A new system, TAME, assesses toxicity burden of cancer treatments by placing adverse events into three concise risk domains: short-term toxicity, long-term effects, and mortality risk. The method has identified differences of up to 500% in acute toxicity burden between certain cancer treatments.
Researchers at Rensselaer Polytechnic Institute are developing a physics-based virtual model to simulate real-time organ motions for radiation therapy. The 4-D VIP-Man will allow doctors and medical physicists to accurately predict and monitor anatomical changes, providing the most effective treatment possible.
Researchers identify distinct genetic profile associated with rapid progression of IPF, highlighting the need for targeted therapies and closer monitoring. The study's findings may lead to the development of biomarkers for disease progression and more effective treatment strategies.
A NASA-led research team has measured critical areas of Greenland's ice sheet and glaciers, finding a significant loss of ice over the past several years. The data suggests that the island's major glaciers have sped up in thinning since the turn of the century, with documented changes of up to 100 feet per year.
The study reveals that the Sun's magnetic field allows the release of wave energy from its interior, enabling sound waves to travel through fountains into the solar chromosphere. This discovery sheds light on why the chromosphere is hotter than the star's surface and has significant implications for climate variability.
Biomedical engineers at Duke University found that deep brain stimulation alleviates disease symptoms by creating an informational lesion through rapid-fire electrical pulses. This technique can be reversible and adjustable, offering a promising treatment for movement disorders and other conditions.
A phase III clinical study shows temsirolimus improves overall survival in patients with advanced renal cell carcinoma compared to standard treatment interferon. The treatment was also better tolerated, with fewer severe side effects.
A new study from Michigan Medicine found that up to 17% of physicians in a single state who claim to be pediatricians are not board certified by the American Board of Pediatrics (ABP). The researchers also discovered that another 12% of pediatricians did not complete a medical residency training program in pediatrics. Parents can check...
A simple exercise test can help predict mortality risk in patients with heart failure and inform personalized treatment plans. The test measures lung efficiency and has been shown to predict future hospitalizations in systolic heart failure patients.
Mercury has been shown to activate phospholipase D enzyme in cells lining blood vessels, causing damage and contributing to vascular disorders. Chelation therapy and antioxidants have been found to suppress this activity, suggesting potential preventive measures against mercury-induced cardiovascular disease.
A study by researchers from Harvard University suggests that children can solve approximate addition and subtraction problems without arithmetic instruction. They demonstrated a natural sense of number, which allows them to think about arithmetic in a way that does not rely on precise knowledge of numbers or place value.
A Dartmouth-led study found surgery to be twice as effective as non-surgical remedies in reducing pain and restoring functionality for patients with degenerative spondylolisthesis and spinal stenosis. Patients who underwent surgery reported significant relief from symptoms within six weeks.
Researchers found that prompt diagnosis and rapid drug therapy improve survival rates of people with urea cycle disorders. The study revealed overall survival rates of 73% for newborns and 98% for older patients who received the therapy.
The Wildlife Conservation Society's 'Warm Waters for Cool Bears' project uses satellite imagery and meteorological data to predict where sea ice will persist, enabling conservation efforts. The study aims to inform management activities such as designating protected areas for polar bears and their prey species.
A study by the University of Alberta found that mule deer mothers respond to distress calls from both their own and other species' fawns, often putting themselves at risk. This behavior defies traditional explanations for parental care and suggests a more primal instinct for survival.
High-dose sodium phenylacetate and sodium benzoate treatment has saved an estimated 80 percent of patients with urea cycle disorders, mostly children. The treatment uses the body's natural chemicals to eliminate nitrogen, reducing toxic effects.
Scientists have discovered tiny patches of superconductivity in ceramic materials at higher temperatures than previously known, defying widely accepted explanations for high-temperature superconductivity. The research uses nanoscale imaging techniques to map superconducting properties on the scale of single atoms.
Researchers discovered that molecular motors play a crucial role in shedding membrane from the tips of microvilli, speeding up nutrient processing. This finding has implications for understanding gastrointestinal physiology and potential new treatments for diseases.
Researchers discovered nearly a dozen additional heat-shock proteins that help insects survive cold temperatures. These proteins are essential for insect survival during diapause, a hibernation-like state that allows them to withstand low temperatures.
The study suggests that structural modules in yeast protein-protein interaction networks originated as evolutionary byproducts without functional units. Computer simulations show that modular structures can arise during network growth through simple models of gene duplication.
Researchers have found a massive exoplanet, XO-3b, which orbits its star in less than four days and is 13 times the mass of Jupiter. The planet's unusual characteristics, including its elliptical orbit and size, raise questions about its classification as a brown dwarf.
