A new study suggests that influenza virus infection in young mice protected against the development of allergic asthma. The study also found that a compound isolated from Helicobacter pylori activated a subset of natural killer T cells, which may prevent asthma.
Children living in apartments are at higher risk of tobacco smoke exposure due to shared ventilation systems or wall contamination. The study found that over 84% of children in multi-unit housing had been exposed to tobacco smoke, compared to 70% in detached houses.
A team of scientists predicts continued death of forests in the southwestern US due to climate change, with more severe fire events, higher tree mortality rates, and insect infestation. The study finds that warmer temperatures are negatively impacting tree growth, particularly in the spring and summer months.
A new study found that imposing higher taxes on sodas and sweetened drinks would generate significant revenue but result in only minor weight loss for most households. The tax's impact varies by household income, with middle-income groups experiencing the largest reductions in calories and weight.
Researchers at TUM have developed a new mechanism for reversible proteasome inhibition, which could lead to improved treatments for cancer and immune reactions. By targeting the immuno-proteasome specifically, they aim to minimize damage caused by side effects.
Researchers discovered that Trypanosoma brucei parasites can sense their environment, exchange messages, and coordinate movements when seeded onto a surface. This social behavior opens up new avenues for understanding other supposedly solitary parasites like those responsible for malaria and epidemic diarrhea.
A study of 383 children found that those who dislike fruit and vegetables are 13 times more likely to develop functional constipation. The study also highlights the importance of adequate fluid intake and recommends changes to school policies and parent education.
A new study reveals that Mexican immigrants who are more integrated into US culture appear less healthy and more likely to require healthcare resources. Men tend to report better health than women, but their health declines faster as they adapt to the US.
A team of researchers, including Washington University professor William B. McKinnon and associate professor Andrew Dombard, propose that Iapetus had a sub-satellite created by a giant impact, which eventually broke apart and formed the ridge. The study suggests that tidal forces played a crucial role in shaping the moon's unique feature.
A recent study from the University of Maryland School of Medicine found that African American patients and those with lower socioeconomic status have more advanced Parkinson's disease and greater disability when seeking treatment from specialists. This disparity is associated with earlier loss of independence and greater disease severity.
A study found that African American patients with Parkinson's disease have more severe parkinsonism and greater disability compared to white patients. Lower socioeconomic status is also associated with increased disease severity and reduced access to effective treatments, such as newer dopaminergic medications.
Researchers found that both the Southwest and Southeast have insufficient water resources to support human needs, leading to a reliance on imported virtual water. The study highlights the need for new strategies in water storage and conservation across the US, particularly in regions with inland metropolitan areas.
A one-year study on seniors' strength training reveals sustained cognitive benefits and cost savings. The once-weekly strength training group showed better maintenance of physical activity and fewer falls than the twice-weekly balance and tone group.
Researchers at UT Health Science Center San Antonio have found that increasing a protein called CBP can restore learning and memory in an Alzheimer's disease mouse model. This breakthrough provides a novel therapeutic target for the development of Alzheimer's medications.
A new study by researchers at Duke University reveals that Mexican American men and women have different experiences with the US healthcare system, with men facing greater challenges as they age. Women, particularly those more recently arrived in the US, report poorer health due to their increased interactions with healthcare providers.
Researchers discovered the FMD virus selectively infects epithelial cells in the nasopharynx after just six hours of exposure. This breakthrough could lead to the development of more effective vaccines and potentially eradicate the disease, which causes significant economic losses globally.
A study published in Neurology found that nearly 40% of brain tumor patients use alternative therapies, including homeopathic remedies and vitamin supplements. Younger people, women, and those with more education were more likely to use these treatments, which they often sought to add benefits to conventional care.
Researchers synthesize traffic matrices based on real network patterns, enabling network researchers to test communication network designs. This will help network providers make efficient and reliable networks.
Michele Pelter, a University of Nevada, Reno Orvis School of Nursing researcher, has been awarded $377,000 from the National Institutes of Health to study the detection of ischemia. Ischemia occurs when a plaque rupture causes blockage in the coronary artery, leading to heart attacks if not treated promptly.
