Researchers found a specific neural structure processes pheromonal signals, governing mating and social behaviors. The 'pheromonal image' is akin to the visual 'face neurons' that recognize facial features.
Scientists at Imperial College London have discovered a unique method of viral transmission by the HTLV-1 leukaemia virus. The virus infects cells and transfers itself to other cells without releasing particles, evading the immune system and paving the way for potential new treatments.
Researchers found a connection between HIV antiretroviral therapy and impaired triglyceride metabolism, increasing risk of atherosclerosis. Elevated ApoC-III levels were associated with higher triglycerides in both treatment groups.
Researcher Tammy Chung highlights findings from four studies tracking adolescents with alcohol problems after treatment. These studies found that at least half of treated teens showed reductions in alcohol use and problems, while some continued to experience issues through young adulthood.
A new study found that teenage girls with polycystic ovary syndrome (PCOS) are significantly more worried about their future fertility compared to healthy age-mates. The study also revealed that PCOS patients have lower scores in quality of life questionnaire categories, particularly self-esteem and mental health.
Key findings from brain bank research highlight the importance of standardized protocols and consideration of quality-related factors. The use of brain banks has led to a better understanding of alcohol-induced brain shrinkage, with potential implications for prevention and reversal of this condition.
The American health system faces multiple crises, including soaring premiums and personnel shortages. Bloom suggests using socially focused research, such as the Whitehall Study, to address these issues and promote better health outcomes.
The European Commission will present its research policy and funding activities at the AAAS meeting, aiming to create a European Research Area (ERA) with better coordination and cooperation. The EU's goal is to boost competitiveness and improve citizens' quality of life through significant resources mobilized via the Framework program.
The study shows that pheromones trigger unique neural excitation patterns in the brain, providing vital information about sex discrimination and social behavior. Individual neurons respond to specific animals based on their genetic identity, suggesting a complex pheromonal system.
Scientists at the University of Iowa have gained insight into how naphthalene dioxygenase, a bacterial enzyme, utilizes oxygen to catalyze reactions. This breakthrough has implications for developing microorganisms that can clean up toxic waste and creating novel drugs.
A large-scale study confirms KEPPRA's efficacy in reducing seizure frequency and achieving seizure freedom in patients with refractory epilepsy. The study analyzed data from 1,422 patients over a 54-month period, showing sustained antiepileptic benefits without tolerance developing.
Researchers describe groundbreaking cognitive therapy approach that helps people with schizophrenia identify and challenge negative thoughts, leading to significant symptom reductions. The therapy, combined with medication, offers hope for those who have not responded to traditional treatments.
Researchers analyzed VA records of 4,340 patients who received heart attack care between 1994-1995. Patients with mental illness had a slightly lower rate of diagnostic angiography, but no significant difference in survival rates for 90 days after the heart attack.
The US has pledged $1 billion to combat HIV/AIDS in 14 high-prevalence countries. The programme aims to prevent 7 million new infections, treat 2 million people, and support 10 million infected individuals.
A recent study found that gradual temperature increases cause significant decreases in crop productivity for corn and soybeans. Climate is identified as a crucial factor in crop yield trends, contradicting previous assumptions. The study's unique approach separates the effects of climate and technology on yield trends.
A team of researchers at Texas A&M University has developed a vacuum system that can detect anthrax and other biological agents in mail sorting machines. The device, which is being developed by the McDivitt laboratory, uses a detector to identify and quantify both biological and chemical agents.
A low-intensity behavioral and social skill program showed promise in reducing ADHD symptoms in children and improving parent-child relationships. The study found that parents who participated in the class reported fewer ADHD symptoms in their children and more consistent discipline practices, while teachers saw no significant difference.
Researchers found that North American red squirrels are adapting to warmer temperatures by advancing their breeding cycle by 18 days over 10 years. The team used quantitative genetics to separate individual plasticity from genetic adaptation, revealing a long-term trend of phenotypic plasticity.
The UK has launched a new 'global partnerships' program aimed at fostering science and technology partnerships with the US. The program, which combines expertise from three British Government divisions, has already yielded over 20 partnership projects in its US pilot program.
A Michigan researcher has developed practical suggestions to balance tourism with bird conservation in the Pantanal. Stakeholders' perceptions of a wading bird colony as a community resource have been studied, leading to implemented measures such as staffed observation posts and guided tours.
