The study found that heart failure hospitalization rates have increased dramatically among seniors in the US, with a 131% rise from 1980 to 2006. This trend is particularly concerning for women, who experienced a higher annual percentage increase rate than men.
A recent study published at the American Society of Nephrology's annual meeting found that low potassium levels are strongly linked to high blood pressure in African Americans. The research suggests that consuming more potassium-rich foods, such as fruits and vegetables, may help lower blood pressure.
The Declaration of Istanbul sets forth recommendations to prevent organ trafficking, including programs to prevent organ failure and maximize deceased donation. Organ trafficking has been linked to increased post-transplant complications and a higher incidence of acute rejection and severe infections.
A recent study found that rural women are at increased risk of pre-eclampsia and pregnancy-induced hypertension, associated with maternal poverty and social deprivation. The researchers identified novel risk factors, including living in a rural area and having some college education, which were independent of other risk factors.
Using genetically diverse seed sources can improve revegetation outcomes for native flora, as local seed may be inbred and lead to poor results. The review recommends focusing on capturing high-quality seed to ensure restored populations have ample genetic diversity.
A team of researchers used oceanographic data to predict the potential consequences of climate change on a global scale. They found that if current trends continue, altered ocean circulation could lead to dramatic implications for the world's climate and biosphere.
Chronic kidney disease exacts a significant toll on women's sexuality and gynecologic health, with hormonal changes affecting body functions. Experts will explore the impact of CKD on women's sexual life cycle, fertility, and pregnancy from adolescence through menopause.
A study led by Ercan Ok found that overnight hemodialysis reduced mortality rates by 78% and improved blood pressure control, appetite, weight gain, and cognitive functioning among patients. The results suggest longer dialysis regimens as a promising alternative to addressing high risk of death among dialysis patients.
A team of paleontologists from the University of Utah and independent scientists have found no evidence of dinosaur tracks at the 'dinosaur dance floor' site in northern Arizona. Instead, they suggest the features may be unusual potholes eroded in the sandstone.
Research using brain scans at the University of Chicago found that aggressive youth activated neural circuits underpinning pain processing when watching pain inflicted on others. The study suggests some aggressive youths' natural empathetic impulse may be disrupted, increasing aggression.
Individuals with kidney stones are at a 60% greater risk of developing chronic kidney disease (CKD), according to a new study. Researchers recommend careful monitoring of stone formers and appropriate treatment when needed.
Researchers have successfully treated HIV-seropositive women with assisted reproduction, achieving pregnancies and stable infant outcomes. Additionally, studies found that SC Ovidrel can be reliably used for egg-cell donation and pregnancy is possible in breast cancer patients after chemotherapy, despite reduced fertility.
A study of 2025 women who donated kidneys found that female kidney donors do not face increased risks of miscarriage, premature birth or gestational diabetes. While post-donation pregnancies had higher rates of certain health conditions, these were comparable to those in the general population.
Despite its biblical origins, leprosy remains a significant public health concern in the US, with approximately 150 cases diagnosed annually. Early treatment with medicine is crucial for full recovery, but misdiagnosis and lack of awareness among physicians lead to delayed treatment and debilitating damage.
A clinical trial found that cognitive-behavioral therapy significantly improves depressive symptoms and quality-of-life scores in patients with kidney disease on dialysis. After three months of weekly sessions, patients showed a substantial reduction in depression and improved cognitive function.
deCODE's DNA-based tests measure genetic markers linked to increased cardiovascular conditions' risk. These tests provide doctors with a new tool for improving screening, prevention, and treatment.
Researchers found that weakening Asian monsoons may have contributed to the fall of three Chinese dynasties, leading to periods of popular unrest. A strong summer monsoon prevailed during a 'golden age' of rice cultivation and rapid population growth in China.
The recently passed Medicare Improvement for Patients and Providers Act of 2008 will significantly impact nephrology practice and patient care. Key provisions include funding for CKD education sessions, bundled payment systems, and quality measures to improve efficiency and outcomes.
A recent study found that the cost of treating colorectal cancer can range from tens of thousands of dollars, with newer therapies often costing significantly more than older agents. This variation in costs raises questions about access to care and the value of these treatments for patients.
The guidelines provide clinical features, diagnosis, and treatment information for a range of congenital heart defects. They also highlight key issues to look for during follow-up and make recommendations on genetic testing, pregnancy, contraception, and physical activity.