A recent study by Carnegie Mellon's Christopher Weber found that carbon footprint calculations are often inaccurate due to variables from production and shipping. The use phase of an IBM computer server accounted for 94% of total greenhouse gas emissions, emphasizing the importance of energy efficiency in data centers.
The International Osteoporosis Foundation has presented its Young Investigators Awards to researchers from China, India, Japan, Sri Lanka, and Taiwan, highlighting the need for osteoporosis awareness in the region. The awards recognize outstanding research on hip fractures, falls, and vitamin D deficiency, promoting education, innovati...
The Capasso lab has successfully demonstrated highly collimated unidirectional microlasers, enabled by whispering gallery modes in an elliptical cavity. This breakthrough has significant applications in photonics, including sensing and communications.
EMBL scientists first to visualize the structure of a ribosome-protein complex involved in carrying nascent proteins out of the cell. The discovery could increase understanding of illnesses such as cystic fibrosis and Parkinson's disease, where improper protein targeting leads to harmful accumulation inside cells.
Mutations in RYR1 lead to calcium release channel dysfunction, causing dominant-negative effect that reduces muscle force generation. The study provides a comprehensive analysis of the consequences of this mutation in muscle fibers.
Targeted messages and mailings have shown promise in increasing colorectal cancer screening rates, especially among those overdue for screenings. However, the long-term effect remains unclear due to other promotional activities and varying patient resistance.
A new study from Purdue University found that in-person discussions about organ donation increased registration rates by 13.6%, while a low-intensity approach led to only a 3% increase.
Researchers created a 3D model of a European beech tree to study the changes in the trunk's structure when water moves through it. The study reveals that the sap is in a pressurized situation, expanding in radial direction during positive pressure and contracting during negative pressure.
Scientists have developed a new method to monitor groundwater aquifers using satellite data, allowing for more accurate and cost-effective management of these vital resources. By analyzing satellite measurements over time, researchers can infer the amount of water in an aquifer, providing valuable insights for hydrologists and regulato...
A University of Washington scientist found that summertime coastal fog has declined and coastal temperatures have increased slightly since 1950. Climate models predict an increase in fog, but regional patterns may be overriding this effect.
Researchers found that p53 mutations can allow cancer cells to acquire stem cell-like characteristics, leading to increased tumor heterogeneity and aggressiveness. The study suggests that p53 plays a critical role in preventing the emergence of more aggressive cancer cells.
Researchers confirm that US western states' unsustainable water practices are causing long-term environmental costs, with salt usage linked to $2.5 billion in crop revenue losses and high-quality produce prices rising.
A new study confirms a rapid rise in hip fractures in Beijing, with significant increases in rates for older adults. The research reveals that the growing elderly population and increasing sedentary lifestyles are major contributors to this trend, posing a serious socio-economic challenge for healthcare systems.
Researchers identified a large colony of Siboglinidae tubeworms on the side of an underwater mountain in the Eastern Mediterranean. The discovery was made possible by a team of scientists ashore and the public watching live via internet, using high-definition video cameras and satellite telecommunications.
A joint US-Swedish expedition will study the Amundsen Sea, one of Antarctica's least-explored bodies, to gauge climate change effects. The research aims to determine nutrient availability, phytoplankton blooms, and sea-ice coverage.
A new UC Davis study concludes that sea lice from salmon farms have no significant impact on the productivity of wild pink salmon populations. The research analyzed 10 years of farm fish counts and 60 years of wild fish counts, contradicting earlier reports linking farm salmon to the 2002 population crash in western Canada.
Researchers used a novel technique to count disease-spreading events in a high school population of 788 volunteers. They found that most people had a fairly high number of person-to-person interactions, but there were no super-spreaders who stood out from the rest.
Researchers at Brookhaven National Laboratory have unraveled the mystery of how lignin precursors are transported across cellular membranes, a crucial step in breaking down plant barriers for efficient biofuel production. The discovery reveals that ABC-like transporters play a key role in sequestering and transporting these precursors.
