A study of over 3,000 senior citizens found that some drinking among the elderly may fight age-related brain injuries like silent strokes and white matter disease, but any level of alcohol intake may shrink brain matter. Light drinkers had fewer white matter lesions than abstainers or heavy drinkers.
Researchers have found that combining amphetamines with speech therapy can significantly improve speech and language skills in patients with aphasia caused by stroke. The study suggests that the drug works by releasing noradrenaline, which may help brain cells wake up and become more responsive.
Researchers at Scripps Research Institute have solved the first high-resolution structure of a membrane transporter, which can help design new drugs against antibiotic-resistant bacteria and certain cancer cells. The breakthrough could lead to increased efficacy of chemotherapy agents.
Researchers have discovered how plants' self-incompatibility works on a molecular level, revealing highly specific lock-and-key interactions between pollen and stigma. This breakthrough could enable genetic engineers to short-circuit reproduction and increase genetic variability in crops like tomatoes and rice.
Researchers used low doses of dextroamphetamine in a four-year study of 21 stroke survivors with aphasia. The drug group made significant gains in communication abilities, surpassing 15-point clinically significant changes in 83% of participants.
Researchers identified a hybrid gene in the 1918 flu virus that was produced from parts of two other influenza viruses through a process called recombination. This discovery suggests that the outbreak was triggered by the recombination, which increased the virus's virulence.
A systematic review of randomised trials found that women treated with combined chemotherapy and radiotherapy had an increased survival rate of 12% and reduced local and distant disease recurrence by around 40%. However, toxic side-effects were more common.
A preliminary study suggests that levodopa combined with physiotherapy can improve motor recovery in stroke patients. After three weeks of treatment, the levodopa group showed a significant improvement in motor function compared to the placebo group, with an RMA score gain of 6.4 points versus 4.1 points.
A large-scale study found no association between folic acid supplement use and increased risk of miscarriage. The researchers assessed 23,806 women who had taken part in a folic-acid campaign before becoming pregnant for the first time.
Researchers found that antibodies can convert oxygen into hydrogen peroxide, a previously unknown mechanism that could enhance their killing power and contribute to autoimmune diseases like lupus. This discovery opens up exciting possibilities for new antibody-mediated therapies for bacterial, viral, and cancer treatments.
Researchers found that young stars in Orion exhibit high levels of X-ray flaring, sufficient to explain the production of unusual isotopes locked away in ancient meteorites. This discovery suggests that our Sun may have also formed these isotopes during its baby years.
Researchers at VBI are developing software to integrate metabolomics data with gene expression and proteomics, enabling scientists to pinpoint the exact function of genes and proteins. The collaboration with Phenomenome aims to create a global understanding of biological systems from a dynamic perspective.
NGC 3310 is forming clusters of new stars at a prodigious rate, with hundreds of individual young, luminous stars visible throughout the galaxy. The wide range of cluster ages suggests that the starbursting can continue for an extended interval, once triggered.
A new study on identical twins found that genetics plays a predominant role in differences in cholesterol levels, but diet also significantly contributes to variations in cholesterol levels. The researchers controlled for genetic factors and found an environmental association between diet and cholesterol levels.
Researchers at Massachusetts General Hospital have developed a new CT scan technique that allows for precise diagnosis and quick treatment of acute strokes. This technique involves perfusion-weighted CT scans that help physicians predict patient outcomes and administer the appropriate treatment, resulting in improved clinical recovery.
A clinical study found that children with severe hemophilia have a high risk of developing deep venous thrombosis linked to long-term catheter implants. Eight out of 15 boys in the study developed blood clots in the veins near their hearts.
Research found that nonsmoking spouses of smokers consumed unhealthy diets with high fat and cholesterol, but low fiber and essential nutrients. The study suggests that these dietary choices can exacerbate the risk of heart disease, lung cancer, and other chronic diseases in nonsmoking spouses.
The MGH research team has solved the structure of an integrin receptor, a key protein involved in diseases such as tumor angiogenesis, breast cancer metastasis, and osteoporosis. The finding may help develop strategies to target these diseases with novel anti-angiogenic, anti-inflammatory, anti-viral, and anti-osteoporosis drugs.
A small genetic change in the PB2 gene makes influenza viruses more potent, warns of potential dangers of new strains. Research helps develop strategies for detecting future outbreaks and prepares for pandemics.
Biologists at the University of Pennsylvania have discovered a biochemical pathway in animals responsible for detoxification of heavy metals. The discovery establishes a firm basis for determining its ubiquity in other animals and clarifies how animals eliminate, sequester and metabolize heavy metals.
