A new report by Johns Hopkins Bloomberg School of Public Health found that 66 percent of Marylanders without advance medical directives may face deficiencies in end-of-life care across the US. The results indicate a disconnect between what people want for their medical decisions and their actions to ensure those preferences are carried...
At the AAAS Meeting, Caltech researchers presented on various topics including linear colliders, climate change, and earthquake science. Caltech's Alice Huang will be installed as the next president of the AAAS. Researchers discussed the Second Law of Thermodynamics and its implications for our understanding of time.
Fatal car crashes among young female drivers in the US have seen a rise in alcohol-related incidents, with rates among young men declining over the study period. Notably, young women's rates were lower but showed less predictable patterns, including an increase in positive blood tests at certain ages and times of the week.
Researchers developed a method to distinguish driver mutations from passenger mutations in cancer genomes by analyzing deletions at known tumour suppressor genes and fragile sites. The study found at least one in nine genes can be removed without killing human cells.
Researchers at CU-Boulder's Brookhaven National Laboratory collaboration used RHIC to create a 'quark-gluon plasma' with temperatures hotter than supernova explosions, recreating Big Bang conditions. The team aims to study the universe's first microseconds after the Big Bang.
Researchers at Georgia Tech are testing a mobile phone system called EatWell to encourage healthy eating habits. The system uses audio stories to connect community members and promote peer support, with surprising results showing that participants felt a sense of community despite limited interaction.
The genome sequencing of three parasitoid wasp species offers new insights into the genetic mechanisms of evolution and their importance in controlling agricultural pests. The study identifies key genes responsible for venom production and reveals that these proteins have important physiological effects on host cells.
A computer simulation of protein malfunction related to Alzheimer's disease was created by researchers at Universitat Autonoma de Barcelona and University of Stockholm. The model shows that ApoE4 loses its functional structure in the presence of Amyloid beta, but not ApoE2 and ApoE3 forms.
Researchers at U-M Comprehensive Cancer Center found a third protein, TIN2, that overrides Fbx4 by binding to TRF1, stabilizing it and keeping telomere length in control. This finding could lead to developing a drug to block Fbx4, impacting all cancer types.
Belatacept demonstrates effective immunosuppression with fewer side effects and superior kidney function compared to cyclosporine. The study found a higher early rejection rate but better long-term graft survival rates.
A recent study published in Cancer journal by HealthCore confirms disparities in breast cancer treatment between African-American and white women. White women were more likely to receive anti-estrogen therapy compared to African-American women, despite both groups having similar cancer stages. The study highlights the need for improved...
A field study by Rensselaer Polytechnic Institute's Lighting Research Center found that teenagers who missed morning light exposure experienced a 30-minute delay in sleep onset. The researchers believe that schools can be designed to provide adequate daylight to stimulate the body's natural sleep/wake cycle.
The prevalence of any chronic condition among US children has significantly increased over two decades, with obesity being one of the most prevalent conditions. The study found that having a chronic condition was dynamic over time, and different groups had varying rates of new cases and remission.
A study by Kansas State University researchers found that independently owned ethnic restaurants had significantly more food safety violations, including time and temperature control, hand washing, and proper use of utensils. The research aims to help restaurant owners improve their food handling and safety records.
A new study conducted at Uppsala University reveals that the two skulls believed to be from Saint Bridget and her daughter Catherine are not from maternally related individuals. The findings suggest that the skulls may not be authentic, contradicting centuries-old historical records.
A Canadian Medical Association Journal article calls for legislative measures to address the growing epidemic of obesity, diabetes, and cardiovascular disease. The authors propose taxes on high-calorie foods, physical activity incentives, and advertising restrictions to encourage healthier habits among children.
Researchers have identified four mRNA biomarkers in saliva that differentiate pancreatic cancer patients from non-cancer subjects with high sensitivity and specificity. The findings suggest a potential role for salivary diagnostics in early detection and treatment of pancreatic cancer, a leading cause of cancer death.
A team of researchers has discovered the mechanism behind Frank-Ter Haar syndrome, a rare fatal disorder that affects children's skeletal, cardiovascular, and eye health. The study identified TKS4 as a critical protein involved in the condition.
Physicians need to educate patients about migraine triggers and lifestyle factors, such as stress, sleep schedule, and diet. Preventative therapy is often ineffective, with only 50% or more of patients experiencing a reduction in headache frequency.
Developing local human capacity is key to implementing e-health tools in low-income countries, but a chicken-and-egg problem exists. Dr. Tierney's East African Center of Excellence in Health Informatics has built upon decades-long collaborations to train individuals and implement health information technology tools.
