A study by UT Southwestern Medical Center found that automation in hospital information systems was associated with decreased fatalities, lower costs, and shorter lengths of stay for patients with various medical conditions. Hospitals with well-designed technology systems had better patient outcomes.
Researchers found a genetic variation in the HGF gene that increases breast cancer risk, suggesting shortening of a DNA region called DATE could be a useful marker. A study also revealed that high-fat diets can lead to insulin resistance by damaging mitochondria and increasing oxidative stress, but antioxidants may mitigate this effect.
Researchers found that firefly luciferase tests can produce false positive results, which may impact the screening process. The study's findings suggest more work is needed to ensure the accuracy of the screening process.
Migraine affects millions worldwide, causing substantial decreases in functioning and productivity. Recent clinical studies suggest it may be a progressive disease with cardiovascular and neurologic effects, requiring major reconsideration of treatments.
A researcher at the University of Texas at Austin has identified a statistical method to select people for secondary security screenings more efficiently and fairly. Square root bias sampling can reduce resource waste by screening individuals from higher-risk groups less frequently while still prioritizing them.
Scientists have discovered a link between chronic inflammation and colon cancer, with the Stat3 protein playing a crucial role in tumor development. The study found that stimulation of Stat3 by inflammatory chemicals promotes cell survival and growth, leading to increased colonic tumor incidence.
Researchers found that Snail1 promotes tissue invasion and angiogenesis in cancer cells by stimulating fibroblast function. Fibroblasts without Snail1 are less able to degrade the extracellular matrix and form invadopodia, key structures for cell invasion.
Researchers discovered that adding extra copies of a gene makes a protective protein neutralize toxic chemicals in the brain, preventing cell death. This breakthrough could offer profound protection against neurodegenerative diseases like Alzheimer's and ALS.
Scientists from Denmark and Australia have established an error-free speed-reading record using a compact ultra-fast component, reaching 640 Gbps. The new technology allows for faster network speeds and opens the door to even higher data rates approaching terabits/second.
Researchers at Ohio State University found that people consistently estimated the length of road dashed lines to be only two feet, despite them being 10 feet long. This misperception has implications for traffic safety, as drivers may be underestimating their speed and covering more ground than they think.
Mammography utilization in the US declined slightly between 2000 and 2006, with 34 states showing a decrease, according to a CDC study. The decline ranged from -0.3% to -5.3%, with no clear pattern among states by region, age, income or population density.
A study found a significant increase in quinolone-resistant gonorrhea from 2% to 28% in Ontario between 2001 and 2006. Infections among heterosexual men are linked to the rising rate of resistance.
A modeling study reveals that Katrina-flooded homes can harbor hazardous contaminants in the air, posing significant health risks to residents and first responders. The study identifies inhalation exposure routes through volatile and semi-volatile organic pollutants, highlighting the need for better preparation and safety protocols.
A new study from the University of Minnesota finds that cellulosic ethanol has fewer negative effects on human health due to lower emissions of fine particulate matter. The study estimates that transitioning to cellulosic ethanol could reduce environmental and health costs by as much as half compared to gasoline.
A new study identifies miR-23 as a microRNA that regulates myelin formation and maintenance. By turning down lamin gene expression, miR-23 prevents demyelination due to lamin overexpression, offering a potential treatment for demyelinating illnesses.
A study by the University of Washington found that radiologists' perceived risk of malpractice lawsuits was four times higher than actual risk. This led to increased use of defensive medicine and potentially contributed to workforce shortages in breast imaging.
Researchers found little evidence that cataract surgery accelerates age-related macular degeneration (AMD) progression. The study also explored how people assess age and fatigue through gaze patterns, revealing the eye region as a key area of focus.
Researchers have discovered a gene expression signature associated with survival in advanced ovarian cancer. The study identified specific genes and pathways that correlate with overall survival, providing potential targets for therapies and personalized treatment strategies.
This issue of Cold Spring Harbor Protocols features two protocols: one for stem cell differentiation using the OP9-DL1 system, and another for RNA interference in plants using viral vectors. These methods provide new tools for understanding T-lymphocyte lineage commitment and gene silencing in plants.
