Regular leisure-time physical activity in midlife can lower the odds of developing dementia and Alzheimer's disease by 50-60%. The study found that individuals with genetic susceptibility to AD who engaged in regular physical activity experienced more pronounced effects against developing the condition.
A study of Medicare patients with heart attacks found significantly higher 30-day death rates in December compared to other months, with 22% of those hospitalized in the month dying within 30 days. The study looked for use of proven therapies but authors remain uncertain about the cause of the increased mortality rate.
A survey of pediatricians found that 85% reported encountering a family refusal of at least one vaccine in the previous year. The most common reasons for dismissal were lack of shared goals and trust. Pediatricians may choose to end care for families who refuse vaccinations due to concerns about immunization safety.
The new imaging technique enables rapid acquisition of three planes, reducing examination time to 12 minutes compared to the standard method. Fetal MRI is being increasingly performed due to its excellent view of brain tissue and lack of radiation, usually done when ultrasound is inconclusive.
In KwaZulu-Natal, South Africa, hospital admissions for malaria dropped by 89% after introducing an antimalarial combination called artemether-lumefantrine (AL) and improving mosquito control with DDT. The province also saw a significant decline in outpatient cases and malaria-related deaths.
A team of researchers from Rice University successfully combined computer modeling and experimental results in folding studies for a large, multi-domain protein using free-energy theory. The method worked remarkably well, allowing scientists to predict the folding route of proteins with unprecedented accuracy.
The American College of Clinical Pharmacology (ACCP) implemented a tiered-membership fee policy to lower fees for international members based on economic need. The organization offset costs by offering electronic access to publications, aiming to strengthen clinical pharmacologists' capacity worldwide.
Researchers at Johns Hopkins University discovered that plant-derived compounds can block the activity of an enzyme that triggers inflammation in joints. These phytochemicals, also known as phase 2 enzyme inducers, may provide a new approach to treating arthritis and preventing joint pain.
The NESARC study found that nearly half of those with major depressive disorder (MDD) wanted to die or considered suicide, while also experiencing substance abuse disorders. MDD prevalence varies by age, ethnicity, and comorbidities, highlighting the need for targeted mental health interventions.
A study in children with moderate to severe allergic asthma found that measuring nitric oxide levels in the breath can determine the most effective inhaled corticosteroid dose. The results showed a significant reduction in inflammation level compared to symptom-based treatment. Additionally, an increase in a specific stem cell subtype ...
A recent DNA study has identified a single origin for domesticated potatoes, tracing them back to a broad area of southern Peru. This finding contradicts prior hypotheses of multiple origins and sheds new light on the evolutionary history of one of the world's most widely cultivated crops.
A study found that transcatheter arterial embolization procedures using a digital flat-panel system resulted in lower radiation doses to patients' skin, ranging from 130-467 mGy. This compares to higher doses of 510-1,882 mGy with conventional units.
Steroid treatment has been shown to reduce inflammation of the heart blood vessels by half in children with Kawasaki's disease. The use of steroids combined with aspirin and IVGB significantly decreases the risk of developing serious complications. Most children recover fully from Kawasaki's disease, which is treatable.
A study published in the Journal of Clinical Investigation found a link between a brain protein called CREB and anxiety-related behaviors in rats. Lower levels of CREB were associated with high anxiety and increased alcohol consumption in genetically predisposed rats, suggesting that drinking may be used as a self-medication strategy.
Researchers found that rats bred to prefer alcohol showed more anxiety-like behaviors and drank more alcohol. Reduced anxiety was associated with increased CREB function, suggesting a potential target for therapy.
The crystal structure of IRAK-4 reveals a distinct highly structured loop that differs from its Pelle counterpart, indicating a need for revised molecular recognition and potential new targets for treating arthritis and inflammation.
Tomio Joins Blackwell Publishing to Advance Chemical Biology & Drug Design, Focusing on Smart Chemistry and Innovative Drug Development. Tomio brings extensive experience in small-molecule drug discovery and multidisciplinary research at ARIAD Pharmaceuticals.
A vast majority of US adults are at risk of developing overweight and obesity, with a growing concern that this trend may worsen in the coming years. The study highlights the importance of maintaining a healthy weight through simple steps to reduce calorie consumption and prevent chronic conditions.
A school-based fitness program demonstrates improved body composition, cardiovascular fitness, and insulin sensitivity in overweight children. The study suggests that incorporating physical activity into childhood education can have long-term health benefits.
A study has identified a new molecular chaperone involved in assembling the enzyme complex I of mitochondria. The research found that B17.2L is a key protein required for this process and that it is mutated in patients with progressive encephalopathy.
