Researchers at UNC Chapel Hill are conducting a clinical trial to determine if estrogen replacement therapy can help prevent depression and cardiovascular illness in women between 45-55. The study, funded by the NIH, aims to identify which women will benefit from estradiol treatment during perimenopause.
Researchers developed a groundbreaking nano-laser called Spaser, which can be as small as needed to fuel future technologies. The device uses surface plasma waves, allowing it to operate at speeds 100 times greater than current devices.
A recent study suggests that baby-led weaning, where babies feed themselves solid foods, is a feasible approach for most infants. However, it could pose nutritional risks for those who develop at a slower pace. The research recommends combining self-feeding with traditional spoon feeding to ensure balanced nutrition.
Scientists have found that thirdhand smoke, the invisible remains of cigarette smoke, can react with ozone in indoor air to form potentially toxic pollutants on surfaces. This can lead to adverse health effects, particularly for vulnerable populations like babies crawling on carpet or people eating food tainted by thirdhand smoke.
Research published in GENETICS suggests that being around the opposite sex activates genes in fruit flies that cause them to perform certain courtship behaviors. This study provides insight into the complex genetic machinery that affects social interactions, potentially leading to new understanding of disorders such as autism.
Researchers use NASA X-ray satellites to monitor a binary system with a massive black hole, discovering its rhythmic cycles, which drive the black hole's intake and growth. The study reveals the importance of radiation in preventing the black hole from ingesting too much material.
A McGill University study reveals that listening to pleasurable music releases dopamine, a key player in emotional responses. The anticipation of enjoyable music also induces dopamine release, supporting the idea that music serves as an abstract reward.
A new study finds that a measure of HDL function, called cholesterol efflux capacity, is more closely associated with protection against heart disease than HDL cholesterol levels. Increasing efflux capacity was linked to decreased likelihood of coronary artery disease and improved cardiovascular health.
The Panoramic Survey Telescope & Rapid Response System (Pan-STARRS) PS1 telescope has discovered ten Kuiper Belt residents, ranging in size from 180 to 300 miles, and is expected to find a whole range of objects including dwarf planets and comets.
Astronomers have discovered unexpected changes in the Crab Nebula's X-ray emission, revealing it is not as stable as previously thought. The findings indicate the nebula has brightened and faded by up to 3.5% a year since 1999.
Acute stress exposure changes brain function in the cerebellum, a region responsible for motor control and learning. The study found that a five-minute exposure to predator odor inserted GluR2 receptors, increasing electrical activity and altering output in mice.
Seven CAMH scientists receive NARSAD Young Investigator awards to conduct genetic, clinical, and neuroimaging studies guiding future treatments and personalized approaches for schizophrenia and depression. The research aims to enhance treatments and improve the lives of people living with mental illness.
A new study reveals that individuals with high leptin and low ghrelin levels are more likely to regain weight after dieting. Researchers analyzed the role of hormones in weight recovery and found a significant association between plasma levels of ghrelin, leptin, and insulin.
A new study by University of Oregon researchers found that pro-social friends and avoiding deviant peer groups are crucial for boosting academic success in middle school. In contrast, having friends who engage in problem behavior is related to a decrease in grades.
Researchers use vagus nerve stimulation paired with sound tones to retrain the brain and reduce ringing in the ears. After 20 days of treatment, tinnitus disappeared in noise-exposed rats, persisting for up to 3.5 months.
Scientists use atom-probe tomography to map millions of individual atoms in a sea creature's tooth, revealing organic/inorganic interfaces. This breakthrough opens up possibilities for tracking fluoride in teeth and cancer, osteoporosis drugs in bone, and designing new materials with improved properties.
A new camera technology uses infrared imaging to visualize bloodstains and other substances, overcoming limitations of existing methods. This innovation has the potential to improve crime scene investigations by providing non-destructive analysis.