A New Delhi study found that 76.7% of hip fracture patients were vitamin D deficient, with elevated PTH levels also common. The research suggests vitamin D levels may be a useful index for assessing hip fracture risk in elderly people.
A retrospective study found that 31% of adult acute care visits in Massachusetts involved patients visiting two or more hospitals, resulting in higher costs and increased hospitalizations. The study highlights the need for health information technology to address fragmentation and improve patient safety.
Stem cells can sense their environment through touch, with deeper penetration into compliant matrices. The study found that softer surfaces allow cells to feel further, while stiffer surfaces limit their reach.
Researchers found fossils dating back 446-444 million years, helping reconstruct the Cordillera Bética's palaeogeography. The discovery also sheds light on the tectonic history and geological history of the region.
Researchers at Duke University Medical Center found evidence of epigenetics in ovarian cancer, specifically DNA methylation affecting the TGF-beta signaling pathway. This deregulation contributes to tumor growth and metastasis, highlighting a potential target for epigenetic therapies.
Researchers have identified a mechanism that could explain why flu infections may help prevent asthma in children. Infection with influenza A virus protects mice from asthma by expanding NKT cells, which are immune cells that play a key role in the body's response to infection.
Researchers found less than 1% of Canadians had folate deficiencies, while 22% of women of childbearing age were below safe levels for preventing neural tube defects. The study suggests that high folic acid consumption may not be as effective in reducing birth defects as previously thought.
Researchers at the University of Washington used numerical models to study how tidal turbine blades affect sediment accumulation and fish health. The study found that rapid pressure changes could disorient fish, increasing the risk of injury or death.
A new study finds that even small changes in troponin levels can forecast worsening outcomes in heart failure patients, with accuracy comparable to traditional risk-factor prediction models. The introduction of highly sensitive troponin assays has improved detection and allowed for the identification of high-risk subgroups.
Research from Carnegie Institution for Science reveals that a protein called GATA2 acts as a key link between brassinosteroid and light signaling pathways, controlling plant growth and development. The study found that brassinosteroids dictate the light-sensitivity of plants by regulating the production of a key light-responsive protein.
Researchers found that influenza A virus infection in mice expanded a subset of immune cells called NKT cells, which protected against airway hyperreactivity. The study suggests treating children with therapeutics that activate NKT cells might prevent asthma development.
The Penn State researchers will implement HealthWise, a curriculum that teaches youth how to utilize their free time, and provides information on safe sexual practices. The program aims to reduce substance use, risky sexual behavior, and violence among South African youth.
Scientists have found a difference in visual perception between male and female cichlid fishes, which likely aids in mate selection. The research discovered that males and females detect light differently, with five photoreceptor cones in their eyes, enabling color discrimination.
A study found that acupuncture improved visual acuity in older children with lazy eye, comparable to patching therapy. Acupuncture was well-tolerated and showed promising results in treating anisometropic amblyopia.
A rapidly ageing population in the UK is leading to a surge in degenerative valvular heart disease cases, with over 13% of those aged 75 and above affected. Specialist VHD centres are needed to address the issue, with current treatment provision showing wide variation and inadequate follow-up care.
A new study analyzes student narratives to understand how future physicians acquire knowledge of respectful professional behavior. The results show that disrespect can lead to loss of trust and negative emotions, while respect is associated with satisfaction and positive emotion.
Research at the University of Texas at Austin shows that sleep-deprived honey bees experience communication problems, advertising food sites less precisely to their fellow bees. This impairment in precision could lead to a less competitive colony and reduced efficiency in locating food.
Research reveals that early settlers rapidly cleared New Zealand forests with fires within 200 years of initial colonization, replacing native forests with grasslands and shrublands. The findings support the idea that human activity was the main cause of these fires, which were not related to unusual climate conditions.
A study by the US Forest Service and University of California, Santa Barbara found that warmer temperatures and reduced precipitation lead to lower tree fitness in southwestern US forests. This weakening of forest health has resulted in higher mortality rates from wildfires and bark beetle attacks.