Adolescents and young adults who are heavy users of marijuana are more likely to have disrupted brain development, according to a new study. The researchers found abnormalities in areas of the brain involved in memory, attention, decision-making, language, and executive functioning skills.
Dr. Dennis Hall's research reveals new ways to activate organic molecules, leading to significant uses for compounds like amides in pharmaceutical drugs. His work contributes to making chemistry more environmentally friendly by increasing efficiency and reducing waste.
A new study published in Psychological Science found differences in recovered memories of childhood sexual abuse, with some individuals prone to false memories and others forgetting earlier recollections. The research suggests that clinicians should consider the context of recovered memories to effectively treat patients.
Scientists have developed a new imaging technology that produces the best three-dimensional resolution ever seen with an optical microscope, allowing them to pinpoint fluorescent labels in all three dimensions. This breakthrough will help reveal how biomolecules organize themselves into cellular structures and signaling complexes.
Research identifies Interleukin 6 (IL-6) and STAT3 as key players in colitis-associated cancer development. The study suggests that targeting these proteins may be effective in preventing and treating CAC, a serious complication of inflammatory bowel disease.
The Office of Naval Research (ONR) has been selected by the Pentagon to manage a critical joint training program, known as FITE JCTD, which aims to develop realistic, live-action virtual environments for warfighter training. The program is expected to address joint, coalition and interagency gaps in training capabilities.
A study by Rutgers University scientists found that both humans and mice are proficient in assessing risk, challenging traditional views of human decision-making. The research suggests that risk assessment is a programmed cognitive mechanism that is present in many animals.
A study found that teenage media exposure was associated with depression symptoms in young adulthood, particularly among men. The researchers used data from the National Longitudinal Survey of Adolescent Health and found that participants who watched more television had a higher risk of developing depression.
A Canadian Medical Association Journal editorial warns of the dangers of excessive salt intake, citing that populations with very low salt consumption have no hypertension. The authors recommend a maximum daily intake of 2.8g for active young people and 2.2g for older adults.
A new study found that animal oocytes cannot fully reprogram adult human cells, making them unsuitable substitutes for producing patient-specific stem cells. The researchers tested using oocytes from cows, rabbits, and humans, but failed to achieve the necessary gene expression changes.
A study found that higher placental corticotropin-releasing hormone (pCRH) levels during pregnancy are associated with a greater risk of postpartum depression. The predictive capability of pCRH levels increased when midpregnancy depressive symptoms were also assessed.
UCLA researchers have created a non-invasive probe that enables real-time monitoring of chemotherapy drug activity in living bodies. This allows doctors to quickly pinpoint the most effective treatment and personalize it to each patient's unique biochemistry, reducing wasted time and toxic side effects.
A study by the USDA Forest Service found that aerial application of laminated flakes containing verbenone reduced mountain pine beetle attack rates by three-fold in California and Idaho. The technique could provide a large-scale solution to slow the spread of the beetles, which are devastating lodgepole pine stands across the West.
Researchers describe a technique to determine tumor blood vessel leakiness using digital mammography, allowing prediction of chemotherapy efficacy. The method is closely correlated with the ability of clinically approved chemotherapy agents to enter tumors.
Researchers at Monash University have made a breakthrough in treating malaria by deactivating the parasite's digestive machinery. The discovery could provide treatment for millions of people worldwide and offers hope against drug-resistant malaria.
A new study identifies a hotspot for toxic harmful algal blooms (HABS) in the Strait of Juan de Fuca, which can trigger blooms and force shellfish bed closures. The research aims to provide early warnings to protect human health and reduce economic losses due to biotoxin accumulation.
Researchers compared four different strains of Coxiella burnetii to build a comprehensive picture of its genetic architecture and content. They found that strain virulence was associated with a smaller genome and the loss of genes, possibly due to pseudogene formation.