Researchers discovered COSMOS-AzTEC3, a massive proto-cluster 12.6 billion light-years away, formed about one billion years after the Big Bang. The cluster is characterized by extreme bursts of star formation and a massive feeding black hole, indicating it will grow into a modern galaxy cluster.
Research found that a specific microRNA (miR-503) can impair the ability of endothelial cells to form new blood vessels, leading to reduced blood flow and increased risk of amputation in diabetic patients. Inhibiting this miRNA improved blood vessel formation.
A study found that preoperative Breast MRI detected occult cancer in nearly 1 in 8 patients, resulting in an added cancer yield of 12%. The use of preoperative Breast MRI is a relatively new indication for the test, with benefits seen in detecting otherwise hidden additional disease.
Scientists have developed a technique to freeze the adrenaline receptor in one position, allowing them to determine its structure and develop new or better drugs. This breakthrough has significant prospects for medicine, particularly for treating asthma and heart disease, as well as understanding other GPCRs.
Researchers from North Carolina State University have developed an approach to create reliable models of large power systems using Synchrophasor technology, enabling real-time monitoring and prediction of blackouts. The approach uses high-resolution power-system measurements to capture the dynamics of clusters and their connections, he...
People with sleep apnoea or obesity-related respiratory difficulties incur twice as high medicine and hospital costs as healthy control subjects, with unemployment rates 30% higher. Violent snoring costs €705 per person, while sleep apnoea costs €3860 and obesity-related respiratory difficulties cost €11,320.
Scientists have successfully grown the blood vessels and capillaries needed to keep tissues alive, paving the way for transplantable tissue growth. By mimicking the body's extracellular matrix and using light to create soft hydrogels, researchers were able to form functioning capillary networks in just 72 hours.
A £4.7m Policy Research Unit will focus on improving cancer screening and diagnosis in the UK. The team from Peninsula College of Medicine and Dentistry aims to identify key symptoms that should prompt GPs to take action, with the goal of boosting survival rates and reducing mortality.
The estimated total cost of cancer care in the US is expected to reach $158 billion in 2020, driven by an aging population and increasing prevalence of cancer. Breast and prostate cancers are projected to experience significant increases in costs, with breast cancer projected to be the highest-cost cancer at $20.5 billion.
Global surface temperatures in 2010 tied 2005 as the warmest on record, with the next warmest years being statistically tied for third warmest year. The climate has warmed by approximately 0.36F per decade since the late 1970s.
A new study published in The Lancet shows that starting treatment with two medicines instead of one produces better and faster results, and fewer side effects. This challenges popular medical practice and could change clinical practice worldwide.
A new software developed by Queen Mary University of London's Centre for Digital Music allows drummers to speed up or slow down pre-programmed music. The 'B-Keeper' software gives artists more freedom to vary the rhythm, resulting in a better atmosphere and more loyal live followings.
Researchers at Helmholtz Association create ultrafast image sequences of nanostructures, enabling real-time observation of molecules and nanostructures. The breakthrough method uses X-ray pulses to capture images at femtosecond intervals, paving the way for new insights into fundamental processes in natural sciences.
A Baylor University study reveals that different households in coastal communities in Belize adapt and cope with climate-related events through various behaviors and strategies. The results highlight the importance of empowerment, access to resources, and collective thinking in enhancing resilience.
Rice University researchers have developed a method to enhance the effectiveness of a common disinfectant, increasing its ability to degrade aerosol- and water-borne viruses by more than three times. The new technique involves adding silicone to titanium dioxide, which is widely used in paints, sunscreen, and food coloring.
The modENCODE project has made significant breakthroughs in understanding the epigenome, a complex system that regulates gene expression in eukaryotic organisms. By analyzing the epigenetics of fruit flies and round worms, researchers have gained insights into how DNA packaging affects organism development.
A recent study by the University of Miami found that 35% of children experienced moderate to severe posttraumatic stress symptoms almost two years after Hurricane Charley, and those who still showed signs of stress at nine months were likely to persist with symptoms another year later. Social support from peers was also found to be cru...
