The study found that a hormone called fibroblast growth factor 15 (FGF15) limits the production of bile acid by the liver. FGF15 is produced in response to high levels of bile acid, triggering its secretion and regulating the body's digestive processes.
Researchers analyzed data from a large trial and found no safety concerns for patients with very low LDL levels. The study suggests that intensive statin therapy may be beneficial even when LDL levels drop below targeted levels.
The inaugural issue of Alzheimer's & Dementia focuses on the link between a high-folate diet and lower Alzheimer's disease risk, with studies showing a 55% reduction in risk for older adults. The journal will publish quarterly, offering valuable resources for professionals in the field.
A study by Duke University Medical Center discovered a gene that is more active in obese individuals, causing skeletal muscle tissue and cells to store excess fat. Exercise can potentially change this gene's activity, improving energy balance and enhancing fat burning.
Researchers from Virginia Tech studied the fate of arsenic fed to poultry and found that organic arsenic is biotransformed to inorganic arsenic, which can be toxic. However, surprisingly, low concentrations of arsenic are transported to streambeds instead of being retained by aquifers.
VGTI researchers will investigate West Nile virus susceptibility in older adults, aiming to develop new treatments and a vaccine. The studies will focus on immune system responses and identify factors that increase susceptibility to the disease.
Research reveals that erectile dysfunction is associated with higher levels of C-reactive protein and abnormal blood vessel responses. Men with ED are at increased risk for coronary artery disease, which can lead to heart attacks and strokes.
The age-adjusted average total and LDL cholesterol levels among US adults decreased between 1988-1994 and 1999-2002, with significant declines observed in older adults. Increased use of cholesterol-lowering medication is believed to be a contributing factor to this trend.
Researchers study bacteria's sticking efficiencies on minerals using atomic force microscopes, revealing the impact of pH levels on stickiness. The findings have implications for understanding toxin mobility in geosystems.
Rensselaer Polytechnic Institute is partnering with the National Center for Supercomputing Applications to lead a national environmental monitoring capability. The CLEANER project aims to develop technology and infrastructure for effective prediction of environmental changes.
A new study investigated public attitudes towards funding priorities for diet and health research, which will inform BBSRC's strategic decision-making. The study found that the public has specific and sensible priorities for what should be funded, highlighting the importance of stakeholder input in shaping research agendas.
A University College London study found that heat-related deaths were largely unaffected by pollutants such as ozone and particulates. Instead, temperature rises in early summer contributed significantly to mortality rates, highlighting the need for improved heat preparedness.
Stevens will create a plan for an online mechanical engineering program based on initial study findings, which include student populations, faculty requirements and accreditation needs. The program aims to benefit mid-career employees and non-traditional students with flexible and egalitarian education.
Researchers at the Max Planck Institute have cooled single rubidium atoms in an optical resonator for up to 17 seconds, a record-breaking achievement. This milestone demonstrates the potential of atomic manipulation for quantum computing applications.
The study revealed significant changes to the island, including beach erosion and overwash deposition. The data will be used to develop computer models predicting coastal impacts from severe storms.
A new study from Michigan Medicine reveals a direct relationship between smoking and neurocognitive function in men with alcoholism. Long-term smokers showed diminished thinking ability and lower IQ compared to non-smokers, even after adjusting for other factors.
A new protocol uses path analysis to track the impact of land use on streams, identifying key entities and processes that influence aquatic health. By analyzing 10 watersheds, researchers have developed a valuable approach to understanding the 'land-cover cascade' and its effects on stream ecosystems.
Researchers found that vanadium supplementation sped recovery in mice, with 50% faster recovery times in both diabetic and non-diabetic animals. The exact mechanism is unclear but may involve vanadium's metal-related shape or ability to inhibit tyrosine phosphatases.
A genetic study found that the enzyme stearoyl-CoA desaturase-1 (SCD-1) is three times more abundant in muscle of obese individuals than in lean individuals. This elevation in enzyme activity corresponds with diminished fat burning and changes in fat composition.
Researchers at Duke University Medical Center have developed a new monoclonal antibody targeting immune system B cells that shows promise in treating leukemias, autoimmune diseases, and transplant rejection. The treatment effectively depletes malignant B cell tumors and reduces circulating antibody levels.
A new mathematical model developed by researchers at Imperial College London can help reduce the numbers affected by river blindness. The model measures exposure by analyzing how often people were bitten by flies carrying the parasite, providing a better understanding of the role of exposure in the fight against the disease.