The University of Oregon's College of Education is expanding its special education technical assistance center to help schools foster positive behavior. The $8 million, five-year program aims to implement school-wide positive behavior support in over 15,000 schools and demonstrate its link to improved academic outcomes.
A computer model called Diag was developed to predict human behavior and learning in a circuit troubleshooting task. The model learned at the same rate as participants, replicating their strategy and solving problems accurately.
A revised theory suggests that carbon dioxide levels have already entered a danger zone, necessitating a reduction below current levels of 385 parts per million (ppm). The study concludes that coal is the largest source of atmospheric CO2 and that phasing out its use could lead to a significant decline in CO2 emissions.
Research suggests that vitamin D, specifically its active form calcitriol, could offer protection against radiation-induced damages by regulating cell cycle and proliferation. This could be a potential safe agent for protecting people before or after low-level nuclear incidents.
A new study published in Biology of Blood and Marrow Transplantation demonstrates that a reduced-intensity conditioning bone marrow transplant can eliminate symptoms of sickle cell disease in six out of seven patients. This approach eliminates life-threatening side effects associated with traditional bone marrow transplants.
A newly developed equation estimates glomerular filtration rate (GFR) more accurately than the widely used Modification of Diet in Renal Disease (MDRD) Study equation, especially at higher GFR levels. The CKD-EPI equation was validated using data from over 8,000 patients and shows lower bias compared to the MDRD equation.
A study of over 5,300 live kidney donors found that obesity was common among donors, particularly those from African- and Hispanic-American backgrounds. Obese donors were more likely to develop hypertension prior to and after donation, but did not experience worse kidney function compared to non-obese donors.
T.P. Ma recognized for groundbreaking research in semiconductors, impacting high-tech industry and leading to practical applications such as flash memory. His work has been widely adopted by companies worldwide, including IBM and Intel.
A University of Missouri study finds that analysts' self-interests influence the value of street earnings, leading to upward bias in glamour stocks. This biases makes street earnings less useful for predicting future earnings of high-growth stocks.
Researchers at the American Society of Nephrology's Annual Meeting found that stent placement does not improve kidney function or blood pressure in patients with atherosclerotic renovascular disease. The ASTRAL trial, involving over 800 patients, showed no clinically worthwhile benefits from revascularization.
Researchers Leif Ristroph and Jun Zhang used a tabletop experiment to show that two or more flexible objects in a flow experience drag differently than rigid objects. For example, when one flag flaps, it reduces its own drag but increases the drag on its follower, contrary to expected behavior.
A collaborative study reveals how interactions between common gene variants affect brain function in schizophrenia patients, particularly in working memory. The findings suggest that combining these genetic variations may lead to reduced cortical activity, making them potential new targets for treatments.
A new national survey by Queen's University shows that despite increased investment in infection control since the SARS crisis, the number of resistant bacterial infections has multiplied. The study highlights a need for continued investment in infection control resources and programs to combat the growing threat of superbugs.
A recent study has found strong evidence for a genetic component in stuttering, with the likelihood of spontaneous recovery linked to genetic factors. Researchers hope that identifying specific genes underlying stuttering will lead to improved clinical decisions and treatments.
The University of Cincinnati's CERHAS project is rebuilding the lost structures and interiors of the Shaker community using virtual reconstruction technology. The goal is to preserve the unique architectural legacy of the Shakers, which has had a lasting impact on American architecture and design.
A new NASA technique uses satellite data to measure changes in the mass of mountain glaciers in the Gulf of Alaska with unprecedented precision. The annual ice mass lost from glaciers has been found to be 84 gigatons annually, contributing nearly half as much freshwater melt as Greenland.
Researchers reconstructed Arctic climate patterns over 65 million years, revealing a link between Arctic cooling and global cooling. Changes in ocean circulation could lead to abrupt changes in climate, similar to those that occurred at the onset of the last ice age.
Researchers silenced genes that prevent mature neurons from regenerating, causing them to recover and re-grow vigorously after damage. Up to 50% of injured neurons survived, and up to 10% showed significant re-growth of axons over long distances.
Children born to mothers with pregnancy-related diabetes are twice as likely to experience language development problems. Research from Université Laval found that babies' brains develop differently due to gestational diabetes, affecting vocabulary and grammar skills even after starting school.