A Caltech-led team has developed a new alloy that combines the strengths of metals and glasses, demonstrating unprecedented level of combined toughness and strength. The palladium-based alloy shows high toughness and strength, making it suitable for biomedical implants such as dental implants.
Four Dartmouth professors, including three from Medical School, were elevated to AAAS Fellows for their outstanding work in protein trafficking, cholesterol metabolism, and bacterial secretory protein translocation. This recognition honors the individual and interdisciplinary achievements of these scientists at Dartmouth.
A survey of Midwest School Social Work Council members found that nearly all agree cyberbullying deserves more attention from schools, but just over half feel empowered to deal with it. The study highlights the need for evidence-based training and policies on cyberbullying.
Implementing a computerized radiology workflow with customer service representatives leads to faster report delivery, reduced anxiety for patients, and increased productivity for radiologists. The study's findings support the cost-benefits of adding these representatives to alleviate administrative burdens.
Scientists have developed a new ultra-light form of 'frozen smoke,' a carbon nanotube aerogel, with impressive strength and surface area. The material has potential applications in sensors, chemical reactors, and electronics components, and can detect pollutants and toxic substances.
A new assessment by Professor Nicholas Ambraseys and Professor Roger Bilham reveals that corrupt building practices are responsible for most earthquake-related deaths globally. The study found a strong correlation between wealth and corruption, with less wealthy nations being the most corrupt.
Research at UCLA reveals that coffee's protective effect against type 2 diabetes may be linked to increased SHBG levels. Women who drink four cups of coffee daily are less than half as likely to develop diabetes compared to non-coffee drinkers.
Researchers at the University of Calgary have made a significant breakthrough in creating quantum networks by storing information in entangled photons. This achievement brings the field closer to reality and has the potential to enable building quantum networks in a few years.
A new study in BioEssays reveals that the H1N1 pandemic challenged the conventional ideal of antigenic shift, where a virus emerges from an existing subtype. The research suggests that pandemics can result from a shift within lineages of existing subtypes, not just the introduction of a new strain.
The Planck satellite mission has provided unprecedented all-sky coverage of cosmic dust, offering insights into dust evolution in different environments. The data will help researchers understand the complex history of our universe and its present form.
A team of researchers has successfully demonstrated the molecular evolution of two competing functions from a single gene, AFP III, which helps Antarctic fish survive in frigid waters. The study confirms the ancestry of antifreeze proteins and validates a decades-old hypothesis about gene duplication.
Researchers at UBC-VCH have discovered that excess production of RCAN1 protein sets off a chain reaction killing brain cells in people with Down Syndrome and Alzheimer's Disease. This finding provides a potential new target for drugs to prevent dementia in both populations.
A new study published in the journal Addiction found that energy drinks do not offset the sedating effects of alcohol and do not improve sustained attention or reaction times. The study suggests that public education and warning labels should be considered regarding the safety of caffeinated alcoholic beverages.
Patients with high blood pressure respond better to combination therapy from the start of treatment, with a mean reduction in systolic blood pressure of 6.5 mm Hg. After switching to combination therapy, patients who initially received monotherapy show improvement but not to the same extent as those on combination therapy from the start.
Researchers at the Jewish General Hospital's Lady Davis Institute for Medical Research in Montreal found that robotic surgery dramatically improves outcomes in patients with uterine, endometrial, and cervical cancer. The procedure also reduces post-operative complications and hospital stays, resulting in cost savings.
Researchers found that SIK2 suppressed CREB-mediated gene expression after oxygen and glucose deprivation, increasing neuronal survival in mice lacking SIK2. The SIK2-TORC1-CREB signaling pathway may serve as a potential therapeutic target for promoting neuron survival.
A study by Colorado University's Sleep and Chronobiology Laboratory found that missing a night of sleep burns approximately 135 calories. Eight hours of sleep, on the other hand, saved the same amount of energy. The findings demonstrate a direct correlation between the sleep-wake cycle and energy expenditure.
