Researchers found that glaucoma is more likely to progress with peak intraocular pressure of 18 mm Hg or higher, as well as cornea thinning and disc hemorrhage. These risk factors can help clinicians decide how aggressively to treat patients to slow glaucoma progression.
Researchers have discovered an evolutionary change 65 million years ago that may have set the pace for present-day flowering plants' rapid growth rate. The team measured vein densities in ancient leaves to determine when modern vegetation first appeared.
A £5M funding call aims to extract valuable chemicals from grain brewing co-products, enhancing the UK's biorefining industry and reducing reliance on fossil fuels. Researchers will focus on overcoming bottlenecks and developing new methods for increasing product value.
A new study of U.S. veterans ages 70 and older found that healthy seniors benefit most from current colon cancer screening methods, while less healthy veterans may experience a net burden. The study highlights the need to target screening for those who are likely to benefit and re-evaluate screening for those who are not.
Researchers have discovered a new compound, VUAA1, that directly stimulates the Orco co-receptor in mosquito odorant receptors, overwhelming the insect's sense of smell. The compound is thousands times more effective than DEET and works against flies, moths, ants, and other insects.
Approximately 14% of all strokes occur during sleep, preventing patients from receiving timely clot-busting treatment. Researchers estimate that around 58,000 people in the US go to the emergency department with a wake-up stroke each year.
A comprehensive study of 55,000 children in South Korea found that over two-thirds of Autism Spectrum Disorder cases were unrecognized and untreated. The research suggests that autism prevalence may be higher than previously thought, particularly in non-clinical populations.
According to a recent report, dementia and mild cognitive impairment are prevalent among 'oldest old' women, who are 85 years of age and older. The prevalence of these conditions increases with age, with the highest rates found in women over 90 years old.
Control of infectious diseases such as cholera, diarrhoea, Chagas disease, and those preventable by vaccination have been successful in Brazil. However, failures exist, including the ongoing public health problem of dengue fever and visceral leishmaniasis.
Three Ontario projects focused on biomonitoring, gene function, and synthetic antibody production will further knowledge and discovery in these fields. The funding will support the creation of new methods to monitor environmental change and improve treatment options for cancers.
A new Weill Cornell study found that teenagers who drink alcohol tend to spend more hours using computers for non-school-related activities. The survey of 264 teenagers also linked drinking to more frequent social networking and listening to music, but not to video games or online shopping.
Lubchenko investigates phase-change materials for ultra-fast computer memory and protein aggregation, potentially treating diseases like Alzheimer's. His work earns him prestigious Alfred P. Sloan Research Fellowship.
A new study from the Bradley Hasbro Children's Research Center suggests that teens who are offered free or low-cost rapid HIV testing are often willing to accept the test. The study found that 53% of teens in the age group accepted the test, with African-American teens more likely to agree.
A recent study at UCSD found that NOTES sleeve gastrectomy was effective and safe for morbidly obese patients, with no reported complications. The procedure eliminated the need for a large incision, resulting in shorter hospital stays.
Researchers at UCLA's Jonsson Comprehensive Cancer Center have developed a method to enhance the functionality of killer T-cells, which can help fight melanoma and other cancers. The study found that priming killer T cells with IL-12 increased their ability to recognize and target cancer cells.
A new study finds that gay men have a higher cancer prevalence than heterosexual men, with a 1.9 times increased likelihood of reporting a cancer diagnosis. Lesbian and bisexual female cancer survivors also experience poor health outcomes compared to heterosexual women, highlighting the need for targeted services.
Chronic diseases are a major concern in Brazil, driven by increasing prevalence of risk factors such as obesity, hypertension, and diabetes. The country has made significant progress in combating non-communicable diseases (NCDs), with age-standardised mortality rates declining by 1.8% per year since 1996.
A study on variant Creutzfeldt-Jakob disease (vCJD) was hindered by the Coroners' Society of England and Wales' refusal to collect tissue from autopsies. The authors argue that this decision ignored coroners' moral obligation to protect public health. A wider review of coroners' roles in public health measures is called for.
A new study reveals that young tyrannosaurs, like the 70-million-year-old Tarbosaurus bataar skull, used quickness and agility to catch prey. The juvenile's different lifestyle than adults suggests a change in dietary niches as animals grew older.
