A recent study published in JAMA found that hydroxychloroquine, a commonly prescribed treatment for primary Sjögren syndrome, did not improve symptoms in patients. The 24-week trial involved 120 patients and showed no significant difference between hydroxychloroquine and placebo groups.
Researchers found that bee tongues can be predicted by body size and taxonomic relationships, providing a valuable proxy for ecology studies. The study highlights the importance of tongue length in understanding species behavior, resilience, and invasiveness.
A genetic variant in the HMG CoA reductase gene has been identified as a significant protector against common Alzheimer's disease, delaying its onset by up to 4 years. This breakthrough discovery opens up new possibilities for treatment and pharmaceutical interventions.
A TGen-led study found that Cryptococcus gattii likely originated in Brazil and is highly adaptive, warranting global public health vigilance. The research identified new genomic targets for diagnostic tests, therapeutic drugs, and preventative vaccines.
Patients with a history of stroke are at higher risk for major adverse cardiovascular events and death after elective non-cardiac surgery. A recent study found that the time elapsed between stroke and surgery is critical in determining this risk, with those experiencing a stroke less than 9 months prior being particularly vulnerable.
Researchers at PTB have developed an experiment to measure the stopping power of tissue for carbon ions, which will improve dosing for cancer therapy. The study found that carbon ions are less strongly stopped in liquid water than in water vapour.
Research suggests that stricter math and science course requirements may lead to increased high school dropout rates, despite no corresponding increase in college enrollment or degree attainment. The study found varied effects across different demographic groups.
A study at Thomas Jefferson University found that using hypertonic saline during and after complex Whipple surgery reduced overall complication rates by 25%. The increased salt concentration helps to reduce fluid buildup and swelling, promoting faster recovery with fewer complications.
A novel study reveals that more than half of liver transplant patients want to be informed of donor risk at the time a liver is offered, with nearly 80% wanting to be involved in decision-making. The study aims to standardize patient information and involvement in transplantation decisions.
Researchers found that taking B vitamins had no effect on cognitive decline or reducing the risk of Alzheimer's disease in a meta-analysis of 11 clinical trials involving 22,000 participants. The study suggests that folic acid and vitamin B-12 can lower homocysteine levels, but not prevent the disease.
A new assay developed by Oregon State University can detect counterfeit malaria drugs at a cost of a few cents, saving thousands of lives annually. The technology uses paper-based microfluidics to verify the presence and level of artesunate, a crucial drug for treating serious malaria cases.
A lack of cardiac rehabilitation programs worldwide is a significant issue, particularly in low-income and middle-income countries. York University Professor Sherry Grace emphasizes the importance of integrating these programs into cardiac care to reduce deaths, re-hospitalization rates, and improve quality of life.
Researchers found that mobile display ads are effective for products with practical uses and high involvement, but less so for luxurious or low-involvement products. By understanding these nuances, marketers can optimize their advertising strategies and improve return on investment.
The study analyzed how cooperation among humans evolves across age groups, with younger participants exhibiting more volatile decision-making and a 'conditional cooperator' strategy. In contrast, older adults (over 65) showed increased cooperativeness, suggesting potential benefits for companies by keeping this group engaged.
A new skin gel form of tamoxifen has been developed and tested on women with non-invasive breast cancer, reducing cancer cell growth while minimizing side effects. The gel application was found to be effective in reducing blood clot risk associated with oral tamoxifen, offering a safer treatment option.
A major field project on the northern Front Range of Colorado will provide needed information to officials seeking to ensure healthy air. The study, FRAPPÉ, uses specially equipped aircraft, networks of ground-based instruments, and sophisticated computer simulations to track summertime ozone pollution.
Researchers have created a new test to quickly identify snakes infected with Ophidiomyces ophiodiicola, a fungus killing snakes in the Midwest and eastern US. The test allows for early intervention and potential treatment of infected snakes.
The ESPGHAN statement provides practical guidance on PEG tube placement and care, emphasizing the safety and effectiveness of this procedure for children with feeding and nutrition problems. The decision to insert a PEG tube should be made by a team experienced in carrying out the procedure.
A Rutgers University-Newark researcher is studying skilled readers to determine whether their choice of word meaning vs. word sounds impacts their reading ability. He found that good readers differ in how they use word meanings when reading aloud, with variations even among the most proficient readers.
A new study found that regular use of fish oil supplements was associated with a significant reduction in cognitive decline and brain atrophy in older adults. The study also showed that participants who took fish oil supplements demonstrated less brain shrinkage compared to those who did not use the supplements.