Researchers at the Children's Hospital of Pittsburgh found that antibiotics are more effective than a placebo in relieving symptoms of middle-ear infections in young children. The study, funded by the National Institute of Allergy and Infectious Diseases, involved 291 children between 6 and 23 months old with acute middle ear infections.
Researchers at Penn State are designing a fast service lane option called meal deals for school cafeterias, which will limit the time spent in line and offer predetermined side selections. The goal is to create an environment where students can make healthier food choices by choosing familiar options.
Researchers developed a method to yield more information from archived newborn blood spots, enabling studies on population health patterns and diseases present at birth. The new method detected approximately 9,000 activated genes in adult blood samples from Guthrie cards, tripling the amount found in previous studies.
Researchers at the University of Texas at Dallas have developed a new treatment for tinnitus, a debilitating hearing impairment affecting millions. Targeted nerve stimulation, paired with sounds, eliminated tinnitus in rats and shows promise for human clinical trials.
Researchers found that up to 20% of the most distant galaxies appear brighter than they actually are due to strong gravitational lensing. This effect enables astronomers to detect more galaxies but requires correction to ensure accurate tallies.
Gravitational lensing distorts the view of very distant galaxies, making them harder to detect and study. The distortion can be as much as an order of magnitude, potentially boosting the number of visible galaxies by up to 10-30.
A new drug has been found to reduce the persistent memory of fear conditioning in mice previously exposed to traumatic situations. The study suggests that this drug could be an effective treatment for disorders such as PTSD, panic attacks, and phobias.
A new study found that people's personalities play a significant role in determining their future emotional reactions, contrary to predictions made about external events. Positive individuals tend to be more accurate in forecasting their own happiness due to their natural disposition.
A Georgetown University Medical Center study found that tinnitus is caused by the brain's inability to repair itself after hearing loss, resulting in phantom ringing sounds. The researchers also discovered a link between tinnitus and other perceptual disorders, such as chronic pain and altered mood states.
Researchers have identified 16 binary systems consisting of supermassive black holes that are hundreds to thousands closer together than previously observed. This discovery sheds new light on how these cosmic behemoths and their host galaxies merge, a crucial aspect of understanding the universe's evolution.
A new NIH study projects that cancer costs will increase to at least $158 billion in 2020 due to the growing US population and cancer trends. The projected costs are based on an aging population and the introduction of new, expensive cancer treatments.
A recent study published in Inorganic Chemistry found that eye drops containing pirenoxine reduced cloudiness in lens solutions by up to 38% in some cases. The results suggest using PRX as an anti-cataract agent and warrant further biological studies.
The PARSPORT trial found that intensity-modulated radiotherapy (IMRT) spares the major salivary glands, reducing xerostomia and improving quality of life in head and neck cancer patients. IMRT significantly reduces the incidence of dry mouth and leads to recovery of saliva secretion.
Key findings show that patients fear fractures but do not always adhere to treatment, while doctors underestimate their patients' adherence and concerns. Community-based online support programs have a great potential to fill information gaps and improve patient-doctor dialogue.
A new ultrasound technique, elastography, can accurately predict cancer in patients with BI-RADS category 4 masses by measuring tissue softness. The study found an 79% accuracy rate in identifying cancer, suggesting that this method could reduce unnecessary breast biopsies.
Researchers found that people perceive a threat to their control when observing an increase in partner hard emotion, while perceiving neglect when partner flat emotion decreases. This perception influences one's own emotions, with perceived neglect having stronger effects than perceived threat.
Scientists seek to create rat poisons that specifically target rats without posing a threat to people, pets, or wildlife. Researchers are working on tracking rodent consumption and studying resistance mechanisms to develop safer alternatives.
Scientists have developed Australia's first adult induced pluripotent stem cell lines for the rare genetic disease Friedreich Ataxia, enabling the development of new treatments. The iPS cells were characterized to become specific cell types, including heart and nerve cells, which are affected by the disease.