Researchers discovered that idiopathic QT interval prolongation significantly increases the risk of sudden death among coronary artery disease patients. The study found a five-fold increase in odds for abnormally prolonged QT intervals of unknown etiology, highlighting its potential as a predictor for sudden cardiac death.
Cuba's comprehensive model emphasizes healthy development before conception, continued support through preschool education programs. Dr. Wilbert Keon suggests integrating polyclinics, collaborative programs, and research to optimize health and well-being in Canada.
Researchers at Duke University have developed a new technology that can detect how cancer cells respond to chemotherapy in just hours, rather than weeks. This allows for quicker diagnosis and potentially more effective treatment.
The Virginia Tech-CIMSS-PAC team develops a suite of new technologies to monitor bridge structural integrity. The proposed 'Bridge Prognostic System' uses piezoelectric materials and acoustic emission sensing to detect cracks, providing real-time data for decision-making.
A new technique combining CT with fiber-coated surgical microcoils successfully locates and removes small lung nodules using video-assisted thoracoscopic surgery. The procedure results in less pain and faster recovery times compared to traditional thoracotomy, allowing patients to return to work within two to three days.
A comprehensive hospital discharge program reduced re-hospitalizations by 30% and improved patient self-perceived preparation for discharge. New immunochemical fecal occult blood tests (FOBTs) vary in detecting colorectal cancer, with sensitivity rates ranging from 25% to 72%.
Researchers at Brown University have successfully grown and assembled living microtissues into complex three-dimensional structures, advancing tissue engineering. The breakthrough could eventually reduce the need for certain kinds of animal research, with implications for basic cell biology, drug discovery, and tissue research.
A new study published in Epilepsia found that vigabatrin treatment in infancy may be effective in reducing infantile spasms with a lower risk of permanent visual field defects compared to adults. The study used kinetic perimetry to detect peripheral field defects and found normal visual fields in 15 out of 16 children.
The September 11 attacks caused heightened levels of stress and anxiety, particularly among those closest to the World Trade Center. This stress impacted day-to-day behaviors like driving, leading to a significant increase in traffic fatalities in the Northeast region.
Patients with intermittent claudication may benefit from supervised exercise instead of revascularization. After six and 12 months, patients experienced similar improvements in functional capacity and quality of life scores.
New rodent findings show that dietary zinc supplements throughout pregnancy can reduce some alcohol-related birth defects. Zinc supplementation also increases the mother's blood zinc to prevent fetal zinc deficiency and subsequent fetal damage.
Researchers found that exposing bacterial colonies to the same chemical signals they use to fend off competition causes them to kill each other, reducing their population. This strategy is unlikely to develop resistance and may offer a new hope for fighting bacterial infections.
Peter Serlemitsos, a NASA astrophysicist, has made significant contributions to the development of X-ray detectors and telescopes. His work enabled decades of scientific advances in high-energy astrophysics, including pioneering instruments aboard OSO-8 and ASCA missions.
A study forecasts drastic reductions in mammography professionals per woman age 40, threatening early detection rates for breast cancer. The number of radiologists and technologists is projected to decline significantly over the next 15-20 years.
Experts advise against routine cardiac imaging exams for those without heart disease symptoms due to low-dose radiation risks. However, scans are still recommended for patients with symptoms or at high risk of heart disease, as the benefits outweigh the small potential risks.
Genes and psychological adversity in childhood contribute to major depression, with current treatments limited by delayed onset and adverse outcomes. Research is needed to explore how genes interact with environmental variables to influence major depressive disorder risk.
Researchers discovered that optical illusions, like the Rotating Snakes illusion, activate the brain's motion-perception area, suggesting a bottom-up process rather than imagination. This finding has implications for designing instrument panels and multimedia content to avoid motion sickness.
Research suggests that positive contact between groups can lead to improved attitudes towards the advantaged group, but also reduces awareness of inequality and decreases support for social change. Encounters emphasizing both common connections and problem inequalities can promote intergroup understanding and recognition of change.
A study found that individuals with mental illness were more likely to report violence if they also had a history of substance abuse or dependence. However, severe mental illness alone did not predict future violent behavior.