Researchers at the University of Calgary have made a groundbreaking discovery linking ion channels to regulate brain electrical activity. The study found that specific ion channels work in tandem with each other to control nerve impulse timing, redefining how neuronal activity is controlled.
Phononic Devices partners with OU for breakthrough thermoelectric technology, promising increased efficiency in power generation and waste heat removal. The $3M ARPA-E grant enables further development and commercialization of the tech.
Infants born to bilingual mothers show different language preferences than monolingual infants. Bilingual babies exhibit equal interest in both languages, suggesting prenatal bilingual exposure prepares them for multilingualism. Discrimination between languages helps prevent confusion, enabling young bilinguals to navigate two languages.
Research found high vitamin D levels reduce cardiovascular disease (33%) and type 2 diabetes (55%) risks. Vitamin D deficiency may contribute to cardiometabolic disorders.
Research suggests that delaying complementary food introduction is associated with lower risk of obesity in adulthood. The study found that each month delayed introduction of vegetables was linked to a 10% reduced risk of being overweight at age 42.
A renowned science educator, Marvin Druger, reflects on his mission to inspire students to enjoy the adventure of learning. His new book, Practical Perspectives on Science Education, offers practical tips, personal reflections, and a passion for making science education meaningful and motivational.
New research reveals statin therapy increases type 2 diabetes risk by 9% in trials, yet the absolute risk is low compared to coronary event reduction. The study found higher diabetes risk among older participants and no influence of LDL cholesterol levels.
Researchers found that land gastropod fauna are a good indicator of forest recovery following fires, with some species surviving in closed refuges. The study's findings suggest that post-fire forestry operations must consider the impact on these sensitive species to ensure their survival and habitat diversity.
Researchers aim to improve contraceptive use and reduce unintended pregnancies among HIV-positive women in Kenya. The study, supported by the Bill and Melinda Gates Foundation, will evaluate an integrated model of HIV care and family planning services.
Researchers studied organic carbon-rich sediments from an ancient seabed to learn about a devastating event when oxygen levels in the oceans dropped so low that one-third of marine life died. The studies found that volcanic activity triggered a biogeochemical cascade, leading to a decrease in atmospheric carbon dioxide levels.
A recent study published in Learning and Instruction found that home literacy environments and motivation play a significant role in predicting children's initial literacy skills, which ultimately affect their future reading ability. Reading to kids regularly is essential for English-speaking children to acquire language skills.
A new study found that critically ill patients with H1N1 influenza do not need increased Tamiflu dosages, contrary to international guidelines. The study showed that the 75 mg twice daily dosage of Tamiflu was well absorbed in these patients.
Researchers developed biological probes that can stick to and light up tumors in mice, allowing for more accurate tumor removal and improved survival rates. The probes enabled surgeons to visualize areas of tumors they wouldn't ordinarily see, reducing cancer cells by 90% on average.
Corn nematode populations are widespread in Illinois, with over 90% of fields sampled having lesion nematodes that can cause significant yield reductions. Experts recommend taking soil samples and using specific management strategies to mitigate the issue.
The study, published by the Oklahoma Tobacco Research Center, reveals hazardous air quality levels due to secondhand tobacco smoke in 'smoking' rooms. The average particulate level measured was beyond the EPA's hazardous extreme, posing a risk to employees and patrons.
Research found that split-course palliative radiotherapy reduced patients' symptoms by 52-84% and provided long-lasting relief in 58% of cases. Cancer survival rates were not adversely affected by a two-week break in treatment, demonstrating the regimen's potential as an optimal option for symptom management.
Researchers found that butterflies with a duplicate gene can see ultraviolet colors and have UV-yellow pigment on their wings, facilitating mate searching and reproduction. This link between vision and wing colors may be an adaptive advantage for these butterfly species.
Researchers found subtropical waters as warm as 39 degrees Fahrenheit in Sermilik Fjord, contributing to glacier melting. The study highlights the rapid communication between ocean circulation and glaciers, shedding light on a previously unknown connection not currently included in climate models.
Researchers at the University of Michigan developed an artificial foot that recycles energy wasted in between steps, reducing energy spent per step by 14% compared to conventional prosthetic feet. This innovation could significantly improve walking efficiency for individuals with lower limb amputations.
Researchers found that adding daclizumab to standard treatment for relapsing multiple sclerosis reduced the number of new or enlarged brain lesions. The study also showed an increase in immune cells called CD56bright natural killer cells, which may help regulate the immune system.