The TRANSMAP system combines land and marine data to provide real-time information on road conditions and weather forecasts. It allows users to view current and historic data from multiple sensors, as well as overlay maps from the state's Geographic Information System.
E-BioSci aims to provide complete searchable combinations of information available to every scientist globally. The platform leverages partnerships among EMBO, CINES, CSIC, DIMDI, EDINA, EMBL-EBI, and ingenta plc to offer a vast research library.
New York University researchers found an antibody that destroys platelets, which are essential for the blood to clot. The discovery may lead to new treatments for thrombocytopenia, a condition associated with HIV infection and other vascular diseases.
A study published in The Lancet found that recovering hand control after nerve damage involves a learning process similar to acquiring a second language. Researchers identified an optimal age range below 5-10 years for sensory relearning, followed by rapid decline and leveling out after puberty.
Researchers found that new collateral blood flow pathways were created in the brain after a minor stroke. This suggests that the brain can recover some blood flow after a small stroke, potentially reducing damage and improving long-term recovery.
Researchers found that a minor change in the arrangement of molecules can turn a relatively benign flu virus into a deadly one. The study used mice to show that even a small amount of the virulent form of the virus was enough to cause fatal infections, highlighting the potential for animal-to-human transmission.
A recent study published in Psycho-Oncology suggests that children of mothers with breast cancer can handle the bad news better than previously thought. The study found that these children experienced fewer behavior problems and anxiety symptoms compared to their peers.
A new Mayo Clinic study has found that a widely accepted treatment for Graves' ophthalmopathy shows no benefits in improving symptoms. Researchers conducted a double-blind study and discovered no difference between treated and untreated eyes after three or six months, casting doubt on the effectiveness of this long-used treatment.
A team of scientists led by Leisa Townsley has found evidence of X-ray-emitting gas in the Rosette Nebula, a star-forming region. This gas is thought to be created by the collision of stellar winds from massive stars and may play a significant role in shaping the galaxy's interstellar medium.
Researchers at UCSD will team up with Celera Genomics to identify and genotypic genetic variations in patients with hypertension, aiming to develop individualized treatment plans based on genetic profiles. The goal is to predict therapeutic drug responses and minimize side effects.
A Phase Ib clinical trial led by Duke University Medical Center cardiologists has cleared its first hurdle for a potential new treatment that prevents the formation of blood clots earlier than other agents. The drug inhibits Factor Xa, a pivotal clotting factor involved in blood clot formation.
Researchers have developed a new experimental drug that significantly reduces arterial pulse pressure, improving the blood vessels' ability to stretch by about 14%. The study suggests that this medication may represent a novel therapeutic approach for patients with age-related vascular stiffening and systolic hypertension.
Despite physical and emotional struggles, many cancer patients report good quality of life -- often comparable to the general public or physicians. The study found that quality of life had improved or remained the same for most participants, with radiation therapy being associated with a negative effect.
Invasive round gobies are interfering with mottled sculpin spawning in the Great Lakes, potentially affecting yellow perch populations. The study suggests that removing larger rocks from prime spawning sites or creating artificial shelters for sculpins could minimize goby breeding and encourage sculpin reproduction.
A new study found that the secretory path's activity is closely tied to the nucleus' structure and functions, with disruptions impacting gene expression and cellular growth. This research may hold key to developing molecular therapies for these genetic diseases.
Scientists have long known that Earth's core is primarily composed of iron, but the cause of seismic waves traveling faster in certain directions was unclear. Recent studies using supercomputer simulations revealed a temperature-dependent alignment of crystal structures in the inner core, shedding new light on this phenomenon.
Researchers developed a gene therapy that increased D2 receptor levels in rats, leading to a significant drop in alcohol intake. The treatment showed promise in reducing drinking preference and behavior in both groups of rats.
Researchers found that babies exposed to signed language produce distinct hand movements with low-frequency rhythmic activity, indicating an innate sensitivity to linguistic patterns. This discovery suggests that parents' sing-song way of speaking and playful rhyming games can aid the language learning process.
The report recommends four main areas of focus for the Carbon Trust: RD&D programme, skills development, international cooperation, and social and economic research. It also identifies promising low-carbon technologies, including renewable energy, energy efficiency, and hydrogen production.
The study found that traditional medical school curricula have failed to promote humanism in physicians-in-training. In contrast, bedside interactions and hands-on experience are seen as key to fostering positive attitudes and skills.