Researchers have identified an existing medication, lenalidomide, that can restore key elements of the immune system decreasing production during aging and rebalance cytokine levels. This discovery could lead to a daily pill boosting immunity in the elderly.
Researchers at The Wistar Institute found that tumor cells can adapt to BRAF inhibitors by re-routing signals through alternate pathways. To overcome resistance, targeting multiple signaling pathways simultaneously is key, with compounds in clinical development showing promise.
Deep sediment cores from the Bering Sea floor reveal an ice-free region with high biological productivity during the Pliocene Warm Period. The findings suggest that global temperatures were a few degrees higher than today and carbon dioxide levels comparable to current levels.
Incorporating ovarian cancer subtypes into screening models reduces predicted mortality rates. However, catching slower-growing cancers won't significantly impact deaths compared to more lethal tumors.
A new study reveals that aggressive tumor cells lack the strong molecular 'glue' responsible for binding normal cells together. This allows tumor cells to break away, detach from their neighbors, and spread to other regions of the body.
Researchers found that human CML stem cells do not rely on BCR-ABL activity for survival, rendering traditional treatments ineffective. This breakthrough highlights the need for new therapeutic strategies to target these resilient cancer cells.
A US-European team has found that magnetism drives unconventional superconductivity in heavy-fermion materials, with magnetic energy saved by over 10 times when the system enters a superconducting state. The study provides evidence for collective fluctuations of electrons at the border of magnetism as capable of driving superconductivity.
Research published in Annals of the Rheumatic Diseases found that smoking is a major preventable risk factor for rheumatoid arthritis, accounting for over 35% of ACPA positive cases and one in five cases overall. Heavy smokers are more than 2.5 times as likely to test positive for ACPA.
The report features nearly 500 women from HIV-affected communities who shared their thoughts on medical male circumcision for HIV prevention. Women expressed excitement but also concerns about its benefits and risks, highlighting the need for education campaigns tailored to women's experiences.
Scientists at King's College London have made a critical discovery about the role of beta-catenin in leukemia stem cells. By suppressing this protein, they were able to reverse leukaemic stem cells to a pre-leukaemic stage and 're-sensitize' resistant cells to treatment.
Researchers at U-M Medical School have found a potential therapeutic target for the adult form of Fragile X Tremor Ataxia Syndrome by modifying brain changes associated with FXTAS, which is caused by overproduction of toxic mRNA.
A new study suggests that a 60-year drought like the one in the 12th Century could occur in the Southwest, with devastating impacts on ecosystems and water systems. The team analyzed past temperatures and droughts to identify plausible worst-case scenarios, highlighting the need for improved water management planning.
A population-based survey of neonaticides found the true incidence to be 2.1 per 100,000 births, five times higher than official estimates. Low maternal self-esteem and emotional immaturity were identified as key drivers.
A cluster randomised trial found that a collaborative stepped-care intervention led by lay health counsellors significantly improved recovery rates from common mental disorders among patients attending public primary care facilities. The intervention showed a greater effect in public facilities compared to private ones.
Mr Davis McCarthy has won a $150,000 scholarship to undertake a PhD at UC Berkeley, focusing on developing statistical analysis techniques to help biologists understand the mechanisms of diseases such as cancer and diabetes. He aims to make significant scientific contributions internationally.
Researchers found that opioid users experienced higher rates of serious adverse events, such as fractures and cardiac risks, compared to those taking coxibs or non-steroidal anti-inflammatory drugs. The study suggests that opioids may be associated with greater cardiovascular risk than other analgesics.
A survey of UK medical schools found that most do not fully comply with the International Council of Ophthalmologists' recommended curriculum for ophthalmology. Only four schools taught all 13 formal teaching topics, and no school taught all 10 recommended clinical skills.
A single dose of the 2009 H1N1 influenza vaccine was found to be safe and induced a strong immune response in individuals with asthma. Participants over 60 with severe asthma required a higher dose for adequate protection.
Scientists have identified age-related gene-specific accumulation of DNA methylation that suppresses the critical TGF-beta pathway contributing to ovarian carcinogenesis. This finding provides crucial information for future translational research and may lead to targeted therapeutic interventions.
