Individuals with diagnosed hypertension in the US have lower blood pressure readings and better control compared to those in five Western European countries. The study found that treatment thresholds are more aggressive in the US, resulting in higher rates of hypertension control.
A mathematical model suggests that widespread use of antiviral drugs like oseltamivir can quickly spread resistant viruses, even if they emerge rarely. Prophylaxis and treatment with oseltamivir would still delay the onset of the pandemic and reduce its total size.
A recent study found that nearly a quarter of women treated with tamoxifen for breast cancer stop taking the medication within one year, leading to concerns about treatment efficacy. The study also revealed that over one-third of women have ceased tamoxifen treatment after three and a half years.
Researchers at University at Buffalo are testing a nasal spray anesthetic and ozone delivery device to eliminate drilling and injections in dental procedures. The studies aim to improve patient comfort and reduce pain associated with dental care.
A study of 4,124 older women found that repeat bone mineral density scans offered little predictive benefit for fractures. Initial BMD measurements remained highly predictive of fracture risk, suggesting that such tests are unnecessary for healthy older women.
A study by Stanford University researchers found that aerosol particles slow down winds, reducing the availability of clean energy from wind power and leading to decreased precipitation. This can result in droughts and reduced water supplies, with potential impacts on global food security and energy systems.
Despite significant research and development, nanotechnology remains largely unknown to the general public due to a lack of critical analysis and debate in popular media. Social scientists are underrepresented in nanotechnology studies, while some activists fear its potential risks without acknowledging its benefits.
A team of medical ethics and public health experts argue that involuntary isolation measures are justified to contain the deadly XDR-TB strain in South Africa. The forced isolation of extensively drug-resistant TB and MDR-TB infected individuals may be a proportionate response given the extreme risk posed.
A deadly, highly-contagious and drug-resistant mutant strain of tuberculosis is spreading rapidly in South Africa. The World Health Organization warns that the situation poses a potentially explosive international health crisis due to its contagious nature and the presence of millions of migrant laborers.
The University of Texas at San Antonio has received a five-year grant to promote undergraduate interdisciplinary education in mathematics and biology. The Undergraduate Mathematics and Biology Scholar program aims to educate well-rounded students familiar with both disciplines for careers in the biomedical and health-related industries.
Scientists study correlations between solar energy and global ice volume, finding inverse trends that challenge previous studies. They also investigate decomposing methane gas hydrates on the Arctic Shelf, suggesting a possible link to pingos and subsidence.
A new study proposes that two key mechanisms, trait complementarity and barriers to exploitation, explain the structure of actual networks of plants and their pollinators. The models incorporating these mechanisms better mimic real networks, suggesting a balance between specialist and generalist interactions.
Scientists at the University of York are investigating the potential uses of carbon monoxide in treating disease, particularly high blood pressure, heart disease, and cancer. The three-year study aims to develop molecules that release carbon monoxide slowly and tuneably for bioapplications.
Research ethics committees in Africa often lack adequate funding, staffing and training, leading to a focus on scientific aspects over ethical considerations. The study's findings highlight the need for national policies and international support to establish and monitor research ethics committees across the continent.
A new study reveals that viruses share common DNA replication mechanisms, with the SV40 T-ag protein facilitating DNA binding and assembly of complex proteins. This discovery sheds light on a complex process previously difficult to investigate in eukaryotes.
Scientists discovered that cells passed from mother to child during pregnancy can differentiate into functioning islet beta cells producing insulin. Higher levels of maternal DNA were found in the blood of children and young adults with Type 1 diabetes, suggesting a beneficial role for microchimerism.
Researchers found that radiation therapy significantly reduced breast cancer recurrence and tumor development in older women with early-stage disease. The study, published in CANCER journal, recommends standard therapy for women of all ages and comorbidities, including mastectomy or breast conserving surgery with radiation.
An international group of eating disorders researchers states that families do not cause anorexia nervosa, contradicting Gisele Bundchen's claim. The data suggest a strong genetic component may be the root cause of this illness.
A new study found that rapid flu tests can significantly reduce the use of antibiotics in hospitals, which is crucial in combating antibiotic resistance. The study showed that patients whose flu was confirmed early on were treated with antibiotics less often than those whose flu wasn't identified immediately.
A comprehensive MIT-led study assesses the feasibility of enhanced geothermal systems to increase US geothermal resource recovery. The report finds that heat mining can be economical in the short term and has a lower environmental impact compared to fossil fuels.