A clinical decision model using MR spectroscopy can help patients avoid unnecessary biopsies and treatments by identifying whether a new lesion is due to a recurrent tumor or post-radiation changes. The technique analyzes ratios of three metabolites, including choline, creatine, and NAA, to determine the likelihood of a recurrent tumor.
Jeffrey Sachs, director of Columbia's Earth Institute, wins the 2009 Green Book Award for his book 'Common Wealth,' which proposes solutions to extreme poverty and related global problems. The award recognizes the book's practical value in addressing environmental issues.
A study of 93,297 15-year-olds across 31 countries found that those who frequently went out with friends were more likely to report using marijuana. The decline in marijuana use among adolescents may be attributed to a decrease in evenings spent out with friends.
A study published in JAMA found that dexmedetomidine reduced delirium prevalence and improved extubation times compared to midazolam, a commonly used sedative drug. The medication also showed a lower risk of bradycardia but higher tachycardia rates.
A new study reveals how US News & World Report rankings discipline and punish law schools, forcing them to compromise their missions or be excluded. Law schools with public service or disadvantaged student missions are particularly affected, highlighting the transformative impact of rankings on educational institutions.
A meta-analysis of 8 large-scale observational studies found that SSRIs significantly reduced the risk of completed or attempted suicide in adults with depression. The study suggests that prescribing SSRI medications is safe for patients with major depression, but children and adolescents should be closely monitored.
A recent study published in the Canadian Medical Association Journal found that despite strict abortion laws in Peru, nearly 12% of women reported having induced abortions. The study, which surveyed over 8,000 women aged 18-29, highlights the need for improved access to contraception and education to reduce abortion rates.
Researchers developed peptide-guided hollow gold spheres that target and penetrate melanoma cells, then kill them when exposed to near-infrared light. The nanospheres achieve an 8-fold increase in tumor destruction compared to untargeted nanoparticles, demonstrating potential for minimally invasive cancer treatment.
Researchers found that women with elevated levels of corticotrophin-releasing hormone in mid-pregnancy are at higher risk for postpartum depression. The study, conducted by UC Irvine researchers, suggests that identifying these women early could help prevent or treat the condition.
Archaeologists have found significant evidence of an ancient altar and cult activity on Mt. Lykaion, dating back to the Late Helladic period around 3,300 years ago. This supports the theory that Zeus was born in Arcadia, as suggested by ancient Greek poet Callimachus.
The Arctic region is at risk of maritime accidents and oil spills due to limited infrastructure and increasing ship traffic, according to a new report. The report calls for strengthened international cooperation, improved logistical support, and updated weather data to mitigate these risks.
A Cardiff University research project found a link between prenatal smoking and anti-social behavior in children, but only when the mother was genetically linked to the child. The study suggests that factors other than smoking during pregnancy influence anti-social behavior.
Iowa State University researchers have developed a technique called tape-FISH that can test produce for Salmonella contamination in about two hours. This approach uses adhesive tape to collect a sample from the skin of the produce, which is then analyzed using Fluorescent In-Situ Hybridization.
Research challenges common perception that mental illness alone increases risk of future violence, instead finding mental illness combined with substance abuse to be a significant predictor. Other factors such as history of past violence, unemployment, and parental criminal history were found to be more predictive of future violence.
A recent study found that early soybean planting from April to May consistently resulted in higher yields. However, oil concentration was higher at early plantings, while protein concentration was better when planted later in the season.
A Weill Cornell Medical College study reveals that proBDNF, a neural growth factor, is present during the perinatal period when brain circuitry and memory-encoding regions are refined. The research provides new insights into how the brain is wired and how this wiring is refined, particularly during developmental stages.
A new re-engineered hospital discharge program, RED, has been designed to reduce hospital utilization within 30 days of discharge. The study found that the intervention resulted in a 33.9% lower observed cost for patients who received the program compared to those in the usual care group.
