The MADIT-CRT study found that CRT-D therapy reduces the risk of heart failure or death by 34% compared to ICD-only therapy, with benefits seen across various patient sub-groups. This results validate a new indication for CRT-D therapy in preventing heart failure in at-risk patients.
A systematic review of 18 studies found corticosteroids alone reduce unsatisfactory recovery by 9%, while combined therapy with antiviral agents may offer a 5% absolute risk reduction. Corticosteroids are also associated with reduced synkinesis and autonomic dysfunction.
A new study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that adolescent and young children of obese mothers who underwent weight-loss surgery prior to pregnancy have a lower prevalence of obesity and improved cardio-metabolic markers. The research suggests that the intrauterine environment ...
For the first time, researchers have induced antibodies that neutralize HIV-1 and simultaneously recognize both HIV-1 envelope protein and lipids. The study employed widely used, clinically acceptable, well-tolerated and relatively inexpensive generic antigen-adjuvant constituents.
A new study projects that California's bird communities will undergo significant changes by 2070, with some species shifting distributions and others forming novel assemblages. This could have far-reaching consequences for ecosystems and biodiversity management strategies.
Research identifies six factors that can lead to student disengagement, including inadequate academic support and irrelevant coursework. Experts recommend solutions such as reducing class sizes, clarifying discipline policies, and increasing personal contact between administrators and students.
A new study found that expanded insurance benefits and comprehensive case management increased hospice care use among patients with advanced illnesses. The study, published in Journal of Palliative Medicine, reported a 70% increase in hospice use and mean number of days in hospice care.
A study reveals that dynamic changes in DNA, known as epigenetic marks, play a crucial role in the development of diabetes. Researchers found that these changes occur rapidly and can be influenced by environmental factors such as diet and physical activity.
A study found discrepancies between primary trial outcomes registered and published, with 31% of adequately registered trials showing evidence. Most discrepancies favored statistically significant results or omitted nonsignificant outcomes.
A new study published in Annals of Epidemiology found that the waist-to-hip circumference ratio was a better indicator of obesity in high-functioning adults over 70 than BMI. The research also showed a significant link between increased waist size and higher mortality risk in both men and women.
Adults living in areas with high fast food concentration who don't own a car are at increased risk of excess body mass index and weight gain. Not owning a car in these areas is associated with a 12-pound weight difference compared to those living without fast food outlets.
A laboratory study by University of Maryland researchers suggests the H1N1 pandemic variety prevails and out-compets other flu strains in a lab setting, reproducing twice as much on average. The findings support vaccinating against the pandemic flu virus this season due to its high communicability.
A new therapy called cardiac resynchronization can significantly delay the onset of heart failure symptoms and hospitalization for up to 41% with pacing therapy. The treatment improves heart-pumping efficiency, enabling patients like Rosemary Jakubowski to engage in physical activities without fatigue.
A study found that children in Ethiopia who received azithromycin for trachoma had a 49% lower odds of death compared to those who didn't receive the antibiotic. The treatment may have reduced mortality from pneumonia, diarrhea, and malaria, major causes of death in children in trachoma-endemic areas.
Experts Peter Cox and Hazel Jeffrey examine potential geoengineering initiatives, including carbon-dioxide removal and solar-radiation management, as a crucial alternative to common mitigation methods. The schemes have different benefits, costs, and risks associated, but may offer a better benefit-to-cost ratio than conventional methods.
A new study found that low-alcohol prices in college bars pose a threat to public health and safety. The research, published in Alcoholism: Clinical & Experimental Research, suggests that cheap drinks lead to higher intoxication levels and related consequences.
Researchers found novel human genes that originated from non-coding DNA in flies, yeast, and primates, with approximately 18 human-specific genes estimated to have arisen during human evolution. These genes are unlike any other human genes and may play a crucial role in human-specific traits.
A new approach to medical practice that incorporates the interactions between human genetics, environment and behavior could result in more precise diagnosis, earlier intervention and individualized care. However, concerns around data protection, sociolegal implications and economic costs must be addressed.