A new study published in The Journal of Clinical Investigation found that decreased function of the CREB gene transcription factor is involved in anxiety and excessive alcohol drinking behavior. Decreased CREB function was shown to be important for maintaining high anxiety and excessive alcohol drinking. This genetic determinant create...
A study analyzing emergency department visits by young people aged 7-24 years found that nearly half (56.1%) received a mental disorder diagnosis, with depressive disorders strongly associated with inpatient admission. The findings highlight substantial underrecognition of mental illness and inadequate referral for follow-up care.
A pediatrician at Brenner Children's Hospital found that genital warts in young children do not necessarily mean child abuse. The virus causing the warts can also be spread through non-sexual contact, such as from mother to child during birth or through contaminated objects.
A Canadian paper comments on a decline in cystic fibrosis birth rates since the onset of genetic testing. The study found that newborns with cystic fibrosis had lower birth weights and were at higher risk of prematurity compared to non-affected children.
Researchers discover DMT1 protein shields lung cells from toxic particles, including vanadium, by regulating iron transport. The finding offers new insights into lung protection and potential therapeutic applications.
Researchers at Lehigh University developed a method to reduce mercury emissions from coal-fired power plants by modifying boiler operating conditions. The technique achieved a 50-75% reduction of total mercury in flue gas with minimal impact on plant performance and fuel cost.
A new computer model shows that intrinsic noise and biochemical delays generate oscillations in gene regulation, explaining observed variability in cells. This fine-grain analysis also sheds light on why identical twins don't have identical fingerprints.
A study suggests a possible link between amoxicillin use in early infancy and an increased risk of dental fluorosis, a condition caused by excessive fluoride exposure. The research found that the duration of amoxicillin use was related to the severity of fluorosis on permanent teeth.
Researchers found that obese individuals who engaged in physical activity experienced fewer gastrointestinal (GI) symptoms compared to those with sedentary lifestyles. High body mass index (BMI) was linked to increased symptoms of irritable bowel syndrome (IBS), abdominal pain, and diarrhea.
Dr Wayne Thomas will investigate the role of the sonic hedgehog signalling protein in medulloblastoma development and identify target genes that contribute to its formation. His research aims to improve treatment options and potentially prevent this childhood cancer.
Researchers at the University of Wisconsin-Madison have developed a new lithium battery technology that can make batteries smaller, last longer, and accept external charging without surgery. This breakthrough technology uses organosilicon compounds to improve battery lifespan, enabling implantable devices such as pacemakers and microst...
The School of Medicine will research and apply nanotechnology for the diagnosis and treatment of cancer. The nanotechnology offers several advantages, including precise targeting of tumor cells and drug therapies.
Researchers have identified a molecular defect in red blood cells as an important cause of pulmonary hypertension, a potentially fatal lung condition. A new therapy that replenishes SNO levels in the blood has shown promise in reversing the disease.
Researchers discovered that KLF2 regulates embryonic globin genes and maturation of red blood cells in a mouse model, potentially paving the way for future gene therapies. The study highlights the importance of understanding gene regulation in blood disorders like sickle cell anemia and beta-thalassemia.
Researchers have developed a new PNA molecule that can be used to construct nanodevices, thanks to its ability to form stable metal-containing duplexes even with non-complementary strands. This breakthrough could lead to the creation of novel electronic devices and materials.
A new study finds that co-therapy with erythropoietin is more cost-effective than standard treatment for patients with Hepatitis C and treatment-induced anemia. The research suggests that this treatment approach can improve rates of complete cure from the disease, making it a viable option for this patient population.
The Burnham Institute will collaborate with a team of researchers to develop nano-devices that target tumor cells, improve diagnostics and tracking of cancer cells. The project aims to deliver imaging agents and therapeutics directly to cancer cells using 'nano-homing' devices.
A two-year study by Massachusetts General Hospital found that extended-release stimulant medications continue to be effective in controlling ADHD symptoms with minimal tolerance. The study involved over 400 children and showed no clinically significant effects on growth, weight, or cardiovascular health.
A new study reveals that decreased CREB gene function in the brain's central amygdala is involved in anxiety and excessive alcohol drinking behavior. This genetic determinant creates a vulnerable neural substrate that interacts with alcohol to create abuse potential.
The new center aims to develop nanomaterials and nanodevices for cancer diagnostics, therapeutics, drug delivery, imaging, and monitoring applications. Researchers will focus on developing early detection tools, targeting cancer cells with chemotherapeutic agents, and creating new classes of drugs.
