populations used snails as a food resource in Europe ~30,000 years ago.
The Oklahoma Medical Research Foundation has received a five-year, $14.5 million grant from the National Institutes of Health to continue its research on anthrax and its effects on humans. The project aims to identify new vaccines and drug targets by studying the human immune response to anthrax bacteria.
Researchers at Vanderbilt University have found that endothelial cells in the coronary arteries can function as cardiac stem cells to produce new heart muscle tissue. This discovery could lead to new treatments for heart failure and repair after a heart attack, particularly in cases of coronary artery disease.
Researchers found that information elaboration discussions are crucial for cross-functional teams to succeed, particularly in dynamic environments. Teams with members who can exchange relevant information and ideas, seek clarification, and integrate feedback tend to perform better.
Researchers at UTMB have developed a treatment effective against the lethal Marburg virus, which has a mortality rate of up to 90%. The treatment protected nonhuman primates from the virus when started three days after infection, showing promise for post-exposure treatment.
The Beaver Complex and July Complex wildfires in California have burned over 35,000 acres, with the Oregon Gulch Fire affecting 25,683 acres and the California fire burning 9,464 acres. The fires are currently 100% contained, but resources continue to be focused on hotspots.
A randomized clinical trial found that combining cognitive therapy with antidepressant medicine increases the odds of recovery by up to 30% for patients with severe, nonchronic depression. In contrast, chronic or mild cases do not benefit from this combination.
A UCLA-led study discovered a protein called interleukin-32 that helps protect people with latent tuberculosis from developing the active form of the disease. The researchers found that vitamin D levels play a crucial role in this protection, and supplementing with vitamin D may help prevent TB.
Researchers are leveraging parallel computing in the cloud to accelerate discovery and innovation in personalized medicine. By harnessing supercomputer powers, scientists can tackle previously infeasible problems and make groundbreaking discoveries.
A study found that high-mitotic rate melanomas are more likely to occur on the head and neck, grow rapidly, and be present in older men with a history of solar keratosis. These tumors have distinct clinical features, including nodular structure and amelanosis, which may pose a challenge to timely detection.
The new connectors are designed by an international standards process, reducing misconnection risks that can be fatal to patients. They will greatly reduce the occurrence of misconnections and ensure safer delivery of fluids, medications, or nutrition formulas.
A team of researchers has devised a method to rapidly test the structural materials used in nuclear reactors, closely replicating damage caused by high-energy neutrons. The technique uses high-energy ion beams to damage samples of ferritic-martensitic steel, allowing for the development of more resilient components for advanced reactors.
A new study by the University of Sydney reveals that emergency department nurses are more extroverted and agreeable than the general population. This is due to their ability to develop strong relationships with patients from diverse backgrounds, making them essential for high-stress work environments.
A new online tool will help doctors predict which patients are most likely to develop diabetes based on age, sex, and blood sugar levels. The calculator will enable doctors to identify high-risk patients for testing and offer lifestyle advice.
A survey of U.S. veterans receiving mental health services from the Veterans Health Administration finds general satisfaction, but also significant room for improvement among all areas studied. Patients who received treatment for substance use disorder were less satisfied and less likely to report symptom improvement.
Researchers discovered that water formation in biofuel conversion slows key chemical reactions, forming an impurity that disrupts the process. The study provides scientific principles to speed up biofuel development, benefiting processes that produce biofuels from plants.
Researchers found that post-menopausal women with higher levels of physical activity had a lower risk of developing atrial fibrillation, regardless of their weight status. The study's lead author notes that more physically active women were less likely to develop the condition.
A new study by Queensland University of Technology found that mothers trust the opinions of other mothers when recommending products, making online communities a powerful marketing tool. The study suggests that fostering word-of-mouth in these environments is crucial for businesses looking to increase sales.
Deforestation in Brazil has been linked to roads built across forests and agricultural expansion, particularly in states of Mato Grosso and Pará. The removal of forestland is converted to farms, ranches, or urban use, with the Brazilian national motorway BR 163 contributing to deforestation.
X-ray crystallography has revolutionized our understanding of molecular structures and their influence on various scientific fields. The technique's future holds intriguing possibilities, including potential transformations beyond its current form.
A study has restored a missing repair protein in skeletal muscle of patients with muscular dystrophy. Proteasome inhibitors enabled mutated dysferlin proteins to regain function and repair damaged muscle membranes.
Researchers at Norwegian University of Science and Technology discovered that eliminating nerve signals sent to cancer stem cells can suppress gastric tumor growth. Botox, commonly used for beauty treatments, was found to be highly effective in treating stomach cancer.