EPFL researchers used Photonic Force Microscopy to track Brownian fluctuations of a single particle at microsecond time scales and nanometer length scales, validating the corrected form of the standard theory. This validation underlines the importance of dynamical effects in Brownian motion at very small time scales.
Researchers discover that tropical circulation changes in the Pacific Ocean, similar to El Niño, triggered a large expansion of polar ice sheets and altered Earth's climate. Local climatic changes in the tropics can produce global changes, highlighting the tropics' active role in controlling the Earth's climate.
A new study by UCI researchers found that early life emotional stress can lead to deficits in brain-cell communication for learning and memory function, even in adulthood. Infants subjected to limiting nesting material in cages exhibited behavioral changes later in life, including difficulties with memory and recognition.
The $400,000 award will fund a starshade-shaped 'New Worlds Observer' that blocks parent star light and captures planet images. Scientists can map planetary systems, detect biomarkers and study features like oceans and continents.
Researchers discovered a new hormone called fibroblast growth factor 15 (FGF15) that regulates bile acid production in the liver and prevents damage. FGF15 is produced in the small intestine and can potentially treat conditions like cholestasis by reducing harmful bile acid levels.
A study of 906 breast cancer patients found that comorbidities such as diabetes and hypertension contributed to racial disparities in survival rates. Black patients had shorter overall survival rates, while whites were more likely to die from competing causes.
Fluid inclusions hold clues to understanding metal deposit formation and tracking oil deposits. By studying inclusions, scientists can predict where new fields may be discovered and uncover evidence of water and life on other planets.
Researchers at Jefferson Medical College provide evidence for the conventional theory of voltage-gated ion channel operation. They used a molecular tape measure with high resolution to show that the field through which the voltage sensor's charges moved is very short, lending support to the conventional model.
A study by Louisiana State University researchers has found that Katrina floodwaters were not as toxic as previously thought, but still contained high levels of certain metals and bacteria. The findings suggest that while the floodwaters posed some risks to human health, they were not the chemical catastrophe initially predicted.
A new study by UNC researchers finds that the 'acting white' phenomenon is not a major reason for poor academic performance among black students. Instead, school organization and stigmatization of high-achieving students contribute to the achievement gap.
A study analyzing Medicare records found that patients receiving cardioverter-defibrillators from low-volume physicians experienced significantly higher rates of mechanical complications and infections. Higher-volume physicians showed similar complication rates when performing at least 11 devices per year.
The Lupus Research Institute is awarding $4.5 million to support groundbreaking studies on autoimmune disease, which affects 1.5 million Americans. The grants will be used to investigate the cause, prevention and treatment of lupus, with a focus on novel approaches and collaborations.
Researchers at the University of Minnesota have successfully generated natural killer cells from human embryonic stem cells that can target and destroy cancer cells. The breakthrough research suggests a potential new approach to treating cancers such as leukemia and lymphoma, and may also lead to treatments for infections.
A $2.25 million NSF grant will enhance MorphBank, a morphology database, to facilitate international collaboration and improve image retrieval with advanced search techniques. The system aims to change scientist habits by providing a platform for depositing images, commenting on research results, and accessing relevant information.
Researchers discovered two types of fluids at depths of up to 180 kilometers, with one being a liquid rich in water and the other a thick hydrous melt containing dissolved matter. This study sheds light on the role of hidden fluids in shaping precipitation and volcanic eruptions.
The new study found that full open-access journals face significant financial pressures over the longer term, with 41% reporting shortfalls. In contrast, subscription journals tend to be more profitable, with 81% of HighWire and AAMC journals reporting a profit.
The Center for Nanotechnology in Society at ASU will develop a new model for understanding the interactions of technology and society. It aims to encourage informed discussions, improve policy choices, and technological outcomes for everyone.
Researchers at Purdue University have shown how to use multi-walled carbon nanotubes as measuring tips in atomic force microscopes. The tubes' shape allows them to penetrate nano-structures, but they often stick due to van der Waals' forces. To overcome this, the team found that adjusting operating parameters can prevent artifacts and ...
Researchers found that older animals exhibited an exaggerated inflammatory response in the brain compared to younger adults when exposed to a peripheral infection. This led to prolonged sickness symptoms and cognitive disorders. The study suggests that normal aging may also prime microglial cells, making them overreact to infections.