Researchers identified alpha-smooth muscle actin (alpha-SMA) as a reliable marker for predicting fibrosis development after liver transplant. Studies showed that HSC activation was associated with advanced fibrosis, suggesting a potential biomarker for early intervention and treatment.
A Medical College of Wisconsin study reveals that up to half of childhood asthma hospitalizations can be prevented with better parent-physician communication about medication, follow-up care, and asthma triggers. The study found that medication adherence issues were a major contributor to preventable hospitalizations.
The Mayo team identified a key protein that fails to recognize specific forms of DNA under certain conditions, leading to defective DNA repair. This discovery holds promise for designing new therapies for Huntington's disease and other neurodegenerative disorders.
A new vaccine targeting the dog hookworm has shown significant benefits in animal studies, reducing hookworm burdens and fecal egg counts. The vaccine protects dogs from severe outcomes like blood loss and anemia caused by the parasite.
Researchers from NSF deployed instruments to measure water temperature and currents in the Gulf of Mexico. The results suggest that deep, warm eddies in the Loop Current play a crucial role in intensifying hurricanes. This study provides new insights into hurricane intensity changes during landfall.
A study by Catherine Limperopoulos, PhD, found that the cerebellum grows rapidly late in gestation and is tightly interconnected with the cerebral hemispheres. Premature babies with cerebellar damage experience significant developmental delays, including motor problems, functional limitations, and global developmental delays.
A new study suggests that ADMA, a substance found in blood vessel linings, may actually contribute to the development of cardiovascular diseases. Researchers found that high levels of ADMA stimulate genes associated with lung, heart, and kidney disease, paving the way for potential new treatment strategies.
The DOE is awarding $92 million to develop biology-based solutions to energy and environmental challenges. The funding supports six research projects that aim to harness the diverse capabilities of microbes and microbial communities to address DOE's mission needs.
A community-level intervention program targeting young adolescents delays early intercourse, increases condom use, and reduces high-risk sexual behavior. The program successfully delayed sexual debut and increased condom use among participants.
Researchers have discovered a synthetic protein, P60 PLAD, that powerfully inhibits arthritis symptoms in mice. The study suggests that this protein could represent an advantage over current treatments, which directly block tumor necrosis factor alpha by binding to both TNFRs and inhibiting beneficial actions mediated by TNFR-2.
The EU-funded sleep restriction project aims to characterize the effects of sleep loss on performance, mood, and quality of life. Researchers from five countries are working together to provide funding for doctoral and post-doctoral researchers and a high-level research training program.
The Genomics: GTL Roadmap outlines a plan to explore microbial DNA sequences to produce new science needed for clean energy and environmental needs. The roadmap will spur growth in industrial biotechnology sector, using microbes for processes and products that can serve as an engine for economic competitiveness.
A recent brain navigation study found that rats use the medial mammillary nucleus to solve navigational problems, which may be similar to how humans think. The study suggests that a sense of direction is crucial for spatial awareness and athletic performance.
Pediatricians report encountering vaccine refusal in 85% of cases, with the most common reasons being safety concerns, philosophical reasons, and religious beliefs. Some physicians may choose to dismiss families from their practice if parental vaccine refusal is not addressed.
A study by Hong and Raudenbush found no evidence that kindergarten retention improves academic achievement, nor benefits children promoted under the policy. However, it was effective for high-risk children, but at the cost of constrained learning potential.
The National Stem Cell Bank (NSCB) will provide comprehensive characterization of human embryonic stem cell lines and distribute them to investigators at a lower cost. This move aims to increase the use of stem cells in research and potentially lead to therapies for diseases, with WiCell handling technical support and training.
Researchers found that reducing clk-1/mclk1 activity promotes longevity in mice, similar to the effect seen in C. elegans. The study also discovered that mclk null cells have a growth advantage due to resistance to oxidative stress.
The National Institute of Allergy and Infectious Diseases has awarded $60 million to support the development of new tularemia vaccines. This contract is part of a larger NIAID biodefense awards package, which includes funding for Regional Biocontainment Laboratories and research on high-priority pathogens such as anthrax and smallpox.
A double-blind trial found that buprenorphine combined with behavioral interventions was significantly more efficacious in treating opioid-dependent adolescents than clonidine. The study also showed that 72% of teens who received buprenorphine were retained in treatment, compared to 39% of those given clonidine.
Scientists discover that constant stimulation of antigens is necessary to maintain anergy in self-reactive B cells, which can lead to autoimmune diseases. The study suggests that pro-inflammatory products or bacterial infections may trigger the loss of anergy and activate these cells.