Stevens Institute of Technology students Samuel R. Barrett and Matthew V. Paragano received awards from the Barry M. Goldwater Scholarship Foundation, recognizing their exceptional achievements in science and mathematics. The foundation's top prize was awarded to Barrett for his research in artificial intelligence and machine learning.
Researchers propose that animal personalities evolve due to trade-offs between current and future reproduction, with cautious individuals investing more in future opportunities. This leads to populations with consistently risk-averse or risk-prone personality traits.
Researchers are focusing on preventing further brain damage after a stroke, targeting the penumbra region where blood flow is reduced by 60%. They hope to restore normal electrical activity in neurons and promote recovery. Dr. Sergei Kirov's study uses real-time microscopical imaging and pharmaceuticals to stop anoxic depolarization.
Researchers at UC San Diego report that grafting human spinal stem cells into paralyzed rats restored ambulatory function within six weeks. The study demonstrates the potential of stem cell therapy to reconstruct neural circuitry and treat debilitating muscle spasticity.
Researchers have developed a new, biocompatible MRI contrast agent using manganese oxide nanoparticles that produces clear images of mouse brains. The agent allows for high-contrast views of brain anatomy and has potential applications in diagnosing brain diseases such as Alzheimer's and Parkinson's.
A study by the University of Rochester Medical Center found that LeadCheck Swabs are prone to high error rates, detecting 64% of hazardous concentrations of lead in dust as safe. The swab test is not reliable for determining if house dust contains lead above EPA standards.
A new test measures subjects' accuracy and reaction times under distractions, filtering out easily distracted candidates. The test correlates with the 'Cognitive Failures Questionnaire', providing an objective assessment of distractibility.
Scientists have identified the TRPM8 receptor as responsible for sensing cold, which also mediates pain perception. The study provides a target for treating acute and chronic pain.
This article discusses various aspects of pain management, including the impact of depression and posttraumatic stress disorder (PTSD) on patient satisfaction. The study found that patients with both conditions were more likely to have a chronic medical condition and greater physical and psychosocial stressors.
A survey of 1,812 patients with moderate-to-severe asthma found that the disease was not controlled in 55 percent, despite regular health care visits. Uncontrolled asthmatics were more likely to experience severe symptoms and hospitalizations.
Researchers discovered that tiger moths use ultrasonic clicks to warn bats of their bad taste, allowing them to survive in a predator-rich environment. The study provides the first definitive evidence of acoustic mimicry as a defensive strategy.
A study found that only 32% of adults possess minimal medical knowledge of serious health conditions, despite higher education or personal experience not providing significant improvement. This lack of awareness poses a risk to early detection and treatment outcomes, as well as public health costs and behavior.
Researchers employed a new technique to estimate dark matter location and calculate its mass, shedding light on the galactic halo's composition. The method revealed two massive dark objects, one with 7 times the sun's mass, in the Milky Way's outer reaches.
Scientists at RIT have discovered that supermassive black holes can be thrown from galaxies at speeds of up to 4,000 km/s, significantly exceeding the escape velocity. The spin velocity determines the size and direction of the 'kick' or radiation recoil.
The Friedlander lab will work with six other laboratory groups to conduct pre-clinical work on adult stem cells, aiming to develop a new approach to treating retinal diseases. The therapy targets abnormal blood vessel formation, which is a leading cause of vision loss in Americans.
The June 2007 issue of the Journal of Ultrasound in Medicine (JUM) highlights the growing significance of contrast-enhanced ultrasound (CEUS) in the US. CEUS is used effectively globally but has limited approval for clinical use, hindering optimal imaging and patient care.
Astronomers discover a bright arc of extremely hot gas in a massive galaxy cluster, suggesting an exceptionally dramatic event, such as a collision between two clusters. The temperature and mass of the cluster make it a giant among giants, with a quadrillion suns' worth of mass bound by its hot gas.
Young women in urban China want more information on contraception but need private and anonymous access due to judgmental attitudes. A pilot workplace intervention showed promising results with popular information leaflets, but low uptake of free family planning services.
NASA is supporting cutting-edge research at the Earth's polar regions with $18 million in funding for 33 scientific investigations. These studies focus on ice flow, air pollution, sea ice impact on ocean ecosystems, and glacier thickness measurement.
Researchers found that a 45-minute walk restores the muscle-growth-stimulating effects of insulin to levels comparable to those seen in normal young adults. This breakthrough suggests that moderate aerobic exercise may slow the rate of muscle loss in aging.
Researchers found that children can solve large number problems without mastering place value or addition facts, using their natural sense of number to perform approximations. This talent can be built upon in the classroom to enhance interest and understanding in elementary mathematics.