A surgically implanted capsule-sized pump has been developed to provide continuous pain relief for big cats, reducing the need for daily injections. The pump was successfully used on two leopards at a Tennessee sanctuary, demonstrating its effectiveness in delivering pain medication quickly and efficiently.
Researchers found that mice lacking protein S suffered massive blood clots and defective blood vessels, highlighting the protein's dual role in coagulation and inflammation. Protein S also binds to receptors that regulate immune responses, suggesting new targets for gene therapy.
Effective reperfusion therapy in AMI patients can cut individual risk of dying by half and save millions of European lives. Modern catheter-based reperfusion strategies are more effective than fibrinolytic agents, reducing infarct-related mortality by up to 37%.
Researchers have made significant findings in understanding the effects of diet on cognitive performance in pilots, with high-fat diets showing improved flight performance scores. Additionally, a new approach to treating spinal cord injury using stereotactic X-irradiation has shown promise in improving locomotor function.
Researchers identified Hexokinase 2 as a key player in glucose metabolism and cell survival for breast cancer patients with brain metastases. Patients with high levels of Hexokinase 2 expression in their brain metastasis had significantly lower median survival rates compared to those with lower expression.
Current international strategies overlook the role of inland waters in carbon cycling, but a new study highlights their disproportionate impact. The study suggests that rivers and lakes can alter the fate of terrestrial carbon, leading to significant changes in global carbon budgets.
Professor Nicole Darnall's report provides a 'road map' for the new administration to encourage widespread green production. The report recommends strategies such as mandatory environmental product labels and online sustainability tools to help businesses implement eco-friendly practices.
Scientists have developed a new mouse model of X-linked nephrogenic diabetes insipidus, a severe kidney disease. The model shows that selective EP4 receptor agonists alleviate the symptoms of the disease, suggesting these compounds as potential therapeutics.
Researchers at Medical College of Georgia have found that deleting or mutating the gene PTP1B puts mice at risk for hypertension by interfering with an endogenous mechanism that should prevent it. The study suggests that PTP1B is a vulnerability gene, and its status could help identify individuals at risk for hypertension.
Acute myocardial infarction (AMI) is a leading cause of death in the Western world, with prevalence expected to rise in developing countries. Primary PCI can open more vessels than thrombolytic therapy, saving more lives but requiring specialized facilities and collaboration.
GS-101 demonstrates significant inhibition and regression of corneal neovascularisation in a phase II study. The treatment is generally well-tolerated with no serious side effects, offering a new approach to managing ophthalmic angiogenesis.
A three-month practice period of playing Tetris led to greater brain efficiency and a thicker cortex in adolescent girls, with increased gray matter observed in areas associated with critical thinking and reasoning. The study suggests that mental practice may increase cortical thickness and improve cognitive skills.
A new study found that losing just one hour of sleep can pose serious consequences for workers in hazardous environments. The research, published in the Journal of Applied Psychology, analyzed data from 1983 to 2006 and showed a 68% increase in lost work days after the switch to daylight saving time.
The Pacific Northwest National Laboratory will lead a $6.8 million study to examine the environmental impacts of marine and hydrokinetic power. The project will investigate risks to wildlife and habitats, conduct laboratory and field experiments, and predict long-term effects.
Researchers at Purdue University have developed a new design program called FEAsy that analyzes designs from raw sketches to speed up parts creation. The program uses finite-element analysis to test designs in the sketching stage, allowing for faster improvements and changes.
Researchers at Mayo Clinic have found that early stage cancers of the esophagus can be treated effectively with less-invasive, organ-sparing endoscopic therapy. This approach was compared to traditional surgical removal of the esophagus and showed comparable overall mortality rates.
NC State will offer intensive language training courses in Arabic, Chinese, Urdu, Persian, and Russian. The program aims to prepare military leaders for global conflict by providing them with hands-on experience in critical languages and cultures.
Researchers have identified a new mechanism underlying sex-specific gene expression in mice, with PPAR-alpha repressing genes involved in immunity and steroid production. The study also found that this repression is mediated by sumoylation, a process only occurring in female mice, and suggests potential new approaches to prevent estrog...