Researchers at Iowa State University have created a new type of bioplastic that can be used to make durable hog feeders. The feeders are made from a combination of corn and soybean oils, which are significantly cheaper than traditional petrochemicals.
A mathematical model predicts that international cooperation on sharing antiviral drugs is key to slowing down the spread of a bird flu pandemic. The 'reproductive number' of the virus plays a critical role in determining its potential for global spread.
Researchers at UC Irvine have developed a novel method to measure carbon dioxide levels from fossil fuels by analyzing corn samples collected from nearly 70 locations nationwide. The study found that California and the Ohio Valley had the most fossil-fuel-emitted carbon dioxide, while the Colorado region had the least.
Scientists have made a surprising connection between Alzheimer's disease and the body's arterial system. Reduced blood flow in the brain precedes cognitive decline in patients with Alzheimer's disease.
Researchers at UIC aim to develop a compound blocking mania associated with bipolar disorder, improving on dated 'mood stabilizers' like lithium and valproic acid. The goal is to create safer, more effective treatments for the mental illness affecting over 2 million Americans.
Researchers found that human circadian clocks couple to local sun time, with chronotypes becoming later in densely populated areas. City dwellers experience decreased influence of local sun time relative to rural residents.
Research ethics committees in Africa struggle with inadequate funding, staffing, and training, hindering their effectiveness. Despite these challenges, many RECs have shown promise by prioritizing ethics and having predictable funding.
Researchers found that radiation therapy after lumpectomy and tamoxifen treatment significantly reduced the risk of cancer recurrence and new tumors in older women with early breast cancer. The study's findings support providing high-quality care to all patients, regardless of age.
Researchers found graded associations between psychosocial factors and inflammatory markers, with cynical distrust strongly linked to increased inflammation. The study suggests that behaviors such as smoking may mediate the link between psychosocial factors and cardiovascular disease risk.
US physicians tend to start treatment sooner and are more aggressive in controlling blood pressure, with 63% of patients having their blood pressure under control. However, vast room for improvement exists, with less than two-thirds of patients reaching guideline-set goals.
A study of 5,008 adults found that daily use of selective serotonin reuptake inhibitors (SSRIs) is associated with a doubled risk of certain fractures. The use of SSRIs was also linked to an increased risk of falls and decreased bone mineral density.
Researchers have found that motor protein myosin X travels along the actin filament of a neuron's backbone, delivering the DCC receptor to its periphery where it interacts with netrin-1. This process enables axons to grow in the right direction and form synapses.
Researchers found that some dogs are responding to seizures caused by psychological conditions, rather than epilepsy. People with psychogenic seizures need psychiatric evaluation and treatment, not specialized training for epileptic seizures.
Researchers at VBI have identified a potential target for inhibiting excessive glucose production in type 2 diabetics by modulating the activity of key enzyme phosphoenolpyruvate carboxykinase. This approach could lead to the development of novel therapeutics to slow down but not eliminate glucose overproduction.
A study found that rapid influenza testing led to decreased antibiotic use among hospitalized adults, with a 14% reduction in antibiotic discontinuation compared to those without positive test results. The findings suggest that prompt diagnosis and targeted therapy can help minimize unnecessary antibiotic use.
The study reveals that PTEN-deficient intestinal stem cells can lead to changes increasing the number of stem cells and altering their position, resulting in crypt fission and budding. This process can initiate intestinal polyposis and uncontrolled tumor growth.
A study found that providing regular acupressure treatment sessions twice a day for five days a week significantly reduced verbal and physical attacks, wandering, and agitation levels in dementia patients. The benefits were seen after four weeks of treatment, but agitation levels rose again once the treatment ended.
A study found that selenium supplements increased blood selenium levels and suppressed HIV viral load in patients with HIV. The results suggest that selenium may be a safe and inexpensive adjunct therapy to conventional pharmacotherapy.
Researchers have adapted bacteria in the human gut to produce human growth factors that repair colon cells, reducing inflammation in IBD. The treatment uses a plant sugar called xylan, found in tree bark, to control the release of the medicine.
Researchers found maternal cells in children with type 1 diabetes that produce insulin and may aid in pancreas repair. The study indicates that microchimerism, the transfer of mother's cells to child during pregnancy, might have therapeutic benefits.
