Research reveals that young people who use condoms often apply them too late or remove them too soon, increasing the risk of unwanted pregnancy and sexually transmitted infections. Those with a close relationship with their mothers are more likely to use condoms correctly.
Researchers found that taking Lipitor reduced the risk of secondary stroke by 16% and major coronary events by 35%. The study suggests that initiating statin treatment shortly after a stroke may be beneficial for patients at high risk.
A pilot research study led by Marina Bers explores how virtual environments can promote positive development in post-transplant adolescents and encourage adherence to treatment protocols. The study uses a three-dimensional virtual world called Zora, where children create and control their own identities and interact with others.
Researchers at Arizona State University's Polytechnic campus conducted a landscaping experiment to examine the impact of environmental surroundings on human behavior. The study found that individuals living in areas with lush landscapes preferred more recreational spaces, while those in desert environments barely knew their neighbors.
A University of Minnesota study found that teens with low body satisfaction are more likely to engage in unhealthy weight control behaviors, such as binge eating and smoking, which can lead to obesity and poor health. In contrast, those with a positive body image tend to prioritize healthy eating and exercise.
A 22-year study by Harvard Medical School found that the prevalence of overweight children increased from 6.3% to 10%, while infants showed a 59% rise in risk and a 74% increase in number of overweight infants. This suggests that efforts to prevent obesity must start early, even before birth.
The Lung Metagene Predictor scans thousands of genes to identify patterns of gene activity in individual tumors, predicting a patient's likelihood of recurrence and recommending chemotherapy accordingly. The test has the potential to save thousands of lives each year by targeting high-risk patients with aggressive treatment.
A gene that enables rice to survive complete submergence has been identified, allowing for development of new rice varieties that can withstand flooding. The discovery is expected to increase food security for 70 million poor people and reduce yield losses from weeds in areas like the United States.
A humanitarian response is required in Lebanon due to the dire situation faced by millions. The lack of access, security, and funding for aid delivery has exacerbated the crisis.
Researchers identified a number of activity patterns in genes that make tumors biologically different, providing valuable information for treatment decisions. Four out of five predictors showed significant agreement in their outcome predictions, indicating potential for personalized treatments.
A new study of twins found that genetic susceptibility to Multiple Sclerosis is significantly increased among those born in the northern environment, with a higher concordance rate among identical twins. Northern residence also contributed to an earlier onset of the disease, suggesting environmental factors play a crucial role.
Experts recommend Arctic nations designate marine protected areas, foster economic adaptation, and reduce greenhouse gas emissions to cope with climate change. Implementing these policies could significantly slow the rates of Arctic change.
A team of scientists has revealed detailed images of embryos over 500 million years old, shedding light on the evolutionary changes of the penis worm. The study uses synchrotron-radiation X-ray tomographic microscopy to reconstruct internal anatomy and reveals unique patterns in embryonic development.
SNAP, a NASA-supported mission, aims to measure the expansion history of the universe and investigate dark energy. Using two independent techniques, it will analyze thousands of Type Ia supernovae and independently probe the growth structure of the universe.
A study found that exposure to similar logos reduces brand-exclusive recall by one-third, on average. Consumers' relative knowledge of the two product categories also impacts retrieval.
Researchers at University of Central Florida have discovered a defense peptide that can effectively block the HIV-1 virus from entering and infecting blood cells. The peptide, retrocyclin, has shown minimal resistance to the virus over 100 days, making it a promising candidate for developing an affordable treatment.
Researchers at Carnegie Mellon University have developed Ballbot, a self-contained mobile robot that balances dynamically on a single sphere, enabling it to move easily among people and furniture. The robot's tall and skinny design allows it to outperform traditional statically stable robots in environments with obstacles.
A five-year study found that taking atorvastatin soon after a stroke can reduce the risk of recurrent stroke by 16 percent in people with no known history of coronary heart disease. The study also showed that atorvastatin reduces the risk of other major coronary events, such as heart attack and cardiovascular events.
A four-year study found chronically high blood sugar associated with increased risk of mild cognitive impairment (MCI) or dementia. Women with elevated glycosylated hemoglobin were four times more likely to develop MCI or dementia than those with lower levels.
A recent study published in Journal of Epidemiology and Community Health found that never-married individuals are 58% more likely to die between 1989 and 1997 compared to their married peers. The 'never married penalty' is higher for those in excellent health, but not among the poor or elderly.
