A long-term study of over 1,000 children found that those who watched less TV in childhood and adolescence were more likely to achieve a university degree. Excessive TV time was associated with lower levels of educational attainment, even after controlling for other factors.
A new study in PLoS Biology confirms the genetic link between Polynesians and indigenous Taiwanese populations, revealing three unique mitochondrial DNA mutations. The findings suggest that Taiwanese aboriginal populations have been genetically isolated from mainland Chinese for 10,000 to 20,000 years.
North and South American researchers have identified unusual structural features in the ribosome of Trypanosoma cruzi, a parasite responsible for Chagas disease. The discovery may lead to the development of targeted therapies without harming infected organisms.
A study at McGill University investigates the links between brain behavior, neurochemistry, and molecular biology in relation to mental disorders. The researchers aim to develop diagnostic tools, treatment, and prevention strategies for conditions like schizophrenia.
Antibiotic-resistant bacteria can be transmitted from animals to humans through contaminated food and handling practices. The European Union ban on agricultural antibiotics has led to a decline in resistant bacteria, suggesting that transmission from agriculture can have a greater impact on human populations than hospital transmission.
A new study confirms the filter's effectiveness in reducing prions by up to 99.9%, providing a critical safety measure against vCJD transmission through blood transfusion. The technology has the potential to safeguard the global blood supply and prevent future outbreaks.
A study of 1,797 children found a consistent pattern of negative associations between early TV viewing and adverse cognitive outcomes at ages six and seven. In contrast, TV viewing during preschool years had a more beneficial effect on reading recognition and short-term memory.
A study found that third-grade students with TVs in their bedrooms scored lower on math and language arts tests compared to those without. However, children with access to home computers showed improved test scores, suggesting a potential solution for parents seeking to boost their child's academic achievement.
A study by Yale University researchers found that sensor-based detectors for suicide bombers are ineffective and would only save a few lives. The team suggests investing in intelligence gathering to intercept attackers before they attack.
Researchers identified a striking similarity in personality traits between problem gamblers and individuals with alcohol, cannabis, and nicotine dependence. Young adults with problem gambling diagnoses tended to exhibit negative emotions, impulsive behavior, and risk-taking tendencies, suggesting a common underlying profile.
Research reveals continued union decline and increasing availability of flexible working arrangements in Britain. Despite this, employees' perceptions of work-life balance have improved, with managers showing a greater understanding of employees' responsibilities outside work.
A new 12-week study of 302 adults with high-normal or mildly elevated blood pressure found that eating special cookies containing 40 grams of soybean protein resulted in significantly larger decreases in pressure levels compared to those who ate similar cookies made of complex wheat carbohydrate. The soybean group had a net reduction o...
The five-year project aims to develop innovative tools for measuring population health, particularly in resource-poor settings. It will provide governments and communities with practical strategies to understand their health state and prioritize spending, ultimately improving global health outcomes.
Researchers at U of MN identified 14 genes that regulate blood stem cell development, which could lead to new treatments for blood disorders and cancers. The discovery provides insight into understanding how to stimulate blood stem cells to multiply in the laboratory.
NASA's Hubble Space Telescope captured dramatic images of comet 9P/Tempel 1 before and after a 820-pound projectile impact by the Deep Impact spacecraft. The collision caused a brilliant flash and increased the size of the inner cloud of dust and gas, which expanded outward in a fan shape at speeds of up to 1,200 miles per hour.
Researchers found that cells with damaged DNA trigger a mechanism to signal natural killer cells, which attack and destroy cancerous cells. The immune system's ability to identify cancer cells is crucial in preventing tumor growth.
Researchers have discovered that an experimental drug can reverse the loss of nerve fibres in Parkinson's Disease. The study found that dopamine-containing nerve fibres had sprouted back in the brain, leading to improved motor function and sustained benefits even after treatment cessation.
The study reveals key connections between metabolic disease pathways and aging, identifying genes and mechanisms that can be targeted for drug discovery. Targeting these pathways may uncover novel therapeutic targets and drugs to treat metabolic diseases and potentially impact the progression of aging.
Researchers tested Seroquel on 542 patients with bipolar depression, finding that 50% responded quickly to treatment and experienced reduced suicidal thoughts. The study's findings suggest a potential new standard of care for bipolar disorder.
A study of minor league baseball players found early damage to the hands of healthy players due to catcher's mitt design. The research revealed significant blood vessel damage and hand weakness among catchers despite using protective padding.