Two experts denounce clinical trials of highly implausible treatments, citing dubious science and lack of evidence. They advocate for science-based medicine, urging patients to exercise critical thinking when evaluating treatment options.
A team of researchers found significant security vulnerabilities in full-body backscatter X-ray scanners used at US airports between 2009 and 2013. They demonstrated how attackers could conceal firearms and explosives using low-tech techniques, showcasing the need for rigorous testing and independent evaluation.
A new study reveals that better communication of basic research results during the discovery stage can lead to faster commercialization. Biotech firms often give up on inventions and transfer technology to other firms for repurposing in a new disease category, causing time losses earlier in the pathway.
Researchers developed a chemically extracted acellular allogeneic nerve graft that combines with ciliary neurotrophic factor (CNTF) to promote sciatic nerve repair. The study found this method to be superior to bridging alone, but inferior to autologous nerve anastomosis.
A team led by Jill Mikucki finds microbial ecosystems in Subglacial Lake Whillans, supporting a diverse ecosystem that functions in the dark at subzero temperatures. The discovery has implications for life in extreme environments on Earth and in the solar system.
A randomized clinical trial found that patients with severe, nonchronic depression had better recovery rates when treated with combined therapy of cognitive therapy and antidepressant medication compared to antidepressant medication alone. Patients who received combined treatment also reported fewer serious adverse events.
A recent study found that minor infections like colds can increase the risk of stroke in children within a three-day time frame. The research, which reviewed a Kaiser Permanente database of 2.5 million children, suggests that infection has a strong but short-lived effect on stroke risk.
A new trial suggests that regular blood transfusion therapy can significantly reduce the recurrence of silent strokes and overt strokes in children with sickle cell anemia. The study found that monthly blood transfusions reduced repeat cerebral infarcts by 58% in children with pre-existing silent strokes.
Researchers found evidence that Mycobacterial tuberculosis genomes in Peru's human skeletons match animal lineages from seals and sea lions. This suggests marine mammals brought the disease to South America before European arrival. The study provides strong evidence for a complex history of tuberculosis transmission in the Americas.
A NIH-funded study found that regular monthly blood transfusions prevented recurrent brain blood vessel blockage in children with sickle cell anemia, reducing the risk of long-term cognitive problems and poor academic performance. The study suggests early screening for silent strokes can help manage the disease and prevent complications.
The 5th Lindau Meeting on Economic Sciences was opened by German Chancellor Angela Merkel, who stressed the importance of policy counselling by scientific experts. The meeting brings together Nobel Laureates and young economic scientists from over 80 countries to discuss future orientation of the discipline.
The study found that Shuganjieyu capsule increases brain-derived neurotrophic factor and phosphorylated cyclic adenosine monophosphate response element binding protein expression levels, reversing depressive-like behaviors. This increase may be one of the anti-depressant mechanisms of Shuganjieyu capsule.
Researchers have developed a recombinant adenovirus expressing Aβ-ABAD decoy peptide, which increases superoxide dismutase activity and decreases oxidative stress markers in PC12 cells. This study suggests that rAAV/ABAD-DP-6His may be a potential therapeutic strategy for Alzheimer's disease.
The number of people from Germany and the UK opting for assisted suicide in Switzerland has more than doubled between 2008 and 2012. Neurological conditions such as paralysis and Parkinson's disease account for nearly half of all cases, with women being 40% more likely to choose this option.
Research reveals that being obese in one's 30s triples the risk of developing dementia later in life. The study found an incremental decrease in dementia risk with age, suggesting that weight loss or delayed onset of obesity may lower the risk of dementia.
A new study suggests that minor infections like colds and flu can increase short-lived stroke risk in vulnerable children. The study found that the risk of stroke was highest within a three-day period after an infection, highlighting the need for infection prevention and vaccination to protect at-risk kids.
The study found that gram-positive bacteria, including staph and strep infections, accounted for 95 percent of endophthalmitis cases. The findings suggest better treatment with targeted antibiotics, but also highlight increasing resistance to certain antibiotics.
A new study finds that ticks carrying Lyme disease are active throughout the year in Northwest California, posing a constant threat. The researchers' findings suggest that residents should take precautions year-round and know the symptoms of the disease.
Monthly blood transfusions significantly lower the risk of recurrent strokes in children with sickle cell disease who have already suffered a silent stroke. Children receiving regular transfusions had a 58% lower risk of suffering repeat silent or overt strokes compared to those without treatment.
Researchers at UMass Amherst are part of a six-institution consortium creating CloudLab, a new instrument allowing scientists to run huge or very complex experiments on an enormous and flexible shared network of reliable, secure and fast computers. The project will distribute $10 million in funding among partner institutions.
