The study found that women who had both ovaries removed but were treated with estrogen until age 50 did not have an increased risk of cognitive impairment or dementia. Women who had one or both ovaries removed before menopause faced a higher long-term risk of cognitive impairment or dementia compared to those who retained their ovaries.
Research finds patients with lower levels of HCV antibody titer tend to have a brighter clinical outcome. Co-infection by hepatitis B and A viruses is associated with a higher possibility of self recovery, possibly due to interference with virus replication.
Researchers found that consumers estimate sandwiches contain 35% fewer calories when from healthy restaurants, leading to increased consumption of high-calorie beverages and sides. Encouraging people to examine health claims eliminates the 'health halo' effect, highlighting the need for quantitative food assessment.
A study by Keith S. Coulter and Robin A. Coulter found that the numerical value of the farthest right digit influences consumer perception of sale prices, with smaller digits perceived as larger discounts.
The new software application uses Analytical Hierarchy Process (AHP) to select the most efficient BMPs for a particular location based on site-specific criteria. This approach is expected to drastically reduce the BMP selection time and eliminate human error.
A study suggests that people tend to remember bad times more vividly than good times. This phenomenon is linked to increased activity in emotion-processing regions of the brain. The findings have implications for understanding autobiographical memory, eyewitness testimony, and posttraumatic stress disorder.
Researchers discover that the L1-CAM gene is highly expressed in colorectal cancer cells that have spread to the liver, while normal colon tissue lacks this gene. This finding highlights the importance of L1-CAM in metastasis and opens new avenues for cancer research.
Researchers at UT Southwestern Medical Center found that dietary fats can kill transplanted pancreas cells, leading to a decline in insulin production. Limiting fat formation might make pancreatic cell transplants more effective.
A Kaiser Permanente study shows that treating gestational diabetes during pregnancy lowers a child's risk of becoming obese, with children whose moms were treated having the same risk as those with normal blood sugar levels. High maternal sugar levels increase childhood obesity risk, but treatment reduces it.
The BioWeb is an Internet library of peer-reviewed papers and information related to bioenergy and bioproducts, providing valuable resources for scientists, students, and researchers. The project aims to strengthen American agriculture and develop environmentally friendly manufacturing products and technologies.
Scientists have developed a novel method for capturing and genome-wide screening of blood vessel cells in their actual disease state, advancing potential for genetic research. The technique allows for precise cell-specific information and has implications for diseases such as cancer and chronic wounds.
A Japanese patient with liver cirrhosis and HCV infection underwent liver transplantation and was cleared of the virus just one month later. The long-term use of PEGylated IFN may have contributed to this outcome.
A study in Kabul found alarmingly high rates of risky injecting and sexual behaviors among injection drug users, with 50% sharing syringes and 76% engaging in paid sex. The incidence of Hepatitis C infection was also high, potentially foreshadowing an increase in HIV rates.
Researchers found that evolving to complex goals accelerates speedup in simulations, suggesting a possible shortcut to optimization. The study's findings have practical implications for engineering fields and computer science.
Researchers identified different areas of risk-taking based on ancestral challenges, finding that fertility risks are the least taken and social status-related risks are the most. Men were consistently more risk-takers than women across various domains.
Researchers at the University of North Carolina analyzed data from nine studies and found that patients with a specific gene variation had a greater risk of side effects when taking medium or high doses of irinotecan. The study suggests that the FDA should modify its guidelines to reflect this finding.
A new study published in Geophysical Research Letters suggests that greenhouse gases played a significant role in the near-record US warmth in 2006. The research team found that greenhouse gas increases enhanced the probability of record-breaking temperatures by approximately 15-fold, making El Nino an unlikely contributor.
Researchers discovered that an experimental multiple sclerosis drug, fingolimod, may also help patients with certain lethal forms of leukemia. The study found that the drug prevents cancer cell development and kills leukemia cells in mouse models, suggesting a promising new approach for treating resistant cases.
In a first systematic analysis, researchers confirm the limited human-to-human spread of avian-flu virus in Indonesia. Biostatistician Ira M. Longini Jr. found the virus spread within a small family, with the new software providing real-time analysis.
Researchers from the University of Cincinnati and Louisville found that facial transplant outcomes differ significantly from previous data on kidney and hand transplants. They suggest a more optimistic view of face transplantation, with lower rates of acute and chronic rejection.
