Certain children with Type 1 retinopathy of prematurity benefit from early treatment, showing improved vision at age 6. In contrast, those with Type 2 disease do not see a significant benefit from early treatment at this age.
A new study based on women's self-reports suggests that many who live with chronic psychological abuse still see certain positive traits in their abusers, such as dependability and being affectionate. The study found that over half of the surveyed women (54%) saw their partners as highly dependable.
A new study found that just one pulse of artificial light at night damages circadian cell division, a key process affected in cancer. The research reveals changes in gene expression, including genes connected to cancer formation and anti-cancer defense.
African-American male youths are disproportionately represented in US prisons due to early-life conditions and educational system limitations. Implementing practices like parental engagement, teaching motor skills, and community mentorship can help counteract these challenges and promote a sense of acceptance and responsibility.
Researchers developed an experimental imaging technique using gold-silver nanocages to detect hollow nanocages and solid nanoparticles in the bloodstream, enabling clear images without background fluorescence. This method shows improved performance with higher contrast and brightness than conventional fluorescent dyes.
A Stanford University School of Medicine and Lucile Packard Children's Hospital study found that many patients with severe eating disorders are misdiagnosed due to restrictive diagnostic criteria. The study indicates that patients who barely meet the full diagnostic criteria for anorexia or bulimia may be just as sick, highlighting the...
Consuming foods with high glycemic index increases the risk of coronary heart disease in women due to higher levels of blood glucose and triglycerides. A study found that a diet rich in high-glycemic index carbohydrates, rather than overall carbohydrate intake, is associated with greater risk of heart disease in women.
A study published in Pediatrics found that adolescent drinking increases the risk of benign breast disease, a precursor to breast cancer. The study, which followed over 6,900 girls aged 9-15, showed that girls who drank more frequently had higher rates of benign breast disease.
A Purdue University study shows that grinding switchgrass into fine bits to improve its flowability is unnecessary, as it doesn't change the morphological characteristics important for flow. By milling switchgrass through a 6.4 mm screen, processors can save energy and money
A study found that individuals with Alzheimer's disease experience lean mass loss, which is associated with decreased brain volume and cognitive performance. This loss of muscle mass may be an early indicator of the progression of dementia, highlighting its potential as a sensitive measure for changes in body composition.
UCLA researchers have made a direct recording of mirror neurons in the human brain, showing they are more widely distributed than previously thought. The study found that specific subsets of mirror cells increased activity during action execution but decreased it when observing an action.
A study of 740 medical interns found that those with long work hours, medical errors, and a history of major depression were more likely to develop depressive symptoms. The study also identified a genetic variant associated with an increased risk of depression in high-stress situations.
Scientists discover that a small genetic change controls the response to pheromones in moths, allowing males to find female mates of their own species. This finding sheds light on the evolution of sexual communication and speciation in moths.
Researchers at the Salk Institute found that direct interactions between amino acids and nucleotide triplet anticodons helped establish matching pairs, leading to the modern genetic code. The study provides the first in vivo data shedding light on the origin and evolution of the genetic code.
A new endoscopic scanning technique called EPSS has been developed to detect dysplasia in Barrett's esophagus, a precursor to esophageal cancer. The technique uses polarized light scattering spectroscopy to identify cellular changes on a subcellular scale, enabling early detection and potentially improving treatment outcomes.
The University of Arizona Superfund Research Program will receive $14 million to investigate metal-laden dust, water contamination and their health effects. The program aims to minimize mine dust and water leachate, stabilize arsenic residuals, and monitor pollutant distribution in air and water.
Researchers discovered breast stem cells are exquisitely sensitive to oestrogen and progesterone, a finding that explains decades of evidence linking breast cancer risk to exposure to female hormones. The discovery also revealed the RANK ligand pathway is responsible for indirect control of breast stem cells in pregnancy.
Bacteria recognize and develop resistance to vancomycin through a specific sensing mechanism. The discovery provides new understanding of the molecular basis of vancomycin resistance and represents an essential first step in developing new antibiotics that can evade bacterial sensing mechanisms.
Researchers at MIT and Harvard developed a new sensor to measure the rate of cell mass accumulation, finding that individual cells exhibit varying growth rates. The discovery sheds light on how cells control their growth, with implications for understanding cancer development.
A team of MIT researchers has developed a novel method to mimic photosynthesis by splitting water into oxygen and hydrogen atoms using modified viruses as biological scaffolding. This process can be powered directly by sunlight, skipping intermediate steps, and shows fourfold improvement in efficiency.