A Spanish study reveals that 31% of doctors believe the Internet complicates their relationship with patients, while 96% have been questioned by patients about online information. Doctors recommend websites to almost a third of their patients, but many see the Internet as undermining patient independence and credibility.
A study found that 1 in 8 patients thought to have epilepsy or unsure diagnosis actually had a heart rhythm issue causing fainting. Eighty percent of those who underwent pacemaker insertion were symptom-free after 9 months.
Researchers found that acid refluxing at night results in sleep arousal 89 percent of the time in participants with and without GERD. GERD patients experience longer acid reflux events, leading to increased risk for complicated disease and esophageal cancer. This association suggests a bi-directional link between sleep problems and GERD.
A recent study by Universite de Montreal researchers found that weight gain after age 20 increases breast cancer risk, with gains of over 15.5 kilos seen in a 68% increase in risk. Regular physical activity was also shown to decrease cancer risks by 52 percent for pre-menopausal and post-menopausal women.
Scientists at Eastern Virginia Medical School have identified a vital step in the development of Type 1 diabetes and hope to develop a novel therapeutic approach by blocking an enzyme called 12-LO. Preliminary results are promising, and further research is underway.
A landmark study published in NEJM found that a new therapy combining CRT-D reduces the risk of death or heart failure by 34%, with a significant reduction in heart failure hospitalizations. This trial demonstrates the effectiveness of CRT-D therapy for patients with mild cardiac disease, improving both survival and quality of life.
A new computational method called CHASM sorts through hundreds of genetic mutations to highlight those most likely to promote cancer. The tool enables researchers to focus on the mutations with the highest risk of triggering tumors, speeding up efforts to identify genetic cancer risk factors.
Scientists Ron Kwok and Drew Rothrock extend Arctic sea ice record by combining ICESat satellite data with U.S. Navy submarine records, revealing a 53% decline in sea ice thickness since 1980. The study provides insights into the impact of climate change on Arctic ecosystems and global climate.
The PreSCD II registry found that patients protected by an implantable cardioverter defibrillator after a heart attack showed a non-significant lower mortality rate. In those with severely reduced heart function, mortality was reduced by 47% in patients with ICD implantation one month or more after MI.
A significant decline in heart attack mortality rates has been observed in Europe over the past 25 years, primarily due to organisational changes in the pre-hospital phase. The successful implementation of these measures can lead to a reperfusion rate of over 75% and reduce mortality to below 5%.
A new study published in the International Journal of Obesity found that biotransformed blueberry juice has strong anti-obesity and anti-diabetic effects. The juice was tested on mice prone to obesity, insulin resistance, diabetes, and hypertension, and showed a significant reduction in food intake and body weight.
Researchers discovered that PPAR-alpha's sumoylation process regulates gender-specific gene expression and protects female mice from estrogen-induced liver disease. This finding suggests potential new approaches to prevent this condition by targeting PPAR-alpha agonists.
NASA's AIRS instrument detects towering pyrocumulus clouds formed from smoke and heat of California wildfires, while also capturing powerful Hurricane Jimena with sustained winds near 145mph. Tropical Depression Kevin appears weakened due to stable air entering its circulation.
A University of Illinois study found that high-school put-downs contribute to a hostile climate, where good students struggle to learn and those behind fall further behind. Verbal harassment is prevalent in schools, with 70% of students experiencing disruptions.
Researchers developed a simple biological imaging system to visualize live tumor cells in peripheral blood. The technology reflects the tumor burden, decreasing upon primary tumor removal, holding promise for clinical benefit.
The University of Guam received a $370K Sea Grant Extension Program grant to focus on youth outreach and environmental stewardship. The program aims to improve K-12 science curricula, promote environmental awareness, and support sustainable practices in coastal resource management.
Researchers at KTH in Stockholm have made new discoveries about the history of the dog, pinpointing its birthplace to Asia south of the Yangtze River in China 16,000 years ago. The findings suggest that the dog descended from a large number of tamed wolves, with several hundred animals involved in its origins.
A new earthquake-resistant structural system has been successfully tested in Japan, demonstrating its ability to make buildings far more damage resistant and easier to repair. The system dissipates energy through steel frames that rock off their foundation under large earthquakes, confining damage to replaceable parts.