A study in Valencia reveals that nearly half of Spanish children aged 6-15 suffer from poor quality sleep and related problems. These children often lack regular bedtime routines, exacerbating their sleep issues and impacting their physical health and academic performance.
A recent study by Schepens Eye Research Institute found that a bioptic telescope on one lens of glasses used for low vision driving may not prevent the wider view of the road with the second eye. The study, published in May 2011 Archives of Ophthalmology, suggests that individuals wearing such telescopes can detect targets in the area ...
The Canadian Medical Association Journal calls for a new agency to investigate research misconduct, addressing conflicts of interest and promoting transparency.
A new study in the Journal of Consumer Research reveals that people often misjudge how experience duration affects emotional responses. Unlike good experiences where knowing the end date enhances enjoyment, bad experiences become more aversive when their duration is anticipated.
Innovative ads can induce consumers to think more creatively, altering the way they process unrelated ads. Researchers found that creative stimuli reverse typical persuasion patterns, with abstract thinkers responding better to concrete claims.
A study by University of Strathclyde researchers found EU flag exposure on public buildings has little effect on public opinion, but affects attitudes in Scotland and Wales at passport controls. The research suggests that unfounded beliefs about the flag's impact drove a split in the UK Coalition.
Detecting raging storms of molecular gas streaming away from galaxies for the first time, Herschel reveals powerful outflows that could halve a galaxy's star-forming capacity within one million years. This discovery offers insights into galactic evolution and negative feedback mechanisms.
The study shows that varying the shape or adjusting the inclination of the robot's head affects its movement in complex environments. By controlling the vertical motion, the robots can maneuver through debris-filled areas produced by an earthquake or landslide.
A new study in the Journal of Consumer Research examines how consumers consider opportunity costs when making purchases. Feeling constrained can actually lead to better decision-making as consumers weigh the benefits and trade-offs of a purchase. By balancing consideration of foregone options, consumers can make more satisfactory choices.
A significant proportion of young girls' clothing available online in the US is 'sexy' or sexualizing, according to a new study. The study found that 69% of clothing items studied had only childlike characteristics, while 25% had both sexualized and childlike features.
A study found that colonoscopies were performed more frequently than recommended in some older Medicare beneficiaries, while others went without necessary follow-ups. The researchers suggest that closer attention to screening rates is needed to ensure the procedure is reserved for those who can benefit from it.
University of North Carolina researchers presented three studies: meditation reduces irritable bowel syndrome symptoms and psychological distress; colonoscopy screening rates decreased among insured Americans during the recession due to high out-of-pocket costs; and diets high in fiber actually increase the risk of diverticulosis, not ...
Researchers found that vivid ads can create false memories of product experience, leading to strong attitudes and confidence. Decreasing brand familiarity and shortening the time between viewing the ad and reporting evaluations reduced the false memories in participants.
New lab experiments reveal that sulfur dioxide molecules are captured by the top-most surface water molecules when approaching a water surface at low temperatures, forming reactive aqueous particulates. The findings have important implications for understanding airborne pollutants and their role in global warming.
Scientists analyzed aphid movements and found they wander randomly, with some individuals moving very little or a lot. This discovery challenges the long-held idea of Lévy flights in animal behavior.
A recent study by University of Colorado researchers found that liposuction patients experience fat regain within one year, with redistribution to upper abdomen, shoulders, and triceps. Despite this, cosmetic shape benefits are retained, as participants reported being happy with their surgery results.
Physicians may be complicit in torture if they care for patients at the request of their torturers, but refusing treatment can abandon a patient in need. Guidelines suggest minimizing complicity by assessing consequences and following patient requests to mitigate or prevent acts of torture.
A study by Duke University researchers has found high levels of leaked methane in well water collected near shale-gas drilling and hydrofracking sites. The contamination was observed primarily in Bradford and Susquehanna counties in Pennsylvania.
A new study in the Journal of Consumer Research finds that consumers who set conservative goals tend to be less satisfied with their achievements, even when they meet their targets. People who believe their skills can be improved through practice are more satisfied with relatively low performance levels.