Animal research suggests a potential new treatment target for epilepsy by blocking a specific brain pathway involved in seizure spread. The treatment could be more effective and have fewer side effects than current therapies.
Research estimates a lifetime cancer risk of 0.14% and 0.022% from virtual colonoscopy, with the colon, stomach, and bladder being at greatest risk. While low radiation risks are promising, practical issues such as bowel preparation and patient compliance remain to be addressed.
Scientists at The Wistar Institute discovered that poor T cell responsiveness limits current approaches to therapeutic vaccines. They found that the immune system's ongoing stimulus during chronic infection prevents optimal response to vaccines, which may be improved by lowering viral load or enhancing T cell function.
A new study found that higher adolescent IQ and greater activity levels are associated with a lower risk of dementia and mild cognitive impairments. The research used historical data from high school records and interviews with graduates to explore the relationship between early-life factors and late-life cognitive status.
A new Penn State study found that a balanced diet with both polyunsaturated fatty acids (PUFAs) and monounsaturated fatty acids (MUFAs) is essential for lowering cholesterol levels. The study compared two heart-healthy oils, sunflower oil and olive oil, in a diet designed to reduce blood cholesterol.
Researchers at KEK Laboratory in Japan have observed a new type of interaction among quarks, producing evidence of a beauty quark converting to the lightest down quark. This observation allows for study of fundamental laws of the universe and potential validation or discovery of new physics models.
Researchers at USC discovered that anti-angiogenesis drugs increase glucose regulated protein 78 levels, blocking cell death and leading to drug resistance. Suppressing GRP78 gene expression can overcome resistance to chemotherapy drug etoposide.
Researchers show that HIF-1 alpha regulates bactericidal agents and enhances expression of bacteria-killing cells. Increasing HIF-1 activity increases the killing capacity of phagocytes, providing a novel approach to treating bacterial infections.
Research found no reduction in long-chain polyunsaturated fatty acids in breast milk of women who exercised moderately. Elderly people using herbal supplements are less satisfied with conventional medical care and often hide supplement use from doctors.
The new center will explore basic biological mechanisms and translational research on muscular dystrophies, while providing advanced diagnostic services to patients. Researchers will investigate new treatments for Duchenne muscular dystrophy and develop mouse models to test potential therapies.
The Protein Structure Initiative (PSI) has reached its rapid production phase, aiming to determine thousands of protein structures using innovative approaches and tools. The new centers will use methods developed during the pilot period to rapidly generate protein structures found in organisms ranging from bacteria to humans.
Researchers discovered that induction of the HIF-1 pathway can act as a 'super-antibiotic', increasing bacterial killing in low-oxygen environments. Additionally, studies on skeletal muscle and kidney regeneration found that these organs' natural repair mechanisms play a crucial role in maintaining function and tissue health.
Researchers have found that women carrying a certain immune system gene and not having HPV16 are three times less likely to resolve their precancerous lesions. This discovery could provide better targets for cervical cancer vaccine development and potentially allow women to avoid surgery, according to Johns Hopkins scientists.
Researchers used high-resolution DNA scanning to identify regions of chromosomes with genetic errors in lung cancer cells. The study found five new areas with copy-number changes, including deleted and over-copied genes, which could lead to targeted therapies.
Researchers found that over half of the 46 known microRNAs are essential for development, affecting it in specific ways. MicroRNAs regulate fundamental processes such as body patterning, morphogenesis, and nervous system development.
Argonne National Laboratory has received a $50 million NIH grant to expand the information available to researchers on biomedically important proteins. The grant will refine existing methods for structure determination, making it possible to produce over 250 protein structures per year.
A multi-site study found Risperidone effective in decreasing aggression, repetitive behaviors, and increasing social interaction in children with autism. The medication showed limited side effects, supporting its use as an intermediate-term treatment option.
The Joint Center for Structural Genomics will determine a large number of high-resolution structures of biological molecules using new methods and technologies. The researchers aim to tackle challenging structures such as large protein assemblies and proteins essential for all organisms.
Research found that children born full term but weighing less than 5.5 lbs had a 50% increased risk of psychological distress in later life, regardless of childhood factors. The study suggests that early factors before birth may be important in increasing vulnerability to depression in adult life.
Scientists at UCSD found that white blood cells increase production of protein HIF-1 in response to bacteria, stimulating antimicrobial compounds to kill invading organisms. Treating white blood cells with chemicals can enhance their bacterial killing ability.