Elsevier's new open access journal Burnout Research aims to discuss and debate theories and applications of burnout. The first issue is now available on ScienceDirect, providing a central platform for researchers, practitioners, and policy-makers to share new ideas and information.
A team of researchers has created a way to induce normally mild-mannered cells to gobble up their undesirable neighbors by exploiting a molecular signal. This breakthrough could lead to therapies that enlist patients' own cells to better fend off infection and even cancer.
Researchers successfully manipulate 20 single bromine atoms on a sodium chloride surface to form the smallest 'Swiss cross' at room temperature. The achievement marks an important step towards next-generation atomic-scale storage devices and logic circuits.
The NOAA Magnetometer instrument is set to monitor magnetic field variations around Earth, enabling more accurate forecasts of space weather and its effects on orbiting spacecraft and electric power grids. The advanced technology will result in more timely and accurate weather forecasts, supporting public safety and economic health.
Researchers used game theory to study tumor cell cooperation and found that within certain ranges of mutation rates, critical transitions occur in energy metabolic strategies. This switch in tactics may make tumors vulnerable to disruption, potentially ideal for clinicians to test new therapies.
Researchers found rainwater can penetrate deep into the Earth's ductile crust, weakening rocks and initiating earthquakes. This discovery has significant implications for understanding earthquakes and the generation of valuable mineral deposits.
A new species of pontarachnid mite was discovered in a Caribbean mesophotic coral ecosystem, collected from nearly 70m depth. The study highlights the potential biodiversity hotspot for marine arthropods in these ecosystems.
A study published in JAMA reveals that physicians have difficulty recognizing the presence or absence of early HIV infection through clinical exam alone. Routine HIV testing is crucial for early detection and treatment, which can greatly reduce mortality and transmission.
Researchers found that Zhichan decoction increased dihydroxyphenylacetic acid levels up to 10-fold after neural stem cell transplantation, promoting the differentiation of dopaminergic neurons. This study suggests a potential treatment for Parkinson's disease using traditional Chinese medicine.
A recent study found that nearly 30% of completed clinical trials in the US remained unpublished after four years, threatening the validity of medical research literature. The lack of transparency was particularly pronounced among industry-funded studies and those with smaller sample sizes.
A new UK study reveals that a genetic defect in the melanocortin1 receptor (MC1R) may make people more susceptible to developing melanoma. The study found that MC1R defects contribute to melanoma development by delaying DNA repair and increasing cancerous mutations.
A study from Duke University found that the sex of children born to couples is linked to relationship conflict and pregnancy stress. Girls are more likely to be born into strained marriages, while boys may not survive such pregnancies as easily as girls do.
A new study suggests that getting patients in India quickly evaluated by the right doctors can be as effective at curbing tuberculosis as a highly accurate screening test. Improving access to Xpert MTB/RIF, a new TB test, could reduce new cases by 14.1 percent over 5 years.
Researchers found that stress can disrupt the process of fat tissue development, leading to issues with fat storage within cells and in the bloodstream. The study identified a key signaling pathway involving adenosine receptors and stem cell factors that regulates this process.
A study by Georgia State University researchers found that subtle variations in neural connections can impact behavior and susceptibility to brain injury. The findings have significant implications for predicting patient outcomes and tailoring treatments.
Researchers at Berkeley Lab and Intel have developed a new kind of resist that combines the best properties of two existing types, offering improved light sensitivity and mechanical stability. The breakthrough could lead to the creation of even smaller microprocessors with increased computation and energy efficiency.
Researchers found that global climate models fail to accurately represent the characteristics of airborne African dust, which influences Atlantic Ocean hurricanes. Surface waves in the central Beaufort Sea also play a role in energy and nutrient transport, contributing to ice retreat and potentially exacerbating coastal erosion.
Neuroscientists report defects in Fatty Acid Binding Proteins (FABPs) may explain pathology in schizophrenia and autism. Genetic disruption of Fabps in mice mimics disease behaviors seen in patients, suggesting a common link underlying these mental disorders.
A new study reveals which companies are most likely to become targets of anti-corporate activism based on their size, brand image, and reputation. The researchers found that companies with prominent brands and good reputations were more likely to be targeted by activists.
A new study published in JAMA found a 24% overall decline in first-time strokes in the US over the last two decades, as well as a 20% drop in deaths after stroke. However, progress was limited among younger people, while older adults saw little change in mortality rates.