A recent study discovered that mice lacking the protein myostatin and overproducing follistatin have four times more muscle mass than normal mice. This finding offers new avenues for enhancing muscle growth in patients with muscular dystrophy and other wasting diseases.
A recent study published in the Journal of the National Cancer Institute found that hypnosis prior to breast cancer surgery reduced the amount of anesthesia used during the operation, as well as levels of pain and other side effects reported afterwards. This resulted in shorter hospital stays, fewer readmissions, and lower surgical costs.
Hypoxia caused by low oxygen levels in coastal waters impairs fish reproduction by disrupting their hormones. Laboratory studies found that hypoxia decreases serotonin levels in the brain, leading to endocrine disruption.
Researchers show that traditional mating patterns make men essential to understanding the 'wall of death,' a puzzle in human lifespan. Men's reproductive patterns differ from women's, with earlier and more gradual decline after female menopause.
A study found that men screened every two years had more detected cancers than those screened every four years, but aggressive cancer detection rates remained the same. The results suggest that more frequent screening may detect smaller, clinically insignificant cancers.
A new study by INFORMS found that experts' unaided judgment forecasts are only slightly more accurate than those of newcomers. The study shows that the chances of success for both experts and novices are around 28%, with a difference of less than 4 percentage points.
A study by Dr. Martin Edvardsson found that dehydrated female beetles mate more frequently with males to obtain water from their seminal fluid, a strategy that benefits the male by extending the time before fertilization competition resumes. The research sheds new light on the role of 'nuptial gifts' in insect courtship and mating.
A team of researchers has created an innovative method for producing tiny conductive nano-wires on silicon chips using self-assembling molecules. The process can produce nano-wires that are 5,000 times longer than they are wide, meeting the need for connecting smaller transistors and electronic components.
Researchers from the Weizmann Institute of Science have observed a rare and detailed view of a Type Ia supernova event, revealing the remnants of a red giant star that fed a white dwarf. This unique observation supports a widely accepted model of these explosions.
Faculty members Kirk Cameron, Wu-Chun Feng, and Dimitrios Nikolopoulos have received IBM Faculty Awards for their exceptional work in plant phylogeny, software productivity, and computing environments. The awards aim to promote collaboration between researchers and foster growth in strategic disciplines.
Researchers have observed the properties of neutron stars, including their sizes and masses, using a new technique that exploits Einstein's general theory of relativity. The study provides insights into the extreme conditions within these ultradense objects.
A recent study found that a split-bolus CT urography technique can reduce both radiation dose and number of images produced, while maintaining high sensitivity and specificity. This new method has the potential to replace traditional excretory urography protocols for diagnosing urinary tract abnormalities.
Researchers at UCSD have designed a new algorithm that enables distributed rate limiting to enforce global bandwidth rate limits and dynamically shift allocations based on current network demand. The flow proportional share algorithm uses TCP to estimate bandwidth demand, providing fairness and practicality for deployment nationwide.
Researchers identify specific H. pylori strains associated with precancerous gastric lesions, potentially underestimating the risk of gastric cancer. Meanwhile, a gene called OGR1 is found to suppress prostate cancer metastasis in mice, suggesting its potential as a novel metastasis suppressor gene.
Researchers at University of Pittsburgh School of Medicine found gamma globulin to be highly effective against adenovirus-mediated eye infections, including conjunctivitis. The treatment showed significant antiviral activity and minimal toxicity.
A new study by Catherine Mosher and Sharon Danoff-Burg found that college men are more likely than women to prioritize a romantic relationship over achieving their career and education goals. The researchers also discovered that men derive more emotional support from opposite-sex relationships than same-sex friendships.
Researchers have identified a new abnormality related to disease progression and disability in patients with multiple sclerosis (MS). The study found that T1-weighted MR images of the brains of MS patients often depict bright areas called hyperintense lesions, which were more likely to be present in patients with secondary-progressive MS.
A study by Durham University researchers found that mothers who cradle their babies to the right hand side are displaying signs of extreme stress. This finding could help identify mothers at risk of developing post-natal depression.
University of Maryland researchers found a unique olfactory system in mice that can detect hormones involved in regulating water and salt balance. This discovery may lead to new understanding of social information transmission between individuals.
People who stopped taking cholesterol-lowering drugs after a stroke are at greater risk of death or dependency. The study found that those who continued taking statins had a significantly lower risk of dying or becoming dependent on others.
Researchers have successfully identified reprogrammed cells in mice without using genetic markers, simplifying the process and potentially yielding a bountiful supply of custom human embryonic stem cells. This breakthrough brings human stem cell therapies closer to reality and eliminates one major hurdle to reprogramming human cells.