Researchers have uncovered a genetic 'snooze button' that regulates when plants bloom in the spring, allowing them to compete for resources. The study's findings offer hints at precise control over flowering, essential for agriculture and plant reproduction.
Research on over 14,000 hospital patients and 38,000 controls found that workplace violence increases the risk of depression by 45-48% in both men and women. The magnitude of risk is directly proportional to the amount of violence experienced at work.
A large representative survey found that 3.5% of adolescents in the US had ever exchanged sex for drugs or money, with higher rates among African American youths and those from non-traditional family setups. The study also showed a significant link between exchanging sex and drug use, as well as depression and having been forced into sex.
A $2.25 million NIMH-funded study is being conducted at Kent State University to examine the psychological impact of ongoing terrorism on PTSD and depression. The study aims to identify factors that exacerbate mental health issues, such as prior trauma exposure and social support.
Scientists replicated HCV in mouse cells using a gene called protein kinase R, blocking the virus's high rate of replication. This breakthrough may lead to better understanding of why some patients respond to treatment, potentially shedding light on new therapeutic strategies.
A new study from the University of Chicago Press Journals reveals that consumers perceive price hikes differently for material goods and services. Consumers consider fair price increases when costs associated with production or provision increase, but not when service costs and vendor profits are linked.
Research suggests Transcendental Meditation can modify brain function to reduce trait anxiety and stress reactivity, improving outcomes for those with acute and chronic pain. The study's findings have implications for pain management and treatment of conditions like depression and anxiety.
The IODP Arctic Coring Expedition has provided new evidence that the Arctic was extremely warm and ice-free up to 55 million years ago, during the Paleocene/Eocene thermal maximum. This period saw a massive release of greenhouse gases, leading to significant temperature rises and changes in ocean chemistry.
Researchers found strong parallels between consumer complaint websites and civic protest movements, with consumers using rhetorical tactics to address injustice and agency. Consumers targeted companies like American Express and United Airlines, framing their grievances as a cause worthy of public attention.
EMBL scientists have founded a start-up company called Elara Pharmaceuticals GmbH to develop new anti-cancer drugs. The company will take promising small molecule leads from EMBL's Chemical Biology Core Facility and further develop them for evaluation in animal models of various types of cancer.
A brain protein called BDNF plays a critical role in regulating anxiety and alcohol consumption in rats. Lower levels of BDNF in specific areas of the brain increased anxiety and drinking behavior, while restoring normal BDNF levels diminished these effects.
A large international study provides strong evidence that common genetic variants in the alpha-synuclein gene contribute to Parkinson's disease worldwide. Variability in this gene is associated with a 1.5 times greater risk for the disease, highlighting potential therapies to reduce alpha-synuclein protein production.
Research reveals that African HIV-infected patients have significantly higher rates of adherence to antiretroviral regimens, with 77% taking their medications as directed compared to 59% in North America. This contradicts historical assumptions about poor adherence among Africans.
A University of New South Wales PhD student has discovered a way to measure brain waves to diagnose and monitor color perception diseases. The study found that brain activity patterns could be used to reveal the finest color discriminations individuals can make, potentially leading to a new visual health test.
Researchers investigated nutritional links between smoking and oral cancer, finding folate levels lower in smokers' blood and cheek cells. Smokers also had altered forms of folate distribution, while antioxidants like carotenoids and vitamin E showed similar trends. More studies are needed to clarify these findings.
Researchers have elucidated the role of adrenal clocks in maintaining circadian rhythms. The adrenal gland contains a peripheral clock that defines a time window for responding to external stimuli, regulating corticosterone release and stabilizing physiological rhythms.
University of Michigan researchers John Vandermeer and Ivette Perfecto argue that peasant farming practices actually support conservation in the tropics. The study found that agroforests, where fruit and timber trees share space with other crops, serve as thoroughfares for migrating animals and promote biodiversity.
Researchers developed a way to discover how genes and diet interact to cause birth defects using transparent fish embryos. They found that copper metabolism affects embryonic development, leading to insights into structural birth defects like scoliosis.
A new study finds that automated external defibrillators (AEDs) have a greater than 20% chance of being recalled for potential malfunction over the past decade. The devices, used to resuscitate victims of sudden cardiac arrest, are complex medical devices that can sometimes malfunction.
A new project aims to create fast and sophisticated computer models to understand ecosystem dynamics and value for any spot on earth. The models will help policymakers identify specific ecosystem services and their impacts, enabling informed decisions on land use.