Researchers found a significant presence of Treponema denticola, an opportunistic pathogen, in Oetzi's DNA mixture, supporting computer tomography-based diagnosis of periodontitis. The analysis also revealed Clostridia-like bacteria in a dormant state, which could impact future conservation efforts.
Research by Dr. Hyung-Seok Kim reveals that early expressions of hypoxia-inducible factor 1 alpha and vascular endothelial growth factor increase the neuronal plasticity of activated endogenous NSCs after focal cerebral ischemia. Additionally, neural precursor cells can be recruited from nearby areas to promote neurofunctional recovery.
Researchers found that a mutated CRISPR system in Francisella novicida bacteria makes them more vulnerable to antibiotics and immune responses. The study suggests the regulatory role of Cas9 in envelope integrity and membrane permeability, potentially impacting bacterial virulence.
A study by Saint Louis University found that parents of children with disabilities often have unrealistic expectations and lack empathy, increasing the risk of abuse. Parents who expect more from their children and don't empathize with their needs may become stressed and frustrated, leading to abusive behavior.
A study from Oregon State University found that young women with sexy social media photos are viewed by their peers as less physically and socially attractive. The research suggests that posting such photos may have negative consequences, including reduced task competence.
Tropical Storm Neoguri caused significant flooding in southern Japan, resulting in up to five deaths and 50 injuries. NASA's TRMM satellite data revealed heavy rainfall totals of over 520 mm near the Japanese island of Kyushu.
Researchers found that variation in generic drug appearance is associated with a greater risk of patients stopping their essential post-heart attack medications. Changes in pill color and shape are linked to increased odds of non-adherence, highlighting the need for healthcare professionals to warn patients about potential changes.
The Glasgow Coma Scale has become a practical method for bedside assessment of impairment of conscious level in acute brain injury. Professor Graham Teasdale examines the scale's original aspirations, criticisms, and its continued role in research and clinical practice.
Research finds physical fitness buffers adverse health effects of prolonged sitting, reducing associations with obesity, metabolic syndrome, and cardiovascular disease. Higher fitness levels are linked to reduced adiposity and improved metabolic measures.
A new study at Ohio State University found that experiencing stress before consuming a high-fat meal slows the body's metabolism, potentially contributing to weight gain. The researchers measured the metabolic rate and blood sugar levels of 58 women who reported one or more stressors during the previous day.
Researchers found that bonuses did not improve breast and cervical cancer screening rates, but increased colorectal cancer screening by 4.7% per year. The study suggests alternative strategies like targeted outreach and public advertising campaigns may be more effective in improving cancer screening rates.
A two-year study will examine the effects of cognitive behavioral and relaxation training on immune system functioning after surgery. Women who received these interventions reported reduced distress, improved mood, and enhanced emotional-well-being.
Research reveals the sequential expression of these factors after fluid percussion injury, suggesting a mechanism underlying hippocampal neuronal injury after TBI. The study provides new insights into the occurrence and development of hippocampal neuronal injury.
Research by Aarhus University scientists reveals that locally adapted honey bees are better equipped to handle environmental challenges and produce more honey. The study found that colonies with local queen strains lived 83 days longer than those with foreign queens, suggesting a critical role for genetic adaptation in bee survival.
Aquaculture contributes to reduced wild fish stocks, contamination with heavy metals, and antibiotic use. However, sustainable operations can provide jobs and nutritious seafood while conserving resources.
Research found ginsenoside Rb1 enhances PI3K/Akt and MAPK signaling pathways, promoting neuronal survival and neurite growth in the hippocampus. The study suggests potential anti-dementia effects of ginsenoside Rb1 in Alzheimer's disease.
Researchers found a significant association between higher dietary intakes of total ω-3 PUFAs and reduced risk for ALS. Consuming both α-linolenic acid (ALA) from plant sources and marine ω-3 PUFAs contributed to this protective effect, while ω-6 PUFA intake was not linked to ALS risk.
Researchers have developed a innovative technique called immunosignaturing to capture disease complexity, offering a marked improvement in detection over traditional methods. The technique uses a microarray to profile antibodies circulating in blood, demonstrating high accuracy in identifying multiple diseases.
Despite limited evidence, antibiotics are still widely prescribed to terminal hospice patients, with 27% continuing use in final week of life. This raises concerns about unnecessary side effects, adverse events, and antibiotic resistance.
Research at the Alzheimer's Association International Conference 2014 found that participating in mentally stimulating activities and moderate physical exercise in middle age may help protect against Alzheimer's disease. Additionally, high blood pressure was seen to protect against cognitive decline in people aged 90 and older.