Research at DDW 2011 highlights the need for improved screening and treatment of pediatric liver disease, as well as the benefits of smaller colonoscopies in young patients. Additionally, studies show that college athletes involved in high-intensity sports have a higher risk of functional gastrointestinal disorders.
A new Johns Hopkins study suggests that older, sicker heart-transplant recipients fare significantly better at high-volume centers than low-volume centers. The research found a 67% increased risk of death after one year for high-risk patients transplanted at low-volume centers.
Research at Digestive Disease Week 2011 explores bariatric surgery benefits and risks, including increased hospitalization times and mortality rates in the elderly. Adolescents also show marked improvement in biochemical cardiac risk factors after Roux-en-Y gastric bypass.
A study published in the Journal of Pain and Symptom Management found that counties with higher median household incomes have a greater supply of hospice services. This suggests that wealthier communities are more likely to have access to these life-sustaining programs, which can improve pain control, maintain independence, and even ex...
A comprehensive study on autism spectrum disorders (ASD) in South Korean school-age children estimates that 2.64% of the population has ASD, affecting approximately 1 in 38 children. The study identifies previously undiagnosed cases and highlights the importance of early diagnosis and intervention.
Researchers at Columbia Engineering School have developed a new, non-invasive technique called Electromechanical Wave Imaging (EWI) to map the electrical activation of the heart. This breakthrough method could help doctors treat arrhythmias more efficiently and precisely.
Researchers discovered how semaphorin proteins guide nerve cell projections with precision, enabling intricate connections in the nervous system. This finding has implications for developing treatment strategies for repairing and regenerating damaged or diseased nerve cells.
The Einstein Aging Study will explore the relationship between cognitive and motor aging, as well as pain and stress, as novel risk factors for Alzheimer's. Researchers will assess biomarkers, genes, and neuro-imaging procedures to facilitate earlier diagnosis, prevention, and treatment of Alzheimer's disease.
Despite high murder rates and traffic-related injuries, Brazil has made progress in reducing violence, with the introduction of effective policies such as the zero-tolerance law. The country's geographical distribution of domestic violence and its impact on public safety also require attention.
Despite concerns about bias, most health professionals are unwilling to pay higher fees to eliminate commercial funding sources. The majority of respondents believe that commercial support introduces potential bias in CME activities.
A study found that restaurants 'cherry pick' parties by size, quoting longer wait times to undesired customers. This practice benefits small parties that spend more per person, and makes economic sense when there's excess demand for large parties.
A University of Guelph professor will use DNA technology to monitor and protect Wood Buffalo National Park, a world heritage site threatened by climate change and industrial development. The project aims to develop a DNA-based early-warning system to identify critical environmental stresses and measure ecological risk.
The Unified Health System (SUS) has been a key development in improving access to healthcare in Brazil. Despite improvements, the country faces aging population, rising obesity rates, and uneven distribution of healthcare services.
Researchers from NY Presbyterian/Columbia University Medical Center present studies on the prevalence of colorectal adenomas in racial and ethnic minorities, finding higher rates among blacks and Hispanics. Additionally, a study on single operator choledochoscopy reveals low interobserver agreement and accuracy among experts, highlight...
Recent research highlights exciting developments in ocular gene therapy, including potential treatments for age-related macular degeneration and retinal disease. Gene therapy strategies have shown promise in reducing cell death and slowing retinal degeneration.
A University of Gothenburg study found that high neuroticism and low conscientiousness can lead to lower medication adherence. In contrast, agreeableness is positively correlated with taking medication as prescribed. The researchers suggest different education and support approaches for patients with varying personality traits.
A Penn State study reveals that obesity impairs skeletal muscle function in rats, leading to impaired muscle strength and locomotion. The research suggests that the muscles of obese mammals are not properly 'tuned' to their body weight.
Researchers have created a new model using striped zebrafish to screen drugs for Cushing disease, allowing for rapid identification of effective treatments. The model has already shown promise with one drug suppressing hormone secretion and cortisol levels.
A study of Aboriginal youth in Canada found they use tobacco, illicit drugs, and alcohol at higher rates than non-Aboriginal youth, leading to increased health risks. The research highlights the need for culturally appropriate smoking cessation and substance prevention programs targeting Aboriginal youth.