A study found that American consumer awareness of trans fats increased significantly between 2006 and 2007, with 92% of consumers aware of the term. However, despite this increase, many respondents struggled to identify food sources of trans fats.
The American Institute of Aeronautics and Astronautics has published a new book on emerging science of novel propulsion concepts like space drives and warp drives. Researchers Marc Millis and Eric Davis cover NASA's Breakthrough Propulsion Physics Project, enabling human voyages to other star systems.
Research by the University of Exeter found that delivering organic vegetable boxes can result in lower carbon emissions than visiting a local farm shop, especially for customers making long-distance trips. The study suggests that a more nuanced approach is needed to understand the environmental impact of food production and distribution
A new study from the University of Minnesota suggests that smaller chimpanzees use political behavior, such as grooming, to secure top positions rather than relying on physical aggression. This finding is based on 10 years of observations of dominant male chimpanzees in Gombe National Park, Tanzania.
A drug used to treat stroke patients may also improve learning and memory and reduce the risk of Alzheimer's disease, according to a new study. The active form of the parent drug Fasudil improved spatial learning and working memory in middle-aged rats.
A graphical analysis assesses the vulnerability of different US crops to pests, identifying soybean and maize as highly connected, while cotton and wheat are less connected. The study suggests encouraging cropping patterns that disrupt connectivity to minimize pest spread.
Astrophysicist Neil Gehrels receives the Henry Draper Medal for his groundbreaking work on gamma-ray bursts and active galactic nuclei. His leadership of NASA's Swift Mission has significantly advanced astronomers' understanding of these phenomena.
A University of Delaware study published in Arthritis Care & Research found that strengthening exercises for the quadriceps after knee replacement surgery significantly improves function and can even surpass that of a healthy adult. The study's results suggest that patients should be encouraged to participate in progressive quadriceps ...
Researchers found that asthma patients exhibit chronic airflow changes in their lungs, even with medication use. The study used MRI to visualize airway obstruction and revealed that many airways remained narrowed over time.
The Springer textbook has been recognized for its comprehensiveness and uniqueness in covering stratosphere-troposphere interactions. It provides information on various physical processes involved in the coupling between the two layers of the atmosphere.
A new study confirms that estrogen and progesterone increase the risk of breast cancer more than estrogen alone. The study suggests a two-year safe period for hormone replacement therapy.
Researchers use novel tools to quantify ecosystem services, including pollination and flood protection, with promising results for conservation efforts. High levels of biodiversity often correlate with enhanced ecosystem services, suggesting preservation as key to unlocking their value.
A US study found that most healthy children taking daily vitamins don't require them due to adequate nutrition from their diets. The study also revealed that children who face the greatest risks of vitamin deficiency are less likely to take supplements.
A new study published in Neurology, a journal of the American Academy of Neurology, found that higher education levels do not slow down the rate of memory loss. Despite initial improvements in memory and thinking skills with more education, these advantages did not translate to slower decline over time.
Researchers found that insulin shields neurons from toxic proteins in Alzheimer's disease, preserving memory-forming synapses. This discovery suggests a novel approach to treating the devastating disease by increasing insulin sensitivity in the brain.
Researchers at Rice University have successfully created nanocars that can move and operate at room temperature using fluorescent imaging. The breakthrough, led by Stephan Link, allows for the possibility of adapting these tiny machines to various applications beyond their original heated requirements.
A study found that African American parents are more likely to report distrust of medical research, which may present a barrier to enrolling their children in clinical trials. The authors suggest strategies such as culturally appropriate recruitment materials and community research advisory boards to overcome this distrust.
A new Mayo Clinic study reveals that younger men with erectile dysfunction are twice as likely to develop heart disease as those without the condition. Men with erectile dysfunction also face an 80% higher risk of heart disease over a 10-year period.
A study of 18,000 students found notable gender bias in student ratings of high school science teachers, with female teachers receiving lower evaluations than their male counterparts. Despite being equally effective at preparing students for college, female teachers were undervalued by both male and female students.