University of Washington researchers are monitoring environmental impacts of large-scale tidal turbines in Puget Sound. The study aims to inform future tidal energy projects and minimize harm to marine life.
Rice University researchers have developed a technique to measure the temperature of molecules using Raman spectroscopy and an optical antenna. They found that they could detect temperature fluctuations of up to 20 degrees in the molecules, which will be useful for the molecular electronics community.
Researchers at NASA's Goddard Space Flight Center analyzed 42 northeastern US cities, finding that densely-developed cities with compact cores produce strong urban heat islands. The study also showed that forested regions and dark city infrastructure contribute to the development of heat islands.
Researchers found that ovarian cancer screening can only slightly reduce mortality rates, highlighting the need for prevention and better treatments. For high-risk women, targeted screening may offer more hope in reducing deaths from ovarian cancer.
A study led by Ohio State University found that a drug currently approved for osteoporosis treatment can reduce bone loss and tumor size in mice with oral cancer. The drug, zoledronic acid, was associated with smaller tumors and an increase in new bone formation.
Research shows that deleting the ghrelin receptor but not the protein itself boosts the body's fat-burning thermostat in aging mice. This results in thinner mice with lower circulating lipids and increased heat production.
A Purdue University study reveals a link between diet and the onset of mental illness, with mice developing abnormal behaviors on a high-sugar diet. The research suggests that increasing serotonin activity in the brain may not be enough to cure or reduce hair-pulling disorders like trichotillomania.
Dr. Douglas Coulter, a neuroscientist at the Children's Hospital of Philadelphia, has received the American Epilepsy Society's 2010 Epilepsy Research Recognition Award for Basic Science. His pioneering contributions have focused on understanding altered brain cell and circuit function in epilepsy development.
A new study revisits the 'Easterlin Paradox', finding that long-term happiness does not increase with income growth, despite short-term correlations. The research, led by Richard Easterlin, examines 37 countries and concludes that economic growth is not a key driver of happiness.
Researchers at UCLA discovered that randomly dispersed microparticles can self-assemble into a highly organized structure as they flow through microscale channels. This phenomenon is driven by hydrodynamic interactions between particles, fluid, and the conduit they flow through.
Experts flag vitamin D deficiency as a major concern in the region, with severe deficiency across India and Pakistan. Interactive maps tracking vitamin D levels by region are being developed to identify problem areas and stimulate research studies.
A new study by Durham University found that early years' initiatives in England, such as Sure Start, are not delivering improvements in language and numeracy development. The researchers highlight the need for a review of these initiatives and targeting assistance more effectively to reach disadvantaged children.
A Stanford University geophysicist warns that injecting massive amounts of carbon dioxide underground could trigger small- to moderate-sized earthquakes, posing a threat to the reservoirs containing the gas. The issue is particularly concerning for saline aquifers with dense, well-cemented sedimentary rock.
A study of 41 randomized controlled trials found disease-management programs reduce glycated hemoglobin levels in diabetic patients. Frequent doctor visits are associated with greater effectiveness.
A study of 1,130 older adults found that high levels of 'good' cholesterol (HDL) were associated with a decreased risk of both probable and possible Alzheimer's disease. Higher plasma HDL cholesterol was also linked to lower risks despite other factors.
Research reveals distinct exocytosis regulation mechanisms between living organisms and laboratory tissue cultures. The study used intravital microscopy to examine exocytosis in live mice, finding that secretory vesicles fuse with the plasma membrane one by one under beta-adrenergic receptor stimulation.
Researchers are using an array of seismic sensors to study unfelt seismic tremor events, revealing a more complex relationship with potentially devastating earthquakes. By analyzing the movement of these tremors, scientists are gaining insights into the Cascadia subduction zone and its potential for massive quakes.
A 50-year study confirms an increase in jellyfish <i>Pelagia noctiluca</i> size and intensity due to warming winters and over-fishing. This proliferation affects fisheries, fish farming, and tourism with toxic effects from their tentacles.