Research by USDA scientists found that oat compounds called avenanthramides decrease inflammatory molecules and inhibit proinflammatory cytokines. This suggests potential health benefits for heart disease prevention beyond lowering blood cholesterol levels.
A study of over 19,000 women found that a genetic risk score based on multiple genetic markers was not associated with improved cardiovascular disease (CVD) risk prediction. Despite this, traditional factors such as family history and intermediate phenotypes like cholesterol levels remained significant predictors.
The Cochrane Systematic Review found that the evidence for influenza vaccine effectiveness in adults aged 65 and over is limited, with most studies being of low quality and open to bias. The review suggests that vaccination has modest benefits at best.
Researchers investigating UK samples have found no association between XMRV and chronic fatigue syndrome, contradicting a previous report. The study suggests that CFS may encompass a range of diseases and that further investigations are needed to confirm or rule out an association with XMRV infection.
Researchers linked malaria and bone abnormalities to King Tut's death through DNA analysis and genetic testing. The study also revealed a possible familial relationship between Tutankhamun and other royal mummies.
Researchers found that patients with a low ejection fraction in the right ventricle had a significantly increased risk of death. The study suggests that measuring RVEF can help identify high-risk patients and improve treatment outcomes.
Researchers found that softer surfaces lead to disorganized cytoskeletons, while stiffer surfaces promote larger traction forces and more developed cadherin adhesions. Inhibition of myosin II decreases traction forces and causes cadherin adhesions to disappear.
A Canadian study analyzed 1479 hospital admissions for H1N1, finding that delays in seeking care increased the risk of death. Patients with underlying medical conditions and those over 20 years old were most susceptible to severe outcomes.
Researchers at Max Planck Institute for the Science of Light have demonstrated that quantum particles can take both possible paths simultaneously in a random walk, leading to interference patterns and increased intensity at the edges. This breakthrough could provide new insights into statistical processes like photosynthesis.
An international team of researchers has decoded the genomic blueprint of Plasmodium falciparum, a strain of malaria most resistant to drugs. The discovery may lead to advanced pharmaceuticals and help prevent drug resistance among the 250 million people infected by malaria each year.
A large-scale study found that women with multiple sclerosis (MS) are 47% more likely to develop migraines than those without. The research suggests a link between the two conditions, but further investigation is needed to determine causality.
TGen Breast and Ovarian Cancer Research Unit making significant progress in three key areas of breast cancer research: genetic events, cellular mechanics, and genomic tests. The donations raised by Safeway will help find new treatments for breast cancer patients.
Researchers found that erlotinib is marginally cost-effective for treating patients with advanced non-small cell lung cancer, with an incremental cost-effectiveness ratio of $94,638 per life-year gained. The treatment's cost-effectiveness may be improved through targeted patient selection and biomarker-guided therapy.
Researchers created a novel diamond nanowire device that can generate single photons, controlled at the atomic scale. The device leverages imperfections in the diamond crystal to act as a source of individual photons, with applications in advanced imaging and quantum communications.
Researchers at Duke University Medical Center found that the brain evaluates faces in two distinct ways: for quality of experience and economic value. The study used fMRI to measure brain activation while participants viewed faces and money, predicting how much they would pay to see a more attractive face.
New images from NASA's Fermi Gamma-ray Space Telescope reveal the sources of cosmic rays, which consist mainly of protons moving at nearly the speed of light. The telescope mapped billion-electron-volt gamma-rays from middle-aged and young supernova remnants, providing insights into the origins of these energetic particles.
A team of scientists from Caltech has created a new type of flexible solar cell that enhances the absorption of sunlight and efficiently converts its photons into electrons. The solar cell uses only a fraction of the expensive semiconductor materials required by conventional solar cells, making it potentially cheaper to produce.
Certain patients with inflammatory bowel disease have an increased risk of developing colorectal cancer. The AGA recommends individualized surveillance plans based on each patient's unique situation, taking into account disease duration, primary sclerosing cholangitis, and family history.
Researchers at North Carolina State University developed a metal foam that mimics the elasticity of bone, reducing bone rejection and improving implant strength. The new composite foam has a modulus of elasticity consistent with bone, fostering bone growth and preventing 'stress shielding'.
A systematic review found that neonatal and infant circumcision by trained staff rarely results in problems, with relatively minor adverse events being low among infants under one year old. However, complications are more common when performed by inexperienced providers or with subpar equipment.