The PROTECT trial found that rolofylline had no significant effect on primary or secondary end-points in patients with acute heart failure, including dyspnea improvement and persistent renal impairment. The study did show an increased risk of neurological events in rolofylline-treated patients.
Studies show that prototype helmets can improve blunt-impact protection for ground troops without compromising ballistic protection. A survey also reveals high incidence of driving-related anxieties among post-deployment soldiers, highlighting the need for better tools for diagnosis and treatment of traumatic brain injury in the civili...
A new tumor marker has been identified for brain tumor resistance, allowing for targeted therapy approaches. The discovery of a
A new study finds that garlic mustard's fungus-killing toxin levels decrease over time, undermining its invasive advantage. This decline enables native plants to return and outcompete the invasive species.
Researchers at Northwestern University developed a novel gene delivery technology using nanodiamonds, achieving 70 times greater delivery efficiency than conventional methods. The surface-modified particles successfully delivered DNA into mammalian cells while preserving biocompatibility.
A study with hamsters shows that chronic alcohol consumption blunts the biological clock's ability to synchronize daily activities to light. The research suggests that this disruption can have long-lasting effects on the body's internal clock, even after withdrawal from alcohol.
A new study published in The Journal of Nuclear Medicine shows that PET/CT scans with the imaging agent choline can detect recurring prostate cancer sooner than conventional imaging technologies. Researchers found a strong association between PET/CT detection and PSA levels, and suggest using specific criteria to reduce unnecessary scans.
The survey enrolled 2438 patients with a mean age of 68 years, showing characteristic differences between those receiving CRT-P and CRT-D devices. Demographic and economic factors play a significant role in device selection, with younger patients, men, and those with ischaemic aetiology more likely to receive a CRT-D device.
Researchers at Mayo Clinic have discovered a single gene promoting development of essential tremor in some patients and Parkinson's disease in others. The study found a significant association between the LINGO1 gene variant identified in Iceland to both disorders, with mutations potentially responsible for five percent of patients.
The KYOTO HEART Study found that valsartan significantly reduced the incidence of cardiovascular events, including angina pectoris and stroke/TIA, in Japanese hypertensive patients. The study showed a lower rate of primary endpoints in the valsartan arm compared to non-ARB conventional therapies.
A new molecule has been discovered that can treat type 2 diabetes and reduce weight gain by activating the protein TGR5. The study found that INT-777, a selective TGR5 activator, increases GLP-1 secretion and energy expenditure, leading to improved blood sugar control and weight loss.
A new study by the American Academy of Orthopaedic Surgeons found that patients undergoing after-hour orthopedic surgeries experience slightly higher rates of necessary follow-up surgeries compared to daytime surgeries. The data also suggests that nighttime surgery patients have similar healing times, recovery periods, and major compli...
A new study from the University of Leicester suggests that the Human Tissue Act 2004 may have facilitated medical research by giving Research Ethics Committees clearer guidance. The study analyzed letters written by ethics committees before and after the Act's implementation, concluding that committees were less likely to raise concern...
Prolonged surgery can weaken the immune system, leading to a higher likelihood of complications. Limiting surgical time to less than three hours improves patient outcomes. External fixators are often used to stabilize orthopaedic injuries and allow for staggered surgeries over several days.
A 12-week moderate aerobic exercise program improved insulin sensitivity in both lean and obese sedentary adolescents, increasing fitness without the need for weight loss. The study suggests an aerobic program like this could be a useful tool in preventing obesity-related illnesses.
A study published by the American Academy of Sleep Medicine found that workplace bullying is associated with increased sleep disturbances in both men and women. The study, which analyzed data from a large-scale cross-sectional survey in France, found that exposure to bullying was significantly linked to self-reported sleep disturbances.
Researchers found that irbesartan reduced the risk of heart failure complications and a combination of stroke and other events by 13-14% in patients with atrial fibrillation. The study also showed significant reductions in hospitalizations for cardiovascular reasons and days spent in hospital.
A study found that chemotherapy impairs sleep-wake activity rhythms in breast cancer patients, leading to shorter days and disrupted biological clocks. The disruption worsens with repeated chemotherapy cycles, highlighting the need for routine screening and management of sleep disturbances.
