A study published in the American Journal of Preventive Medicine found that electronic cigarettes can help smokers quit, with a 31% six-month abstinence rate among respondents who purchased e-cigarettes first. The average abstinence rate for traditional nicotine replacement products was between 12 and 18 percent.
A groundbreaking study found that mesenchymal stem cells delivered through the nose improved motor function and increased dopamine levels in rats with Parkinson's disease. This non-invasive approach offers a safer alternative to surgical transplantation.
Researchers at Fraunhofer Institute for Integrated Circuits IIS develop an electronic fitness trainer that collects data on user movements and breathing, providing personalized feedback and advice. The system aims to motivate users towards regular exercise and improve physical well-being, particularly for older adults.
Researchers created a new catalytic material that is harder, more chemically active, and provides stability for fuel cells. The material combines graphene with metal oxide nanoparticles, resulting in improved performance and durability.
A new analytical technique makes it easier to analyze rocks and soils on Mars, possibly indicating signs of life. The tool combines mass spectrometry with laser ablation and an ion funnel, allowing for in-situ analysis without sample handling.
The study reveals a miniature version of the 'water hammer' effect, which causes pressure spikes in water droplets on textured surfaces. This insight could lead to the design of more effective superhydrophobic surfaces for various applications, including energy efficiency improvements.
New research reveals that native residents are more likely to leave neighborhoods with growing immigrant populations, with decreasing homeownership rates and increasing housing costs playing a role. Meanwhile, large concentrations of immigrants outside the neighborhood reduce the likelihood of native black and white residents leaving.
A study shows that great bustard males use their 'beards' to signal their weight and age, avoiding bloody fights and increasing reproductive success. The study found that the heaviest males with well-developed plumage are more attractive to females and avoid confrontations.
Researchers at the University of Cincinnati and industry experts predict a range of exciting new electronic devices in the near term and beyond. These include color e-readers with high-speed functionality, electronic shelf labels that can be updated in seconds, and flexible screens for new applications like signage and Glow Boards.
The Muscular Dystrophy Association has awarded $13.5 million in grants to support new research on neuromuscular diseases, including muscular dystrophies and ALS. The funding will aid in advancing understanding of disease processes and developing therapeutic strategies for these devastating conditions.
Researchers at Washington University School of Medicine discovered a gene that limits lung damage during acute stress. The bcl3 gene prevents excessive neutrophil production, which can cause life-threatening breathing problems and rapid lung failure.
Babies born to HIV-infected mothers have lower antibody levels, making them more susceptible to illnesses like pneumonia and meningitis. Vaccination shows promise in boosting their immune response.
A new study published in Medical Care found that even steep reductions in co-pays for outpatient mental health care do not motivate more seniors to seek care. Despite parity legislation and reduced co-pays, participation in mental health services remained unchanged, except for black seniors who saw a slight increase.
Researchers tagged and tracked leatherback turtles for five years, revealing why they linger in the gyre despite its nutrient-poor conditions. The data suggest that jellyfish are abundant in the area, providing a crucial source of food for the turtles, which explains their feeding behavior and diving patterns.
Researchers used fruit flies to study fetal alcohol syndrome, finding that prenatal alcohol exposure can cause developmental problems such as intellectual disabilities and abnormal facial features. The study establishes a new model system for studying FAS, which may lead to the development of new therapies.
Researchers found no repeated earthquakes on the same fault segment in China over 2000 years, suggesting a new fault system should be considered for future large earthquakes. Mid-continent earthquakes are linked to interacting faults across a large region.
A significant study found that inadequate sleep is associated with an almost 50% increase in the risk of colorectal adenomas compared to those sleeping at least seven hours per night. The researchers suggest that effective intervention to improve sleep duration and quality could be a new avenue for preventing colon cancer.
Researchers measured charisma using empathy, good listening skills, eye contact, enthusiasm, and self-confidence. The study found that these attributes can be acquired rather than innate, suggesting that charisma can be learned.
The study found that three urocortin proteins play a central role in regulating stress responses and shutting down the stress response. Genetically engineered mice lacking these proteins showed impaired recovery from stress, highlighting their importance in returning to normal behavior.
Researchers have uncovered the efficient survival mechanisms of Oxyrrhis marina, a microscopic dinoflagellate that can harness energy from light and digest prey with acquired genes. The study shows that this unique organism has picked up a gene for photosynthesis from its bacterial prey.
Researchers link declining litter sizes to loss of sea ice in Hudson Bay, predicting significant threat to western polar-bear population. Climate change could reduce energy availability for pregnant females, leading to failed births or natural abortions.