Botanists at Oregon State University have discovered a single plant gene that causes resistance to one disease, while producing susceptibility to a different disease. This unusual phenomenon may help scientists better understand the pathways of genetic disease resistance and susceptibility in plants.
The University of Pittsburgh School of Medicine has been awarded a $16 million grant to establish the Pittsburgh Center for HIV Protein Interactions, which will investigate the life cycle of HIV. Researchers at the center will use advanced technologies to identify key virus-host interactions and develop new drug targets.
A new study published in the Journal of Experimental Medicine suggests that COX-2 inhibitors like Vioxx trigger life-threatening side effects by stimulating blood clotting. The researchers propose a solution by administering TF-reducing drugs alongside Cox-2 inhibitors to treat people safely
Researchers have discovered a specific form of estrogen that can protect the brain from degeneration without increasing cancer risk. This 'designer estrogen' offers potential for treating multiple sclerosis and combating other age-related brain diseases.
Iowa State University and Great Ape Trust are creating a world-class research center for primatology, providing opportunities for students to collaborate on tool use, culture, language, and intelligence. The partnership recognizes shared scientific and ethical values in primate research.
A new study found that high stress levels contribute to memory loss among individuals at risk for developing Alzheimer's disease. Those with the APOE-å4 gene variant and high cortisol levels showed significant memory impairment, suggesting a link between chronic stress and cognitive decline.
Astronomers have pioneered a new technique to measure the properties of neutron stars, allowing them to study the extreme conditions under which matter is packed. Using XMM-Newton and Suzaku satellites, scientists observed distorted space-time around three neutron stars, confirming predictions by Einstein's theory of general relativity.
Research found a bidirectional relationship between alcohol dependence and neighborhood characteristics. Alcoholism leads to staying in or moving into disadvantaged neighborhoods, while recovery from alcoholism is protective against social drift. Living in poor neighborhoods has an adverse effect on alcoholic symptomatology over time.
A recent survey found that 86% of workers aged 65+ reported being satisfied at their jobs, while those earning over $110,000 per year had the highest level of satisfaction. Job satisfaction also varies by education level, occupation, and region.
Researchers found that statin treatment may curb Alzheimer's brain changes, with a study comparing brain scans of people who took statins to those who did not. The study, published in Neurology, included 110 Group Health members aged 65-79 and provided the first direct evidence of statin's potential protective effect on the brain.
New research from MIT reveals a unified explanation for bone's toughness, incorporating several previously proposed theories. The study finds that bone's atomistic structure plays a crucial role in a toughening mechanism that allows it to tolerate small cracks and maintain its strength.
The Virginia Tech research team has observed tell-tale signals of low-energy solar neutrinos for the first time, providing evidence for the validity of a model of solar energy generation. The detection was made possible by a new technology that eliminated background contaminants and achieved unprecedented purities in the detector.
A large prospective study confirmed strong associations between current and past cigarette smoking and malignancies of the head and neck in both genders. Smoking plays a greater role in developing head and neck cancer in women than men, with higher incidence rates and relative increases in risk.
The Conaway Lab has discovered a critical role for the chromatin remodeling complex INO80 in activating transcription mediated by the transcription factor YY1. This finding provides new insights into how YY1 regulates gene expression, which is crucial for cell cycle control and may have implications for cancer therapy.
Researchers have developed a nanowire coating on titanium that enhances muscle tissue adhesion for hip replacements and dental reconstructions. The material can also be easily sterilized using UV light or ethanol, making it suitable for hospital settings and food processing plants.
As China's population reaches 336 million over 60 by 2030, the country faces a growing burden of care for senior citizens. The one-child policy may leave some older Chinese without a family member to care for them, forcing them to rely on limited caregivers or facilities.
Researchers at U of M discovered that treating people with early cardiovascular abnormalities can slow progression and even reverse damage to the heart and blood vessels. The Rasmussen Disease Score helps doctors identify early signs, enabling targeted lifestyle counseling and drug treatment.
A recent study by George Mason University found that married men report doing less housework than their live-in boyfriends. Couples with egalitarian views on gender tend to divide household chores equally, but even in these relationships, men still do more work.
Researchers at Cornell University have created a mathematical model to describe the internal clock in living beings, which regulates sleeping and waking patterns. The study proposes that an extra protein may be necessary for the circadian cycle to extend over 24 hours.