A study by Stanford University School of Medicine found that an 11-gauge needle is more effective in breast biopsy procedures compared to a 14-gauge needle. The results showed significantly fewer false-negative diagnoses with the 11-gauge needle, which also produces larger and more accurate specimens.
This issue of BioScience explores strategies for managing biological resources, including optimizing forest responses to climate change. The journal also examines the ecological roles of mesocarnivores and the impact of mercury contamination on sport fish in the Northeastern United States.
Researchers developed a precise orbit determination method for the Jason-1 satellite using on-board GPS data, achieving centimeter-level accuracy. The study found that the method provided highly accurate GPS-based solutions, with systematic biases between POE and orbit solutions and SLR residual statistics.
Researchers at Rush University Medical Center found that a cementless metal cup design remained fixed in place in 95% of hip revision cases after 20 years. The device's bone-in-growth surface allows for long-term stability and durability, reducing the need for repeat surgeries.
A team of researchers has discovered a new enzyme in Shewanella that works together to oxidize lactate, a food and energy source for many microbes. The discovery suggests that dozens of bacteria use this multi-protein enzyme instead of the single-protein version, which could help clean up toxic pollutants.
A vascular drug has improved spatial learning and working memory in middle-aged rats, suggesting potential benefits for cognitive function in humans. The findings support the use of the drug as a cognitive enhancer for age- or neurodegenerative-related memory dysfunction.
Researchers at George Mason University have developed a DNA-based vaccine effective in protecting mice from adenovirus-3. The vaccine's affordability and stability make it a promising solution for preventing this devastating infection.
Researchers developed a composite metric of maternal-drinking measures that can predict prenatal neurobehavioral dysfunction and deficits in children, identifying over 62% of mothers as drinking at risk levels. The metric was more successful than individual measures in predicting poor child cognition and behavior problems.
A study published in the Journal of Nutrition reveals that quercetin can help prevent colon cancer by reducing inflammation and promoting apoptosis. Quercetin is a natural compound found in many plant-based foods, including vegetables and fruit.
Scientists have discovered 10 new amphibian species in Colombia, shedding light on the country's remarkable biodiversity. The discovery was made during a Rapid Assessment Program expedition in the Tacarcuna area, where approximately 60 species of amphibians were identified, including three glass frogs and three poison dart frogs.
Leading authors debate the best strategies to tackle ghostwriting, a form of scientific misconduct that undermines author accountability. Some advocate for regulations and explicit disclosure of writing assistance, while others argue against excessive controls that may not be justified by current evidence.
Researchers identified a DNA region controlling HGF gene activity and found shortened regions in most breast cancer patients, who were younger than those with normal lengths. This discovery suggests a potential marker for increased breast cancer risk and may be linked to other cancers overexpressing HGF.
Researchers discovered that atypical spitzoid tumors (ASTs) respond well to treatment, with 27 patients experiencing complete remission after a lymph node biopsy. The study suggests ASTs behave differently from other types of melanoma and may not be as aggressive.
Researchers have discovered phytoplankton in the Sargasso Sea that build cell membranes without phospholipids, using substitute lipids instead. This finding has significant implications for our understanding of cell biochemistry and could lead to rewriting fundamental principles.
A large number of U.S. children and teens take vitamin and mineral supplements, often due to lack of health care access or unhealthy lifestyle habits. These supplements contribute significantly to total dietary intakes of vitamins and minerals, highlighting the need for targeted screening and counseling by healthcare providers.
Stat3 promotes pro-cancer immune responses and inhibits antitumor immunity by stimulating immunosuppressive factors and inhibiting expression of chemicals critical for antitumor immunity. The study reveals a mechanism by which oncogenic pathways regulate the immune microenvironment to promote tumor development.
Researchers found that older killer whales nearing menopause have a 10% higher survival rate for their calves compared to younger females. This suggests that these older mothers may be more successful in rearing their young due to maternal experience and increased allocation of effort.
A new study found that PET/CT can identify precise location and extent of metastasis, offering a better prognosis for patients with inflammatory breast cancer. The imaging modality provides information on both primary disease site and disease involvement throughout the body.