Researchers at Duke University Medical Center discovered that brain region activation predicts altruistic behavior, suggesting that the ability to perceive meaningful interactions is critical for altruism.
Researchers found that blocking TGF-beta activity with losartan restores normal muscle structure and function in genetically engineered mice with Marfan syndrome and Duchenne muscular dystrophy. The treatment improved strength, reduced fatigue, and restored muscle architecture.
Marine scientists discovered that baby fish can find their way back to their home coral reef by using their sense of smell, braving strong currents and predators. This unique ability has major implications for how reefs are managed and drives evolution on the Reef.
Researchers have identified a set of genes controlled by Foxp3 that lie at the core of autoimmune disease. The discovery provides an initial map of regulatory T cell circuitry and may help develop new methods for manipulating immune system activity.
Researchers developed Interferometric Synthetic Aperture Microscopy, a novel technique that produces crisp three-dimensional images from out-of-focus data. This method can perform high-speed, micron-scale imaging without time-consuming processing or sectioning of tissue.
Scientists at Oxford University have identified a surprising way to switch off a gene involved in cell division using a previously unknown type of RNA. This discovery could lead to new anti-cancer treatments by inhibiting the production of an enzyme that controls thymine production.
A new study published in the European Heart Journal has found that high-level endurance athletes with ventricular arrhythmias often have dysfunctional right ventricles. The research suggests that endurance exercise may contribute to changes in the heart that lead to dysfunction and heart rhythm disturbances.
Researchers at Mayo Clinic Cancer Center found that giving patients both radiation and chemotherapy after completely removing invasive pancreatic cancer significantly improves patient survival rates. More than half of the 454 patients who received adjuvant therapy survived two years, with a five-year survival rate of 28%.
Glenn Micalizio, Yale Assistant Professor, has been awarded the Eli Lilly Grantee Award for his research on simplifying organic chemistry. His work focuses on developing new methods for forming carbon–carbon bonds to facilitate drug discovery.
Researchers at NIST created nanodot arrays with uniform response to magnetic fields, reducing variation by 5% and identifying key design cause. This breakthrough enhances prospects for commercially viable nanodot drives with increased storage capacity.
Researchers at NIST developed a copper bullet with unique markings to aid in tracing guns used in multiple crimes. The Standard Bullet enables crime labs to optimize their computerized optical imaging instruments, improving the quality of gun trace analysis.
Researchers at Rush University Medical Center found significant differences between antihypertensive drugs and their risk of new-onset diabetes. ACE-inhibitors and ARBs prevent diabetes, while diuretics and beta-blockers increase the risk. The study analyzed 22 long-term randomized clinical trials and included 143,153 patients.
Researchers developed a new screening process using chemiluminescent light and toluidine blue dye to improve diagnosis accuracy for early-stage oral cancer. The study found that this approach can reduce unnecessary biopsies and false negatives, leading to better patient outcomes.
Researchers at the Hollings Marine Laboratory have uncovered a subtle chemical pathway by which Pfiesteria piscicida can produce a lethal toxin. The discovery resolves a long-standing mystery surrounding occasional mass fish kills on the East Coast.
The National Institute of Standards and Technology has developed a new set of Standard Reference Materials to improve workplace safety by accurately measuring respirable quartz dust. These materials cover the range between 5 micrograms and 1000 micrograms of quartz per filter, typical of the field's range.
MIT researchers have developed a new method to produce strong and stretchy nanocomposite materials, similar to spider silk. These materials can be used to strengthen packaging materials and develop tear-resistant fabrics or biomedical devices.
Researchers at University of Texas M. D. Anderson Cancer Center found that aspirin significantly improves survival rates among cancer patients with low platelet counts who experience heart attacks, even when taking anticoagulants. Aspirin also showed benefits for patients with normal platelet counts.
A study presented at a symposium found that 80% of advanced head and neck cancer patients responded well to chemotherapy and radiation, eliminating detectable disease in the neck. Of these, 85% maintained long-term remission without needing further invasive surgery.
A large international study involving 83 sites will test 3,000 patients to evaluate the impact of exercise training on death and hospitalization in heart failure patients. The trial, called HF-ACTION, is the largest randomized clinical trial of exercise training ever performed.
A recent Pittsburgh ear study has found no significant impact of fluid in the middle ear on developmental outcomes in children up to age 11. The study, which tracked over 6,300 children, suggests that most children with fluid can wait without intervention.