Researchers at the National Institute of Allergy and Infectious Diseases (NIAID) have developed a highly sensitive blood test for detecting human prion diseases, which are fatal brain disorders. The new method improves upon previous tests by being 10,000 times more sensitive and can rapidly detect abnormal prion proteins in blood plasma.
Researchers found that estrogen-lowering drugs can shrink tumors and reduce mastectomy rates for patients with stage 2 or 3 breast cancer. Aromatase inhibitors, which block the production of estrogen, were shown to be effective in reducing tumor size and improving surgical outcomes.
A new study found that women participating in a mind/body program for stress reduction while undergoing IVF treatment had a significantly higher pregnancy rate (52%) compared to those who did not participate (20%). The study suggests that psychological distress may be an important detriment to IVF outcome.
A parasitic fungus infects tropical carpenter ants, causing them to become zombie-like and die in ideal conditions for the fungus. The fungus affects the ant's muscles, nervous system, and behavior, leading to a loss of coordination and death.
Researchers at Carnegie Institution claim that carbon emissions are more closely tied to consumption patterns than territorial boundaries. The study found that the average person in developed countries emits more CO2 per capita than their counterparts in developing countries, highlighting the need to consider all drivers of emissions.
The Nuffield Council on Bioethics proposes a framework to address ethical concerns in biofuel production, focusing on human rights, environmental sustainability, and fair trade. Biofuels are seen as a vital renewable energy source, but current policies have backfired, causing deforestation and displacing indigenous populations.
A growing seal population has led to increased damage to fish and fishing gear, highlighting the need for sustainable alternatives. Scientists have identified certain seals as specialists in attacking trap equipment, but also found that pot fishing can be a viable alternative to net fishing.
Researchers found that reading narratives allows us to assimilate into a character's world, leading to increased life satisfaction and positive mood. This process, known as collective assimilation, taps into our deep-seated need for social connection.
A large study found that allowing a period of observation for children with minor blunt head trauma reduces the use of head CT scans by half without compromising care. The study analyzed over 40,000 children and found that clinically important traumatic brain injury was equally uncommon in observed and non-observed groups.
A study found that consumers take on debt despite believing they should limit it, citing financial independence and social pressure as reasons. The researchers also discovered that credit use was viewed as essential for middle-class Americans to achieve basic necessities.
A study from Beth Israel Deaconess Medical Center found that nearly 3% of Americans using mind-body therapies were referred by a healthcare provider, suggesting a shift towards mainstream acceptance. These patients were sicker and used the healthcare system more than those who self-referenced for MBT.
A new study by Henry Ford Hospital researchers found that nurse-driven, open-access colonoscopy programs are as effective and safe as traditional consultations with a gastroenterologist. The study compared outcomes of 15,901 patients in an open-access program to 6,861 patients who received outpatient consultation prior to screening.
A Canadian study found that most nurses (71%) prefer using the dorsogluteal site for intramuscular injections, despite potential risks of sciatic nerve injury. Younger nurses were more likely to follow recommended best practices.
Researchers found that apigenin in parsley and celery can delay and reduce breast cancer tumor formation by blocking blood vessel growth. The study suggests incorporating these plant-based compounds into daily diets may help prevent breast cancer progression in women taking hormone replacement therapies.
A new blood-based test has the potential to diagnose Systemic Lupus Erythematosus (SLE) more quickly and accurately, allowing doctors to prescribe the right medication and prevent flares. The test uses a small chip to detect biomarkers in the body, creating a unique 'fingerprint' for each patient.
A team of researchers has deciphered the genome of a tropical marine organism, Lyngbya majuscula 3L, which produces substances with biomedical promise. The study provides insights into the genetics underlying their production and reveals key information about its limitations and shortcomings.
A study analyzed cost-effectiveness of strategies to treat infant tear duct obstruction, finding that immediate office-based probing surgery is more expensive than waiting but slightly less effective. The optimal approach depends on the spontaneous resolution rate, with varying costs and outcomes depending on the setting of intervention.
A team of MIT chemical engineers has created a new detector that can pick up a single molecule of an explosive such as TNT, surpassing the sensitivity of existing explosives detectors. The sensor uses protein fragments to recognize nitro-aromatic compounds and can identify unique 'fingerprints' for different explosives.