A new method has been developed to identify genetic mutations in active genes, enabling studies of disease effects and improving diagnostic accuracy. This technique allows researchers to study specific cellular processes and identify minority cells in tissue samples.
The Kavli Institute at Cornell is shifting its focus from a think tank to a proving ground for pushing the limits of nanotechnology. Under new leadership, it will fund projects and researchers to create novel instruments and tools for next-generation microscopies and optoelectronic nanocharacterization.
A study by Einstein researchers suggests that a mutated protein accumulation may be key to understanding the disease. The defective huntingtin protein interferes with cellular autophagy, leading to toxicity and cell death.
The global maternal mortality ratio declined from 422 in 1980 to 320 in 1990 and 251 in 2008, with developing countries making significant progress. The study found that HIV accounts for nearly one out of every five maternal deaths, with six countries accounting for more than half of all maternal deaths.
Researchers at the University of North Carolina have discovered that the Ku protein plays a crucial role in repairing damaged DNA strands. This breakthrough has significant implications for understanding the development of cancer and other age-related diseases.
This BSSA tip sheet documents the long history of earthquake monitoring by the Southern California Seismic Network (SCSN), detailing its evolving sensitivity over time. Researchers also examine the predictive capability of models to estimate ground shaking during large earthquakes in the San Francisco Bay Area.
Scientists at University of Western Ontario discovered a biological link between stress, anxiety, and depression by identifying the connecting mechanism in the brain. A small molecule inhibitor was developed to selectively target depression and treat it more effectively.
Scientists propose general rules governing the assembly of filaments into thicker and twisted ribbon-like fibers using Atomic Force Microscopy images and polymer physics concepts. The model accurately predicts the formation of Amyloid fibers, with potential applications in understanding neurodegenerative diseases.
A British scientific expedition has discovered the world's deepest undersea volcanic vents, 5000 meters deep in the Caribbean. The team used advanced underwater technology to film and survey the seafloor, revealing slender spires of copper and iron ores erupting with superheated water.
Researchers propose using wireless nano sensors to monitor structures for early crack detection and structural damage. The feasibility study suggests these sensors could improve safety by detecting problems before they become critical.
A new simulation software called SportEvac is being developed to help stadiums evacuate large crowds quickly and safely. The software uses 3D virtual models of stadiums and simulates the behavior of thousands of people and cars in various scenarios.
Researchers discovered that transcription factor binding sites are not conserved across 300 million years of evolution. Despite this, these proteins still regulate liver-specific genes in vertebrates. This study highlights the plasticity of gene regulation and its implications for disease mechanisms.
Critically ill patients experience reduced muscle weakness, delirium and hallucinations when introduced to mild exercise programs, with recovery times speeding up by 2-3 days. Patients can exercise while attached to life support equipment, including mechanical ventilators.
A leading hospitalist argues that hospital medicine can address fundamental problems in payment and delivery systems, improving access for millions of uninsured Americans. Hospitalists will be key in shaping the future of the American healthcare system, focusing on quality, safety, and efficiency.
Scientists uncover clues to unlocking the origin and triggering mechanism of massive underwater volcanic eruptions, shedding light on Earth's geologic record. The study of Shatsky Rise, a 145 million-year-old supervolcano, provides insights into the processes of volcanism and plate tectonics.
Scientists developed a modern intelligent drug that inhibits platelet activity at cool temperatures, preventing blood clots during therapeutic hypothermia. The new drug loses its function when the body is rewarmed, minimizing bleeding problems.
A new study reveals that developing countries are increasing their own health spending, but international aid is sometimes replacing this funding in low-income countries. Channelling aid through NGOs can actually increase government health spending, highlighting the need for better transparency and accountability.
Research from Kansas State University found that businesses can create different marketing approaches for various groups based on the type of relationship they seek with customers. Online retailers should focus on enhancing trustworthiness through measures like Better Business Bureau association and secure data protection.
The US Department of Homeland Security is developing portable water purification systems to address the global issue of dirty water, which claims over a million lives annually. Several companies are participating in the SECURE program, creating self-contained and self-powered systems that can be used in emergency situations.
A new study found that developing countries spend more on healthcare than they receive in foreign aid, with sub-Saharan Africa being an exception. The researchers recommend improving transparency and accountability in financial reporting to strengthen the effectiveness of health aid systems.