Cell Press won the PROSE Award for Excellence in Biological & Life Sciences for its 'Article of the Future' format, which offers a personalized reading experience. This award reflects Elsevier's and Cell Press' commitment to evolving scientific publications with new technologies.
The STEREO spacecraft provide a 360-degree view of the Sun, allowing NRL researchers to map its entire atmosphere continuously. This capability enables them to study the solar corona and inner heliosphere in unprecedented detail, shedding light on the evolution and structure of the solar atmosphere.
Researchers found that dutasteride is impractical due to high costs and marginal impact on survival and quality of life for at-risk groups. The medication's annual cost of $1,400 outweighs its benefits, making it less effective as a preventive measure.
A recent economic crisis has led to a surge in income inequalities, which have been linked to an increased risk of depression, suicidal ideation, and suicide attempts. The study highlights the growing gap between socio-economic groups, with lower-income individuals facing a higher risk of mental health issues.
A new University of Michigan study suggests that routine analysis of pediatric tonsillectomy specimens may not be worth the money. The analysis rarely leads to the discovery of hidden disease. Pathologists examine tonsillectomy specimens in two ways, but microscopic examination is nearly three times more expensive than visual inspectio...
Despite significant improvements in childhood cancer survival rates, research funding is inadequate and collaboration among countries is limited. The report calls for increased EU funding to support a Europe-wide clinical trials network and the creation of a European Childhood Cancer Epidemiological Registry.
A mathematical model created by Andrew Ching shows that fewer firms enter the marketplace when drug approval times are shorter, potentially reducing prices. However, companies may experience losses due to development costs and uncertain review processes.
The study maps global digital divide tiers, revealing four tiers of countries based on ICT access. Developed nations dominate the top tier, while African nations account for most of the lowest tier, indicating significant disparities in computer use and internet access.
Researchers are developing a smartphone app to track air pollution exposure over time, providing a more accurate method for assessing health risks. The two-year study will use GPS-equipped smartphones to collect data on participants' locations and air pollution levels.
The freshwater crustacean Daphnia pulex has been found to have the most genes in an animal, with approximately 31,000 genes. This discovery was made possible by the sequencing of its genome and provides unprecedented insights into how an organism's genome interacts with its environment.
Elevated levels of cardiac enzymes after CABG surgery linked to increased mortality risk, particularly among those with high biomarker levels. Higher CK-MB ratios were associated with greater death risk, with a ratio value of 4-5 predicting more than double the expected 30-day mortality.
A new open digital brain atlasing framework, combining Waxholm Space and Digital Atlasing Infrastructure, facilitates the integration of genetic, anatomical, and functional imaging studies. This framework is expected to catalyze both basic and medical neuroscience research by linking genetic studies with large-scale brain structure and...
Researchers found a link between atrial fibrosis detected via DE-MRI and increased thromboembolic risk in AF patients. The study suggests using DE-MRI to supplement existing risk assessment tools for better allocating anticoagulation therapies.
A systematic review of 54 studies found that higher adolescent drinking is associated with adult problems, but evidence for causality is limited. The authors recommend reducing late adolescence drinking to prevent long-term harms.
A study by University of Illinois professor Alejandro Lleras found that brief diversions from a task can dramatically improve one's ability to focus on that task for prolonged periods. The study tested participants' ability to focus on a repetitive computerized task under various conditions, and showed that taking brief mental breaks h...
A new study concludes that the air pollution control measures implemented in Beijing during the 2008 Olympic Games can significantly reduce lifetime lung cancer risk. If continued, these measures could lead to about 10,000 fewer lifetime cases of lung cancer.
A recent study revealed that more than one in three hospital patients are malnourished, with rates as high as 70% in residential aged care. Malnutrition increases hospital length of stay and health care costs. Experts call for better education and screening to address this issue.
A recent study published in PLoS Medicine found that Zimbabwe's HIV epidemic has declined dramatically, with the percentage of infected individuals dropping from 29% to 16% between 1997 and 2007. The researchers attribute this change to improved public awareness of AIDS deaths and a subsequent fear of infection.
A new study reveals that deaf people in Nicaragua who developed their own 'homesigns' language lack a complete understanding of numbers greater than three. The research suggests that language plays a vital role in learning mathematical concepts, including the value of large numbers.