A mathematical approach has been developed to make complex combination vaccines more affordable for developing countries. The model considers key factors in providing accessible vaccines, including production capacity and pricing strategies.
A team of researchers has detailed the molecular mechanism by which FTY270 causes adverse effects in the lungs of mice with multiple sclerosis. The study suggests that developing a drug targeting S1P receptors on immune cells could provide a therapeutic with decreased side effects.
Stephen L. Boehm II, Ph.D., a behavioral neuroscientist at IUPUI, has been awarded the 2011 Young Scientist of the Year by the International Behavioural and Neural Genetics Society for his research on binge drinking's impact on gamma-aminobutyric acid neural circuits. His lab is also recognized for its mentorship of students.
A recent study published in the Journal of Conflict Resolution found that reducing unemployment does not decrease insurgent attacks against government and allied forces. The researchers tested this prediction in Afghanistan, Iraq, and the Philippines using survey data on unemployment and two newly available measures of insurgency.
Researchers have found that minute particles of pyrite from hydrothermal vents are a rich source of iron in the deep sea, providing a nutrient supplement for tiny plants and bacteria. This iron is released as these particles travel through the ocean, making them an important food source for life in the deep sea.
A Mayo Clinic study found that it takes an average of 275 procedures to reach minimal cognitive and motor competency in gastroenterology fellows performing colonoscopies. The research team used a validated testing method to assess the performance of 41 fellows who performed over 6,600 colonoscopies.
A report by Princeton University engineers suggests that removing carbon dioxide from the air is not a viable economic solution for slowing climate change. The study found that such technologies would be more expensive than preventing emissions in the first place.
The AGA recognizes individuals who have made significant contributions to gastroenterology through various awards, including the Julius Friedenwald Medal and Distinguished Achievement Award. These recipients are leaders in their field and have made remarkable impacts on gastroenterological practice and research.
A group of mitochondrial proteins, known as MTC proteins, has been identified by researchers at the University of Gothenburg as playing a crucial role in regulating the aging process. The study found that these proteins help to stabilize the genome and remove damaged proteins, leading to increased lifespan.
Scientists at Johns Hopkins University developed an approach to sensitize prostate cancer cells to radiation therapy by knocking down the expression of a gene responsible for DNA repair. Meanwhile, researchers at Weill Cornell Medical College found that a multiple sclerosis drug causes adverse effects in the lungs by degrading S1P rece...
Access to fresh and healthy foods is crucial for long-term food security, according to Michelle Kaiser. Increasing local food production can reduce economic and environmental impacts of transporting food, enabling people to avoid processed, unhealthy foods.
Researchers at the Ragon Institute identified variations in peptide stability that alter targeting of infected cells by CD8 T cells. The study found that specific mutations can reduce peptide stability, impairing immune response and increasing HIV resistance.
The study's genome-wide characterization of rust fungi may help develop control strategies for worldwide threats to wheat fields and tree plantations. Researchers uncovered evidence that both pathogens have large numbers of effector proteins, indicating co-evolution with host plants.
The new EarthScope National Office at ASU aims to explore and discover the 4-D structure and evolution of the North American continent. The program deploys thousands of seismic instruments across the US, providing unprecedented data on Earth's dynamics.
Scientists selectively sensitized prostate cancer cells to radiation therapy by knocking down a key protein repair gene. The approach shows promise for treating locally advanced prostate cancer, reducing disease recurrence.
A recent study published in the Canadian Medical Association Journal found that Canadian Inuit have similar diabetes levels to the general population, contrary to previous assumptions. Researchers analyzed data from over 2,500 participants and found that obesity rates were high among Inuit, with 28% being overweight and 35% obese.
A recent report from the National Institutes of Health found insufficient evidence linking modifiable factors to Alzheimer's disease risk. The panel concluded that large-scale studies and clinical trials are needed to answer these questions. Researchers urge individuals to maintain a healthy lifestyle despite current uncertainty.
A study found that CTPA screening led to a 81% increase in PE diagnoses, but only a 3% decrease in mortality rates. The authors suggest overdiagnosis due to the detection of clinically insignificant small emboli.
Researchers have successfully used oncolytic viruses to infect and kill pancreatic cancer stem cells, which are thought to cause disease recurrence and metastasis. This breakthrough could provide a potential therapy for pancreatic cancer patients, particularly those with tumors resistant to conventional chemotherapy and radiation.