University of Utah meteorologist Ed Zipser leads a NASA mission to study African weather disturbances that intensify into hurricanes. The study aims to improve hurricane prediction and understanding of extreme events like category 5 storms.
The NHLBI guide provides information on the impact of physical activity on your heart, including tips for incorporating physical activity into daily life. Regular physical activity is essential for maintaining a healthy heart, with benefits including burning extra calories, building stamina, and improving balance.
Dr. Frank M. Richter is recognized for his contributions to solving geologic problems through physics and chemistry applications. His work on mantle dynamics, thermal evolution of Earth, and fluid dynamics has defined the state-of-the-art in the field.
Researchers confirm four new cases of Rett syndrome in boys with no family history, highlighting need for prenatal diagnosis and pediatrician awareness. The condition affects mostly females due to the presence of a single X chromosome, but its incidence may be higher than initially thought.
Researchers found that nitric oxide enhances communication between the thalamus and cortex, allowing for more complex brain operations. This discovery could lead to a better understanding of major brain disorders such as schizophrenia and attention deficit disorder.
As heart procedures increase, it's essential to monitor success of new treatments and technology to keep costs down and quality high. Financial incentives from insurance companies and peer review teams can help improve care while reducing expenses.
Researchers discovered a mutation in the zebrafish that causes copper distribution disorders similar to those in humans. The discovery suggests new potential treatments for structural birth defects and confirms similarities between zebrafish and human genetics.
Researchers develop diamond resonators and oscillators for next-generation telecommunication devices, enabling higher data communication rates. The UNCD material exhibits exceptional mechanical properties, allowing for reliable and affordable production of tuning fork devices.
A new study suggests that post-transplant lymphoproliferative disorder (PTLD) arises when immune cells called scout cells become weakened, allowing the Epstein-Barr virus to cause cancer. The study identifies a mechanism that may explain why some patients develop PTLD and others don't.
A study published in Developmental Science found that children's attention skills are not yet adult-like until the early teens. Children aged 6-10 struggled to detect changes in their environment, revealing a fundamental difference in their perceptual abilities compared to adults.
Purdue engineers are developing advanced rocket technology that uses kerosene, eliminating the need for foam insulation. The research focuses on understanding combustion instability to create better computational models for designing rocket engines. This will enable more efficient and safer testing, reducing the risk of accidents and h...
Peter Zoller, a renowned Austrian physicist, has been awarded the prestigious Dirac Medal 2006 for his groundbreaking research in atomic physics. He is being recognized for his innovative methods to use trapped ions for quantum computing and realizing the Bose-Hubbard model in ultracold gases.
Gold nanoclusters can be activated as catalysts with thin magnesium oxide films, even in defect-free conditions. The study reveals that the film's thickness influences the cluster's structure and dimensionality.
A study analyzed FDA recalls and safety alerts involving automated external defibrillators (AEDs) and accessories between 1996 and 2005. The findings show that AEDs were recalled in 9 of 10 years, with electrical or software problems being the most common cause.
A new study found that copper deficiency in zebrafish leads to birth defects similar to those seen in children with Menkes disease. The researchers discovered a critical role for copper in notochord formation and development, suggesting suboptimal copper metabolism may contribute to structural birth defects.
A unique medical research study has begun evaluating 1,001 individuals at risk of developing Huntington's disease who do not know whether they carry the genetic defect. The PHAROS study aims to identify early signs of the disease and inform clinicians in designing better studies for new drugs.
Research demonstrates zebrafish as an efficient and effective animal model for assessing human cancer cells at various stages of tumorigenesis, with significant findings including conserved cell signaling mechanisms and the ability to visualize cell migration and angiogenesis formation in vivo.
The new curriculum is designed to encourage students to investigate problems and develop their own solutions, putting the responsibility on them to learn. Students will work with the upgraded software and hardware to appreciate the importance of math and science in real-world applications.
A new screening program using digital cameras and the Internet effectively identifies early childhood dental caries (ECC) in 40% of toddlers. The program, developed by University of Rochester Medical Center researchers, uses photos taken by child care center health assistants to detect ECC before it becomes a painful problem.
A Kenyan study confirms that routine Hib vaccination significantly reduced invasive Hib disease to 88% below baseline. This finding suggests that virtual elimination of the devastating disease is possible if more countries adopt the vaccine as part of their national immunization programs.