Acral melanomas, which affect the hands and feet, have unique DNA damage patterns not caused by UV radiation. Researchers sequenced tumor samples and found distinct genetic faults driving this rare skin cancer. Understanding these faults may lead to better treatments for acral melanoma.
Scientists have developed a new gene technique to find disease-causing mutations in patients with brain malformations. The technique uses next-generation sequencing technology to sequence hundreds of copies of genes in a panel of candidate genes, identifying somatic mutations that were previously undetectable.
Researchers have mapped elevation changes in both Greenland and Antarctica using satellite data, revealing the ice sheets are losing volume at an unprecedented rate. The study shows that the two ice sheets combined are thinning at a rate of 500 cubic kilometres per year, contributing significantly to sea level rise.
Dallas high school students Dominik Fritz and Jason Barton discovered five new variable stars as part of the SMU QuarkNet program, analyzing data from a telescope in New Mexico. The discoveries have been accepted into the VSX catalog and will be forever linked with their students' names.
Scientists developed a new compound that targets the 'receptor' responsible for pain caused by chili peppers. The compound, tested in clinical trials, has shown promise in treating various types of pain.
A study found that orb-weaving spiders living in urban areas tend to have larger bodies and increased reproductive abilities compared to those in natural environments. The spiders' size is associated with the level of urbanization, with larger bodies found in areas with more hard surfaces.
Tropical Storm Karina is being affected by the larger circulation of Tropical Storm Lowell. As a result, it is expected to drift eastward and then northeastward with an increase in forward speed around the south and east sides of Lowell.
Researchers developed a modification to the core Android operating system that allows developers and users to plug in new security enhancements. The ASM framework enables custom security control modules to protect phones and enhance consumer privacy.
A study published in JAMA Surgery found that only 24.8% of women who underwent mastectomy in the US had breast reconstruction, with factors including race, education level, and age being significant predictors. The main reasons for not undergoing reconstruction were avoiding additional surgery or feeling reconstruction was not important.
Researchers at MIT developed a model to evaluate the performance of large PRO systems, finding that membrane size affects power generation. The team found that up to 95% of maximum power output can be generated using half or less of the maximum membrane area, reducing upfront costs.
A nationwide population-based study in Sweden found that six percent of men filled a prescription for antibiotics within 30 days after having a prostate biopsy, with a twofold increase in hospital admissions over five years. Men with prior infections or significant comorbidities were at highest risk.
Scientists have identified Mycobacterium pinnipedii in Peru skeletons dating back at least 1000 years, revealing seals as a source of pre-Columbian tuberculosis. This finding sheds new light on the history of the disease in the Americas and has implications for future vaccine development.
A new study by York University researchers found that juvenile songbirds, like wood thrushes, travel longer routes and take more frequent stopovers during their first migration than experienced adults. This delay may help young birds avoid intense competition for breeding sites.
Two commentaries in Annals of Internal Medicine emphasize the need for immediate Ebola vaccine deployment and cautious approach to containment plans. The authors argue that safety risks from vaccines are negligible compared to healthcare worker risks, while excessive measures can foster mistrust and increase risk.
Scientists have mapped the elevation changes of Greenlandic and Antarctic glaciers, revealing a record decline in ice sheet volumes. The study shows that Greenland is losing around 375 cubic kilometers of ice per year, while the West Antarctic Ice Sheet is thinning at a rate of 500 cubic kilometers per year.
Scientists detected unexpectedly high emissions of CCl4, a banned ozone-depleting compound, averaging 39 kilotons per year. This finding suggests unidentified industrial leakages or unknown sources contributing to the compound's persistence in the atmosphere.
Scientists have discovered that blocking nerve signals using surgery or Botox can slow stomach cancer growth and increase survival rates in mice. This finding offers a promising new treatment approach for this devastating disease, which affects over 2 million people worldwide.
The study reveals a higher incidence of SCID in newborns, with survival rates significantly improved through early detection and treatment. The expansion of newborn screening programs has led to better outcomes for affected infants.
A study at Huntsman Cancer Institute found compound mutations containing T315I confer complete resistance to all available TKIs, highlighting the need for new treatment options. Researchers have created a dataset that can help clinicians decide which drug will be most effective for each mutation combination.
A new commentary suggests China's high caesarean section rate is driven by factors such as provider incentives, cultural preferences, and the healthcare system's structure. The current rate of over 50% may be revised with the relaxation of the One Child Policy and an increase in repeat caesarean sections.
A new deep sequencing approach has identified subtle somatic mutations in patients with brain disorders, revealing previously missed genetic causes. The technique complements whole-genome and whole-exome sequencing, enabling the detection of mutations in as few as 10% of patients' blood cells.