A study of 2,819 respondents in western Norway found that exposure to pre- and post-natal tobacco smoke increases the risk of adult asthma. The researchers estimated that almost a quarter of cases of adult asthma could be prevented if children were not exposed to environmental tobacco smoke.
A new study of 229 children found that regular snoring in childhood is linked to an increased risk of developing hyperactive behavior. The study also found that other symptoms of obstructive sleep apnea, such as daytime sleepiness, can predict future behavior problems.
The July 2005 issue of Ophthalmology features groundbreaking research on glaucoma treatment and intraocular pressure management. Studies also explore the correlation between macular detachment height and visual outcome, as well as the efficacy of pars plana vitrectomy for managing inferior breaks in pseudophakic retinal detachment.
A recent study using 'ecological footprint' accounting found that the US benefits from using fuel ethanol do not outweigh its significant environmental impacts. The research suggests that relying on ethanol to fuel the automobile fleet would require enormous areas of corn agriculture, outweighing any potential energy gains.
A new map of microbial evolution reveals that more than 600,000 genes have been transferred horizontally among species over billions of years. This finding challenges the traditional tree-like representation of evolutionary relationships and highlights the importance of horizontal gene transfer in shaping microbial communities.
A US delegation of 22 researchers led by Dr. Wright participated in a workshop with Japanese researchers, exploring topics like network forensics and biometric key encapsulation. The event aimed to promote bilateral cooperation in protecting critical information infrastructure.
Researchers have identified techniques to detect soils that inhibit soybean cyst nematode populations, a major cause of yield losses in the US. These methods can be used to promote soil health and reduce environmental impact by using nematode-suppressive soils.
Researchers used ocean sound waves to track the Indian Ocean tsunami quake's movement, revealing a slower speed than expected. A new model for raindrop formation may improve understanding of Earth's climate and cloud formation.
Researchers have discovered a highly specific pathway that causes inflammation in lung tissue, which may contribute to lung damage in adult patients with cystic fibrosis. The study identifies interleukin-23 and interleukin-17 as promising targets for neutralization.
A new study published in the New England Journal of Medicine found that daclizumab can reduce organ rejection in heart transplant patients by 25%. The treatment also showed a lower rate of bacterial infections compared to placebo. Researchers believe this incremental step will help improve outcomes for heart transplant patients.
Dirk Inzé's pioneering work on plant cell division has revealed similarities to human cell regulation, shedding light on the mechanisms driving cancer and informing potential treatments. His research also explores the potential of plants to produce sustainable energy through photosynthesis, offering a promising solution for the world's...
Researchers discovered a fruit fly gene, f, that codes for a fusion protein enabling insect viruses to infect cells. The study found that the gene was originally transferred from an insect to a virus through recombination, leading to significant changes in viral behavior and pathology.
Researchers at Vanderbilt University aim to develop powerful chemical repellents and attractants to interfere with malaria mosquitoes' ability to find human targets. The project uses genetic engineering, molecular biology, and field-based studies to establish an effective strategy for reducing malaria spread.
Researchers identify a new marker, CD150, that helps distinguish hematopoietic stem cells from progenitor cells. The discovery uses the SLAM family of genes to precisely identify stem cells in tissue sections.
Takeda has submitted a new drug application for its combination type 2 diabetes medication, ACTOS (pioglitazone HCl) and glimepiride. This treatment aims to help patients manage their blood glucose levels by targeting insulin resistance and increasing insulin production.
A Yale University research project aims to reduce malaria transmission by identifying effective odor cues that attract or repel mosquitoes. The team will test these odors in simulated natural situations and eventually distribute them to African villages for practical tests.
A study found that withdrawing full karyotyping from prenatal diagnosis for Down's syndrome could lead to undetected other chromosome abnormalities, resulting in preventable mental or physical handicaps. The researchers suggest using PCR plus karyotyping for more efficient detection of clinically significant chromosome abnormalities.
Majkrzak's work on neutron reflectometry has significantly improved the field's ability to analyze atomic and magnetic structures. His research findings have numerous applications in biology, particularly in the study of materials at the molecular level.
A new study by Stanford researchers found that gastric bypass surgery significantly improves cardiovascular risk factors, including triglycerides and C-reactive protein levels. The procedure lowers these risks by up to 50%, even beyond what would be expected from weight loss alone.
Researchers identified an enzyme called MAP kinase as a crucial player in the fungus' attack, triggering cellular communication necessary for fungal invasion. Understanding this process is essential to develop new fungicides or resistant rice plants.