A $26.5 million grant has funded a massive study comparing digital and film mammography to determine its effectiveness in breast cancer diagnosis. The Digital Mammographic Imaging Screening Trial will involve almost 50,000 women and provide valuable insights into the technology's ability to detect early breast cancers.
A study led by University of Wisconsin-Madison professor Vicki Bier found no evidence that deregulation causes widespread safety lapses in the US nuclear power industry. However, it warned that the speed of change after deregulation could create potential safety hazards, and highlighted concerns over organizational changes, rapid downs...
Georgetown University's five-year program aims to enhance understanding of CAM practices, increase self-awareness, and improve communication with patients. The initiative will incorporate CAM principles into basic science courses and require all first-year students to take a Mind-Body Medicine course by year five.
A study suggests that traumatic events can significantly impair individuals, leading to elevated suicidal thoughts, even in those with subthreshold PTSD. The presence of comorbid disorders plays a crucial role in understanding the impairment caused by partial PTSD.
A study of 4,832 medical residents found that one-tenth feel unprepared to handle tasks like HIV/AIDS treatment, substance abuse, and chronic pain management. Residents reported a positive view of their training for common clinical problems but expressed concern about inadequate preparation for non-traditional patient populations.
A double-blind, placebo-controlled study found that patients with diabetic neuropathy experienced significant pain reduction with Lamictal treatment. Almost half of the patients achieved a 50% reduction in pain, and most were able to reduce their need for additional pain medication.
The International Lipid Information Bureau (ILIB) emphasizes the importance of statins in lowering cholesterol and preventing coronary heart disease. Landmark clinical trials have shown that statins prevent CHD, heart attacks, revascularization, and strokes.
Sandia researchers successfully created the first controllable 2D nanopatterns, which can be used to fine-tune device characteristics of self-assembling nanostructures. The breakthrough provides insight into how nature creates ordered patterns and enables humans to replicate it for fabricating specialized materials.
Researchers are conducting a study called Prevention of Early Asthma in Kids (PEAK) to explore the potential of early treatment in preventing asthma. The study involves enrolling children aged 2-4 with wheezing episodes and one additional risk factor, taking fluticasone or a placebo twice daily for two years.
Researchers reveal that underground water played a crucial role in cooling the planet, with strontium levels 10 times higher than river waters. The study changes perception on ocean chemistry, highlighting the importance of groundwater in global climate models.
An international study found that unemployed individuals who received welfare-type benefits reported negative health effects, while those with unemployment insurance payments did not. This study suggests that need-based benefits like welfare are ineffective in maintaining the health of the unemployed.
The study found that while some economically important species like walleye and smallmouth bass decline, others like black crappie and common carp increase in abundance. The researchers conclude that ecosystem recovery is a positive sign, despite trade-offs in managing for certain species.
A new study found that PET scans changed clinical management for 60% of women with recurrent breast cancer, including shifting from surgery to radiation therapy or medical treatment. The scan also significantly impacted disease staging, upstaging 28% and downstaging 8%, leading to more patients being classified as stage IV.
A new international survey reveals that people are largely unaware of their cholesterol risk, with 13% believing they're at high risk for heart disease. Despite having multiple risk factors, many individuals incorrectly assess their level of risk, highlighting the need for education and awareness campaigns.
The University of Pennsylvania team has developed a fuel cell that can run directly on liquid diesel, sidestepping the need to reform fuels into hydrogen. This breakthrough could enable wider adoption of fuel cells in transportation and other applications, offering a cleaner alternative to traditional energy sources.
A study of 300 airline staff found that current smokers took almost three times as much sick leave as non-smokers, while ex-smokers had lower rates of absenteeism. Ex-smokers were also 5% more productive than current smokers, with productivity increasing over time.
Researchers used gene therapy to treat mice with beta-glucuronidase deficiency, a condition that affects approximately 1 in 5,000 babies. The treatment showed promise by improving symptoms for up to a year, but six mice eventually developed cancer, raising questions about the long-term safety of this approach.
Scientists discovered microscopic differences in minicolumns, a group of brain cells involved in language, between humans and non-human primates. These findings suggest that the human brain is organized differently than its primate counterparts, which may explain the complexity of human communication.
A study found that law enforcement officers encourage the public to use gun locks to make stored guns less dangerous, but they don't seem to like using the locks themselves. Only half of the officers who received free keyed cable gun locks accepted them, and two-thirds of those who did later reported not using the locks.
A study of older cardiac patients found that shared decision-making between doctors and patients was scarce, with many feeling uninformed about their treatment options. The authors highlight the importance of patients' preferences in healthcare decisions, particularly for those with quality of life and life expectancy concerns.