A recent NHLBI study found a link between low levels of endothelial progenitor cells and increased cardiovascular disease risk. The study suggests that these cells play a crucial role in repairing damaged blood vessels, and their depletion may contribute to the progression of heart disease.
A study found that stress can alter fetal heart rates in response to a woman's emotional state, potentially impacting long-term health and development. The research suggests that high anxiety levels may shape fetal heart rate patterns even before birth.
Researchers found a significant inverse correlation between circulating endothelial progenitor cells and cardiovascular risk factors. They also discovered that individuals with higher cardiovascular risk factors experience premature aging of these cells.
A study by Cornell University found that work stress significantly impacts the food choices of low- and middle-income adults, particularly women with children. The research highlights the need for workplace solutions, such as healthy food options and self-care strategies, to address this issue.
A survey of Duke University students reveals nearly one in 10 experienced a blackout while drinking, with risks linked to lower GPAs and problem drinking. The study highlights the need for early alcohol-awareness training to prevent hazardous choices during blackouts.
At 2-6 months old, infants learn to connect visible bits and pieces of the world to form mental representations. By 4 months, they can accurately perceive occlusions in object trajectories, laying the foundation for lifelong visual perception.
A new screening method uses glowing worms to test neuroprotective compounds, which may lead to new Parkinson's disease treatments. Researchers can selectively kill dopamine neurons in living worms using neurotoxins, and the green glow dims when they die.
A study led by Dr Andrea Litva found that both health professionals and lay people do not currently support direct public involvement in clinical governance. The research suggests that creating a culture shift among lay people will require time and support from primary care trusts to involve the public effectively.
Researchers found that healthy individuals vary in gene expression levels in circulating blood cells, with some genes used at varying levels depending on time of day and age. Despite these differences, the study revealed remarkable similarity in the genes used among the subjects.
A new study confirms that Braille is crucial for visual cortex development in blind individuals, regardless of age of blindness. The research used fMRI to compare early and late blind subjects, finding similar activation patterns in the visual cortex.
Researchers have developed microscale channels to guide neuron growth in damaged nerves, a breakthrough that shows promise for treating nerve injuries. The technique uses biodegradable polymer films with microscopic patterns to direct nerve cell growth, with initial results showing rats regaining use of their legs after injury.
A new study published in Nature reveals that all of Madagascar's living Carnivora descended from a single species that dispersed from Africa to the island. The findings refute two previously accepted models for mammal colonization and provide further evidence that lemurs also colonized the island in a single event.
Researchers at Johns Hopkins have determined the 3D structure of the HER2 breast cancer receptor, shedding light on its interactions with the Herceptin antibody. The findings could lead to the design of more effective drugs for treating breast cancer.
A recent study found that 78% of HIV-positive N.C. men and women prisoners had unprotected sex with their main partner in the year before imprisonment. Upon release, 26% admitted to having sex without condoms with that same person within a day or two.
Scientists discovered a freshening trend in the Labrador Sea and found that mixing of warm and cool waters may prevent El Nino. Additionally, researchers speculated about the cause of high Arctic ozone loss and suggested Martian methane could be an indicator of subsurface life.
A new study published in Personality and Social Psychology Bulletin finds that children who exhibit narcissistic tendencies are more aggressive after experiencing social rejection. The researchers suggest that reducing instances of social rejection and promoting positive self-images could help prevent violence in schools.
The University of Michigan College of Engineering will unveil the Fast Imaging Plasma Spectrometer (FIPS), a revolutionary instrument for NASA's MESSENGER Mission to Mercury. The FIPS project demonstrates how high-performance, low-weight instruments can be used to explore the solar system without risk to human life.
Researchers have detected layers of high-level moisture and cirrus clouds using NCAR's instrument package, indicating a significant impact on long-term climate. These clouds, often missed by standard weather balloons and sensors, can warm the planet and trap radiation.
A meta-analysis of randomized clinical trials found that pacemaker therapy reduced death from progressive heart failure by 51% and hospitalizations by 29%. The device range in cost $20,000 to $50,000 and improves quality of life for heart failure patients.
The study found that boosting GW433908 with ritonavir reduced the incidence of PI-resistance selected by either the study PI or NRTIs ABC and 3TC. In contrast, unboosted 908 had a higher rate of resistance to 3TC and some patients developed mutations associated with APV resistance.