The ACP Expert Guide to Sports Medicine covers assessment and management of common musculoskeletal injuries and other sports-related conditions. The book is organized in three sections: Overview, Medical Conditions (non-musculoskeletal), and Musculoskeletal Injuries, with tables, illustrations, and case studies.
In Young's double-slit experiment, electrons exhibit both particle-like and wave-like behavior. The Complementarity Principle explains this ambiguity, stating that an electron can be at position A or B, but not both at the same time.
A new study shows that home-based environmental interventions can significantly reduce asthma symptoms and healthcare costs in children. The program, which targeted six major allergen classes, resulted in a 19% decrease in unscheduled clinic visits and a 13% reduction in albuterol inhaler use.
The experimental vaccine combines synthetically modified elements of four HIV genes found in subtypes A, B and C, representing about 85% of HIV infections worldwide. The trial aims to test the safety and ability of the vaccine to generate an immune response in healthy adults.
Hassall's corpuscles produce chemical signals that instruct dendritic cells to develop regulatory T cells, which patrol the body for 'bad' T cells. This discovery opens new avenues for exploring regulatory T cells in autoimmune disease and cancer.
A study confirms that couples using natural family planning have intercourse just as frequently as those using other methods. They engage in more frequent sex before and after fertile times, with less sex during fertile days.
The National Institute of Mental Health expands its public health education effort to address the lack of awareness about depression among Latino men. The new campaign, Real Men Real Depression, aims to teach Latino men that depression is a medical condition affecting both mind and body.
A study on a pay-for-performance program found that clinical quality scores improved only in one area, cervical cancer screening, and that low-performing groups often improved more than high-performing ones. The program's financial rewards were also deemed too low to motivate significant changes in quality.
The USC TREC Center will investigate how to prevent cancer by controlling obesity in children and adolescents, with a focus on high-risk ethnic groups.
US kidney failure rates have stabilized over the past two decades, with diabetes and high blood pressure remaining leading causes. Despite progress, racial disparities persist, particularly among African Americans, who continue to experience higher rates of new cases.
A functional magnetic resonance imaging (fMRI) study found a causal link between playing violent video games and brain-activity patterns characteristic of aggressive cognitions. The research used a novel frame-by-frame method to analyze game content and measured brain activity, physiological measures, and audio data from the game.
A new study at UCI Medical Center will investigate the impact of exercise on growth in premature babies, using bedside nurses to perform daily range of motion exercises for four weeks. The study aims to identify approaches that optimize weight gain and reduce length of stay in neonatal care.
Researchers at Ohio State University are developing a software system to let supercomputers share workload and analyze large amounts of data. This enables faster simulation speeds and improved accuracy in predicting oilfield output, reducing the need for simplification of computer models.
A recent study by Ravi Retnakaran and colleagues found that Aboriginal youths who smoked more than six cigarettes per day had higher systolic blood pressure and plasma homocysteine levels. The study highlights the importance of addressing smoking habits among Aboriginal youth to prevent cardiovascular disease.
A new study at UNC reveals that retired professional football players have a 37% higher risk of Alzheimer's disease due to concussions. The study found that history of recurrent concussions and sub-concussive contacts may be risk factors for late-life memory impairment, mild cognitive impairment, and early expression of Alzheimer's dis...
Researchers found that students learned artificial math and science better when presented using simple, abstract symbols rather than concrete 3-D objects. This challenges the common belief that concrete materials make learning more engaging and increases motivation.
A study found that managed care programs failed to increase colorectal cancer screening rates, with only 26% of eligible patients receiving screening. The intervention program aimed to improve screening practices but had little impact after two years.
A randomized controlled trial found that a top-down approach to promoting colorectal cancer screening in physician organizations had no effect on increasing screening rates. However, the study identified key characteristics, such as integrated medical groups and regular physical exams, which could be targeted for future interventions.
Researchers found that Agulhas eddies, which transport seawater from the Indian Ocean to the South Atlantic Ocean, are large warm rings of water with a diameter of about 300 kilometres. These eddies import considerable quantities of heat into the Atlantic Ocean, contributing to climate change and global warming.
UT Southwestern researchers found that heart failure patients with impaired skin-blood flow responses are at risk of heat-related complications. The study suggests that these patients should be more aware of the heat and seek shade or air-conditioned environments if feeling overheated.