A new analysis suggests that warmer temperatures could cause significant loss of carbon from shallow and deep peat bogs, with potential losses ranging from 40% to 86%.
Researchers found that acyclovir can directly slow down HIV infection by targeting the reverse transcriptase enzyme. However, this effect also leads to the emergence of resistant HIV variants, such as the V75I strain, which could compromise current treatments.
Dr. Mauro Costa-Mattioli has discovered a type of molecular switch in mice that determines whether a long-term memory is formed from an experience, improving spatial memory and synaptic connections. His research holds hope for developing new therapies for age-related memory loss and Alzheimer's Disease.
A new study finds that the US executive branch is the primary force driving foreign policy towards Israel, Iraq, and Saudi Arabia. The policies engaged by the US tend to be reciprocal, rewarding favorable behaviors and punishing unfavorable ones.
A study compared the survival of dialysis patients undergoing heart bypass surgery or stent placement, finding that stents offer best one-year survival but bypass surgery is superior for long-term results. The study's findings suggest that treatment choices depend on individual patient goals and risk tolerance.
Researchers have identified a gene mutation in Dalmatians that causes high uric acid levels and bladder stones, which can be eliminated through breeding programs. The SLC2A9 gene, also found in humans and great apes, is responsible for the elevated uric acid levels in Dalmatians.
Recent studies show that social signals can profoundly affect when and how genes function, leading to changes in behavior. In animals like honey bees and songbirds, social information alters gene expression, allowing for complex adaptations and behaviors.
Researchers have developed approaches to visualize eosinophils in real-time, which may help diagnose asthma and assess treatment efficacy. Additionally, genetic defects underlying two kidney conditions and a type of liver cancer have been identified, suggesting potential therapeutic targets for these diseases.
A new model demonstrates that functional hierarchy in the brain is linked to both time and space, contradicting previous literature. The study uses humanoid robots to show how neural activity can self-organize through multiple timescales, shedding light on the underlying mechanisms of neural systems.
A two-year study found substantial quantities of melanin produced in morbidly obese patients' fat tissue, suggesting a natural defense mechanism against obesity-related conditions. The antioxidant properties of melanin may help suppress inflammatory properties of excess fat.
Researchers propose that organisms can learn environment rules and develop modular designs storing history information in their genome, generating useful novelties for new environments.
Research reveals sea snakes dehydrate in saltwater and prefer freshwater or diluted brackish water. The findings may help explain the patchy distribution of sea snakes and their vulnerability to climate change.
New UGA research sheds light on the important role of the Foxn1 gene in maintaining T cell production in the thymus. The study suggests that understanding how this gene works could lead to new therapies for various illnesses, including age-related immunodeficiency disorders.
Teacher qualifications are more equally distributed across New York City public schools, with stronger teachers in low-income schools, leading to modest improvements in student math achievement. Recruiting more qualified teachers is recommended to further enhance teaching quality.
A double-blind study found that beta-alanine supplementation increases physical working capacity in elderly individuals, improving fitness levels by 67% compared to placebo. This increase is clinically significant, as decreased functional capacity is associated with increased mortality.
A new study has identified 11 clinical risk factors that can help doctors weigh the risks and benefits of carotid surgery. The study found advanced age and non-white patients are at higher risk for death or stroke after surgery.
Research presented at the American Society of Nephrology's Annual Meeting found African Americans with CKD caused by high blood pressure have a higher risk of progression to ESRD. The study followed 691 patients for 11 years and found they were at higher risk of progressing to ESRD than experiencing cardiovascular events.
Researchers from Universite de Montreal and Maisonneuve-Rosemont Hospital discovered a new biochemical pathway controlling DNA repair, which may lead to improved cancer treatment. The ATR protein plays a key role in this process, and its deficiency is often found in tumour cells.
A comprehensive study of lion populations in Africa and Asia found evidence of genetic diversity, even in well-studied ecosystems. The research highlights the need to prioritize conservation efforts for declining populations over larger-scale initiatives.
A new technology has successfully tested tiny solar cells that can power microscopic machines, detecting chemical leaks and toxins. The organic polymer-based solar cells provide a promising renewable energy source for various applications.
A Baylor College of Medicine neuroscientist has identified a single molecule that can affect memory, with findings showing that reducing activity of a key protein increases the expression of genes and proteins needed for long-lasting memories. The study also reveals that short exposure to experiences creates long-term memories.