Most prematurely born children show significant improvements in cognitive abilities, such as verbal comprehension and intelligence tests, between ages 3 and 8. Environmental factors like increasing age, maternal education, and absence of brain injury are linked to higher scores.
A long-term study of 54,412 women found that those who cared for loved ones for nine hours or more per week had a higher risk of coronary heart disease. The researchers suggest that mental distress, financial burdens, and limited social support may contribute to this increased risk.
Researchers have discovered a genetic signature, known as the IFN expression signature, associated with severe lupus symptoms. This signature is linked to interferon activity and has implications for developing new therapies to block IFN pathways in patients with severe lupus.
The Johns Hopkins Bloomberg School of Public Health has been awarded $30 million to develop and introduce a pneumococcal vaccine for children in the world's poorest countries. The Pneumococcal Accelerated Development and Introduction Plan (ADIP) team will work with international partners to address research, supply, and financing issue...
Study reveals floodplains have significantly higher diversity of native and exotic plants due to flooding, which washes away existing plants and transports seeds. This creates opportunities for invasive species to establish themselves, posing a threat to native plant populations.
A recent study by Vanderbilt researchers found that high levels of estrogen can alter the expression of genes related to implantation in mice, leading to a reduced window of receptivity for embryo implantation. This could be contributing to high implantation failure rates in women undergoing IVF.
Dr. Salzman, a Columbia University professor, has been awarded the Charles E. Culpeper Scholarship in Medical Science from the Rockefeller Brothers Fund. The award will support his research on understanding emotion and developing new treatments for psychiatric illness.
The biogerontological community is at war with anti-aging medicine, threatening the status and funding of their own research. Binstock argues that this campaign may inadvertently undermine their own legitimacy and research support by blurring public understanding of the difference between their work and pseudoscientific products.
Researchers found that low-level lead exposure during development in mice injures and kills rod-shaped photoreceptor cells, a crucial component of human vision. The study suggests possible treatments using an anti-death protein called Bcl-xL to prevent cell death in eye disorders.
Scientists at Thomas Jefferson University found that a bacterial toxin opens a cellular door, allowing calcium to flow into tumor cells, which slows cell division and may lead to new methods of treating colorectal cancer. The discovery could also enable the use of the toxin as an intravenous infusion to treat metastatic tumors.
The main cause of tooth discoloration lies at the surface of enamel, where red wine, coffee and tea stain teeth. Hydrogen peroxide-based whitening agents target deeper discoloration by forming radical intermediates that break down into water and oxygen.
A study by Ohio State University found that minorities are more likely to question police during traffic stops, with black men reporting a 35% higher rate of stops than white men. The study also found significant differences in how black and white drivers perceive their treatment by police.
The study found a 92% decline in risk of future Exxon Valdez-like spills after implementing risk management measures. The Prince William Sound team estimated the probability of accidents involving oil tankers and identified key risks, such as tanker collisions with fishing vessels.
Researchers discovered that many nonagenarians (people 90-99 years old) are free of Alzheimer's disease or dementia, with some performing in the superior range on cognitive tests. Mild cognitive impairment (MCI) also exists in this age group, but features similar characteristics to those seen in younger individuals.
The Falk Center will utilize state-of-the-art gene chip technology to identify genes responsible for neurological disorders. Two therapeutic developments are approaching the product stage, including a gene-based therapy for malignant brain tumors and a treatment for attention deficit hyperactivity disorder.
Researchers found that more than 1.5 million Americans suffer from celiac disease, which is triggered by the protein gluten and can cause various gastrointestinal symptoms. The study, published in Archives of Internal Medicine, used a multi-center approach to screen over 13,000 people across 32 states.
The new guidelines provide recommendations for evaluating children with global developmental delay, including the use of cytogenetic studies and molecular testing. Early diagnosis can help determine the cause of the disorder and assist in developing a treatment plan.
Researchers found that people with a family history of colon cancer were more likely to have high-risk diets, including cooked red meat and low folate levels. Modification of these factors could provide broad benefits for individuals with a family history, regardless of their genes.
Researchers found that intermittent fasting reduced degeneration of nerve cells and improved glucose regulation in mice with mutant huntingtin. This suggests that fasting may forestall the development of Huntington's disease in humans.
A University of California, Irvine study found that sea-salt chlorine reactions can raise ozone levels by up to 10% in Southern California smog. This could lead to increased pollution in coastal regions, with predicted ozone levels exceeding national standards on certain days.