Patients with polymyositis and dermatomyositis, autoimmune disorders causing muscle inflammation, are at higher risk of developing cardiovascular disease. The study found that immunosuppressive therapies may have a preventive effect against heart attacks, providing hope for patients hesitant to undergo treatment.
A clinical trial of mifepristone is being conducted to evaluate its effectiveness in treating symptoms of Gulf War illness, a condition affecting 25% of veterans who served in the 1990-1991 Gulf War. The study aims to determine if mifepristone can improve physical and mental health outcomes in Gulf War veterans.
A randomized controlled study found that laparoscopic uterosacral nerve ablation (LUNA) did not improve chronic pelvic pain, painful menstruation or quality of life compared to laparoscopic surgery without pelvic denervation. The study involved 487 women with chronic pelvic pain and followed them for up to five years.
Researchers found that inhibiting NF-kappa B reduced radiation toxicity in zebrafish embryos, offering a potential therapeutic strategy for cancer patients receiving radiation therapy. The study also suggests that downmodulating NF-kappa B activity may be more beneficial than completely ablating it to protect against radiation effects.
Sharp declines in freshwater species are often overlooked, affecting watershed planning and ecosystem restoration. Historical records suggest that species abundances were much greater than today, leading to underestimated effects of European colonization and habitat destruction.
A new study by Oregon State University reveals that positive parenting has a lasting impact on adolescents and parents alike. Children who experienced warm, involved, and consistent parenting were more likely to have close relationships with peers, engage in school, and develop better self-esteem.
Researchers used VLBA system to measure bending of starlight by gravity, achieving precision of one part in 30,000. The accurate measurement brings scientists closer to uniting General Relativity and quantum theory.
A comprehensive review confirms the safety and efficacy of Descemet's Stripping Endothelial Keratoplasty (DSEK) as a treatment for corneal endothelial diseases, which affect 85% of corneal transplants in the US. In contrast, a type of antibiotic fluoroquinolone has been linked to double vision in some patients.
Researchers found that cotton-top tamarins responded to music with emotions such as anxiety and calmness, mirroring human responses. The study suggests that animals use musical elements to convey emotional content, similar to humans, and could have deep evolutionary roots.
Atrial fibrillation is a common cardiac arrhythmia affecting over 3 million Europeans, with high mortality rates. Treatment strategies include chronic antiarrhythmic drug therapy and catheter ablation, both effective but with varying side effects and success rates.
A study published in Gastroenterology found that men with chronic hepatitis C undergoing antiviral therapy experience common sexual dysfunction, including impairment of desire, function, and satisfaction. The average onset of sexual dysfunction was within four weeks of starting therapy.
Researchers are using archived newborn blood spot data in Michigan to investigate the causes of cerebral palsy, a leading disabling motor disorder in children. The two-year study will analyze genetic signatures and potential pathways, including hormonal, inflammatory, and blood-clotting factors.
A study by MSU scholar Matt Grossmann finds that special interest groups often join bipartisan coalitions to support legislation, contradicting the conventional view. The research also reveals that Democratic and Republican groups are more closely linked than previously thought.
Currently only 1% of European patients with implantable cardiac devices are being remotely monitored. Telemonitoring reduces physician workload while maintaining patient safety through early detection of silent arrhythmias.
Researchers used NASA's ICESat satellite data to create the most comprehensive inventory of Antarctic lakes that actively drain or fill under ice. The study revealed a continental plumbing system more dynamic than previously thought, with 124 active lakes identified and linked to nearby and distant locations.
Physicists and chemists have successfully controlled individual, negatively charged particles within a group of electrons in complex molecules. They used femtosecond laser pulses to manipulate the motion of outer electrons in carbon monoxide molecules.
A team of researchers led by UIC's Mary Jo LaDu will examine the biology of apolipoprotein E and its receptors in the central nervous system. The $10M grant aims to understand the progression of Alzheimer's disease.
A study led by a University of North Carolina researcher found that black patients with high blood pressure experience poorer communication with their doctors compared to white patients. The results showed that black patients had shorter office visits, less biomedical and psychosocial exchange, and less rapport building with their doct...