Researchers at the Boys Town National Research Hospital found that noisy classrooms significantly affect young students' ability to learn. Meanwhile, a new study on deaf infants with cochlear implants shows they don't automatically know how to listen when people speak. Cognitive psychologists also explored the power of single words in ...
A new biomarker for diagnosing prostate cancer has been found to be more reliable than current methods, reducing false positives and unnecessary operations. The study, published in PNAS, uses a unique test that detects elevated levels of prostasomes in blood, which are released by cancer cells into the surrounding tissue.
German and US researchers have successfully calculated the Hoyle state, an energy-rich form of the carbon nucleus. This achievement is crucial for understanding how life began and may even allow answering philosophical questions using science.
Post-traumatic stress disorder (PTSD) occurs in 20-51% of patients with an orthopaedic injury, hindering recovery and daily activities. Effective treatment includes therapy, medications, and prevention strategies to mitigate symptoms and improve outcomes.
Researchers have developed a new technique for analyzing the local chemical composition and structure of nanoscale materials. The nano-FTIR instrument uses thermal radiation to focus light onto a sample, allowing for high-resolution imaging and spectroscopy of single nanoparticles or devices.
The Lancet series highlights Brazil's successes in healthcare, but also notes areas of concern such as high caesarean section rates and increasing obesity. The country's experience offers valuable lessons for addressing health inequities and implementing reforms to prioritize public health.
Researchers in China and Hong Kong found that Facebook usage improves academic and social integration among students. Students reported using Facebook to maintain friendships, share knowledge, and collaborate with peers, suggesting its potential in enhancing learning outcomes.
The Kunming Institute of Botany, part of the Chinese Academy of Sciences, and Springer are launching a new fully sponsored open access journal called Natural Products and Bioprospecting. This journal aims to serve as an international forum for essential research on natural products and their applications.
Studies found that psychological issues contribute to gastrointestinal symptoms severity, while low-intensity exercise decreases colon polyps risk, particularly among overweight individuals. Mindfulness meditation also improves IBS symptoms and reduces pain.
A new algorithm allows for high-capacity data hiding in executable files, providing a secure way to embed and conceal data. The technology can be used on various devices, including smartphones and tablets.
Despite significant improvements in child survival interventions and education, Brazil still faces challenges in reducing maternal mortality rates and increasing access to healthcare, particularly in rural areas.
A meta-analysis of proton pump inhibitor use found a 29% increase in fracture risk, particularly hip and vertebral fractures. Clinicians should carefully consider PPI prescription, especially for patients with elevated fracture risk.
Researchers found that teenagers assign great value to digital photos, music collections, and online artifacts due to their ability to be shared and personalized. The study suggests that technology design could incorporate a fuller appreciation of these sentiments, leading to new products and services.
Bats' varying ear shapes influence biosonar functionality, with implications for engineering applications such as SONAR and RADAR. The study's findings provide insights into the role of biodiversity in customizing general principles for different species.
Researchers found an 81% increase in PE incidence after CTPA introduction, with a decrease in mortality and case fatality rates. However, CTPA also led to a significant increase in presumed anticoagulation complications, highlighting the need for more precise diagnostic tools.
Brazil's unique national health service has improved health outcomes, but socioeconomic disparities and regional inequalities remain. The authors emphasize the need for coordinated action among government, private sector, academia, and civil society to address these challenges and secure universal access to healthcare.
A new study confirms that 'healthy' smokers exhibit gene expression changes similar to those of patients with moderate and severe COPD. Smoking is identified as a critical factor in causing these alterations. The findings support the need for developing new therapies to slow down COPD progression.
A study published in The Lancet highlights Brazil's success in reducing the burden of infectious diseases, but notes that some programs have failed to control diseases like dengue fever. Despite this, experts argue that investing in human and social capital has led to sustainable economic growth and improved health outcomes.
Researchers discover gamma deltaintraepithelial lymphocytes (γδ IEL) play a crucial role in maintaining friendly relations between gut microbes and intestinal lining. These cells patrol intestinal borders, sensing microbial invasion and producing antibiotic proteins to prevent rogue bacteria from spreading to deeper tissue.