Researchers at the University of Texas M. D. Anderson Cancer Center have developed a new way to predict prognosis in pediatric leukemia patients using a common complete blood count test. The study found that combining the minimal residual disease indicator and absolute lymphocyte count provides better results than MRD alone, identifyin...
A recent international study on osteoporosis in women has found that most postmenopausal women are not aware of their actual risk of debilitating bone breaks. The study, which involved over 60,000 women aged 55 and older in 10 countries, highlights the need for public education about osteoporosis risk factors and treatment.
A study found that nearly one in ten primary care physicians experience conflicts with religious hospitals, with younger and less religious physicians more likely to face these issues. Most physicians feel they should refer patients to another institution if clinical judgment conflicts with hospital policy.
A study published in BMC Biology found that male fallow deer vocalizations contain accurate information about their competitive abilities, which change dynamically with age. The researchers also discovered that the deer's vocal identity changes substantially from one year to the next.
The discovery of Australopithecus sediba, a 1.9 million-year-old human ancestor, has shed new light on human evolution. The fossilized remains, found in South Africa, exhibit features of both earlier bipedal apes and more recent Homo species.
Researchers developed a new endoscopic technique, the over-the-scope-clip (OTSC), to close chronic gastrointestinal perforations. The study successfully closed two gastro-cutaneous fistulas and suggests OTSC as a least invasive method for closing small fistulas or leaks.
A new initiative called Cell-All aims to equip cell phones with sensors capable of detecting deadly chemicals. The technology uses a chip costing less than a dollar and can alert the user and authorities in under 60 seconds, reducing false positives and improving response time.
Research published in World Journal of Gastroenterology found that fermented milk with Streptococcus thermophilus CRL 1190 exhibited therapeutic effects on chronic gastritis, particularly by modulating the immune response and increasing the thickness of the gastric mucus gel layer. This natural alternative may offer a potential treatme...
A new study found that stress can aggravate the impact of prior streptococcal infection on symptoms of Tourette syndrome and obsessive-compulsive disorder. The researchers identified a link between psychosocial stress and worsening tic and obsessive-compulsive symptom severity in children with Tourette syndrome and OCD.
A team of researchers from the University of Arizona revisited evidence pointing to a cataclysmic event that wiped out North American megafauna, including mammoths and Dire wolves. The study found no conclusive link between an extraterrestrial impact and the extinction of these species.
A new Europe-wide strategy for preventing type 2 diabetes has been developed, recommending lifestyle changes such as weight loss and increased physical activity to prevent the disease. The guidelines aim to halve the incidence of type 2 diabetes by implementing evidence-based prevention programs across European countries.
A study published in World Journal of Gastroenterology reports successful endoscopic resection of a large ileal lipoma using the modified endoscopic submucosal dissection (ESD) technique. The procedure, combined with endoscopic unroofing, allowed for complete removal of the lesion without complications.
A study comparing preoperative and postoperative chemoradiotherapy to surgery alone in patients with resectable esophageal squamous cell carcinoma found significant differences in overall survival and progression-free survival. Perioperative chemoradiotherapy maximizes long-term survival, but increases toxicity.
Scientists argue that a 'Global Fund for Health' would improve transparency and efficiency in international health aid. The current system masks variances, making it difficult to accurately trace health funding.
DISH is a common but often unrecognized systemic disorder that can lead to mechanical esophageal dysphagia in older adults. A recent study concludes that DISH should be considered an important cause of dysphagia among older adults, although it should not be accepted as the sole cause without ruling out other possible causes.
Research found a significant association between high LRP16 expression and early disease progression or death in patients with colorectal cancer. The study suggests that LRP16 expression may serve as a molecular marker for predicting prognosis.
The 'crowding out' effect occurs when governments use health aid to partly replace domestic health budgets, rather than supplement them. Possible reasons include reallocating funding to different sectors, stalling increases in recurrent health expenditure, or spreading spending over several years.
The Southwest Oncology Group's operating grants have been renewed for six years, with a total expected to exceed $120 million over the period. The renewal supports comparative effectiveness research and will primarily fund member institutions nationwide.
Scientists have uncovered key rules governing ferritin's self-assembling nanostructure, enabling potential breakthroughs in drug development and nanotechnology. The study may lead to creating biological nanostructures with precise dimensions for various applications.
ARS scientists have developed a method to access and ferment almost all plant sugars in wheat straw, boosting ethanol output by 93 gallons per ton. However, they also found that certain bacteria can infect ethanol plants, causing yield decreases of up to 27%.