Researchers predict nearly 1.3 million cancer deaths in Europe in 2011, with a 7% drop in men's death rates and a 6% decrease in women's mortality. The number of lung cancer deaths is increasing steadily, particularly among Polish and UK women, while breast cancer mortality falls.
A recent study proposes a new method for assessing the societal benefits of mandating more stringent food processing practices. Consumers were surveyed and found willing to pay $305 million annually for a 10% reduction in E. coli contamination, exceeding a previous USDA estimate of $446 million.
Two new studies provide definitive evidence that administering a naturally-occurring enzyme called oxolacetate can reduce glutamate levels and improve outcomes in stroke patients. High glutamate levels correlate with poor outcomes, while high oxolacetate levels are associated with better recovery.
Scientists at Washington University School of Medicine have identified a protective mechanism in Streptococcus pyogenes that could be exploited to create new antibiotics. The discovery reveals how the antitoxin blocks the toxin's activity, sparing the bacteria from self-destruction.
A new study by Robert Faris and Diane Felmlee found that popular adolescents are more likely to engage in aggressive behavior towards their peers. However, students at the top of the social hierarchy, along with those at the bottom, exhibit reduced levels of aggression.
A pharmacist-directed anticoagulation service improved the management of heparin-induced thrombocytopenia (HIT) in patients. Patients treated by the service responded to alternative anticoagulant drugs three times faster, and were 32% more likely to receive proper dosing.
Researchers at Purdue University have developed a new type of biological and chemical sensor using thin stripes of a gelatinous material called a hydrogel. The sensor is highly sensitive and can measure changes in pH smaller than one-1,000th on the scale, enabling environmental monitoring and glucose monitoring.
Researchers discover nematodes stick together like Cheerios in milk, but surprisingly don't gain mechanical advantage by grouping. This phenomenon sheds light on capillary forces in colloidal particles.
Researchers warn that wolverines' habitat is likely to warm dramatically due to climate change, threatening their survival. Snowpack that lasts through winter and well into spring is crucial for wolverine young, but projected warming could imperil their ability to adapt.
Researchers have discovered a link between a variation of the BDNF gene and Alzheimer's disease, with those carrying the gene more likely to exhibit thinner temporal lobe structures and disrupted neural connections. This breakthrough study could lead to early identification and intervention for the disease.
Researchers have created a novel technique to detect transiently folded protein structures in intrinsically disordered proteins, such as α-synuclein. This method enables scientists to study the mechanism of plaque formation in neurodegenerative disorders and potentially develop new ways to regulate these complex proteins.
Researchers identify two distinct neuronal signaling pathways activated by Imiquimod, a topical cream that treats skin diseases while inducing severe itching as a side effect. The study may lead to designing future drugs that effectively treat targeted conditions while blocking problematic itching and scratching.
A new study published in Psychological Science found that people are more likely to abandon a failing investment when they focus on their hopes and aspirations, rather than their duties and obligations. This suggests that changing one's mindset can help individuals make more rational decisions about continuing or ending a project.
A recent study by researchers at the University of California - San Diego suggests that medication education is a key factor in helping patients with diabetes stick to their drug treatment plans. Counseling opportunities can be more effective if pharmacists understand individual patient motivations and provide tailored advice.
Researchers have identified a protein that corrects errors in the brain's neuronal connections during development. Bone morphogenetic protein 4 (BMP4) helps eliminate incorrect connections, establishing proper specificity in the cerebellum and potentially contributing to neurological disorders like autism.
Researchers from the University of Granada and CSIC have made significant progress in understanding lipid membranes used in drug products and gene therapies. The study discovered how certain membranes can invert their surface electrostatic charge, allowing them to function as positive charges in specific circumstances.
Studies reveal marine ferromanganese crusts as potential mineral resources, while CO2 emissions from volcanic lakes are also highlighted. Additionally, progressive uplift of the north Tibetan Plateau is confirmed since the middle Miocene, with implications for geological processes and catastrophic events.
A study found that removing only the first lymph node (sentinel lymph node dissection) did not impact overall survival for women with early-stage breast cancer. The use of this method resulted in fewer complications compared to more extensive axillary lymph node dissection.
A study found that infants exposed to HIV at birth but not infected had lower antibody levels to diseases like pertussis, tetanus, and pneumococcus. This group is vulnerable to infections and has higher mortality rates compared to uninfected infants.
A $4.7 million grant from the USDA will strengthen K-12 education related to sustainable bioenergy production in northern Wisconsin. The POSOH project aims to connect researchers, educators, and students from diverse backgrounds to prepare rural youth for bioenergy- and sustainability-related careers.