A team of researchers, led by University of Alberta biologist David Coltman, have been studying the personalities of bighorn mountain sheep. They found that bold individuals tend to have shorter lifespans, while those with more submissive personalities are more likely to produce multiple offspring.
A recent study by the European Society of Cardiology found that public education on cardiac arrest could significantly improve survival rates among athletes. The study analyzed 700 sudden deaths during sport activity in France and found that bystander-initiated CPR increased hospital admission rates fourfold, while electric shock deliv...
A study at Massachusetts General Hospital found diverse research efforts in academic medical centers, with some unfunded researchers facing challenges. The report highlights the need for policy changes to shape the research enterprise and improve funding efficiency.
University of Michigan scientists have identified a fundamental mechanism regulating immune T-cell activity, with implications for conditions like autoimmune diseases, cancer, and organ transplants. The discovery reveals that regulatory T cells influence aggressive immune cells through redox chemistry.
Global climate change has a significant impact on deep-sea microfossil communities, with different groups responding differently to extinction events. In the Fraser River delta, anthropogenic subsidence is increasing relative sea-level rise by a factor of 2-5 times due to man-made structures.
A survey of 3,080 life-science faculty at 50 top-funded universities found that one-third conduct basic science research, while translational researchers are more likely to have industry relationships.
Researchers develop virtual environments and novel medicines to help military personnel diagnosed with PTSD, and explore the use of psychiatric service dogs. Preliminary data from clinical trials show promising results in treating co-morbid alcohol dependence.
The article presents optimized ChIP protocol for mammalian cells, while recombineering methods are used to construct targeting vectors for conditional knockout mice. These techniques provide efficient and precise genetic modifications.
Patients' perceptions of what was said by the physician were more important than what was actually said. A full apology and acceptance of responsibility by the physician in error led to better ratings and greater trust among viewers. However, this did not significantly affect the likelihood of patients suing physicians.
A new £6 million research programme aims to develop nanoplasmonic devices that can process information using light signals, potentially leading to faster data processing speeds. The project, funded by the EPSRC, is being conducted at Queen's University Belfast and Imperial College London.
Researchers at the University of Missouri have completed a comprehensive analysis of bioactive lipids in an inflammatory response triggered by Lyme disease. The study found correlations between eicosanoid levels and arthritis severity, paving the way for diagnostic tools, personalized therapies, and more effective treatments.
A new study reveals that telomeres, which regulate cell division, replicate at various times during DNA replication, leading to uncontrolled cell growth. The research also found that telomerase enables unlimited growth in cancer cells by rebuilding most or all of the telomeres.
A new study reveals that angiopoietin-like protein 2 (Angptl2) is a primary contributor to chronic inflammation in fat tissue, exacerbating conditions like diabetes and cardiovascular disease. Elevated Angptl2 levels have been found in obese individuals and those with insulin resistance.
A one-year evaluation demonstrates the benefits of the patient-centered medical home model, which provides personalized care, prevention, and coordination. The study found significantly fewer emergency room visits and hospitalizations among patients with access to a medical home.
Researchers at Boston University have developed new computer tomography contrast agents that selectively bind to glycosaminoglycans in articular cartilage, improving visualization and sensitivity for diagnosing osteoarthritis. The study's findings show that these cationic agents are three times more sensitive than current contrast agents.
A new study published in JAMA suggests that immediate intervention for patients with acute coronary syndromes (ACS) may not provide a significant advantage in terms of outcomes. However, the strategy can still reduce hospital stay duration. The study evaluated data from 352 patients with ACS and found that both immediate and delayed in...
Researchers from Thomas Jefferson University developed a prodrug that could potentially reduce or avoid skin toxicity associated with EGFR-inhibiting cancer drugs. The prodrug is designed to preferentially bind to tumor tissue, reducing side effects. By targeting the tumor site, the prodrug can minimize damage to normal tissues.
Researchers found that levels of the 2009 H1N1 virus rose more quickly than seasonal flu strains, causing more severe disease. The novel virus was also transmitted more easily from infected to uninfected ferrets.