The first year of marriage marks a significant change in relationships, leading to altered dynamics that influence marijuana use. Husbands are more likely to start or resume smoking if their wives do, while wives' influence on husbands is less pronounced.
Research reveals retinol binding protein 4 (RBP4) plays a key role in developing insulin resistance, a primary risk factor for diabetes. Elevated RBP4 levels correlate with the severity of insulin resistance in humans with obesity or type 2 diabetes.
The MIT-Williams team successfully observed the occultation of a star by Charon, Pluto's moon, using multiple telescopes in Chile. The data will help determine Charon's radius and whether it has an atmosphere, with implications for understanding the moon's composition and potential habitability.
A team of scientists from K-State and Brookhaven National Laboratory has developed a compact, high-resolution gamma ray detector that is cheaper to produce than existing devices. The invention, which uses a patented design by McGregor and McNeil, can be used for homeland security purposes, medical imaging, and radiation monitoring.
The study reveals that wintering waterbirds, primarily tufted ducks and coots, deplete mussel populations by over 90% in waters up to 11m deep. This top-down effect has a significant impact on the littoral community, with mussels recovering during summer months.
Researchers at University College London have discovered that mesenchymal stem cells create both muscles and bones in vertebrates, with blurred boundaries between cell groups. This sheds new light on human diseases like Klippel-Feil syndrome, where these regions are often malformed.
Researchers at NIEHS discovered that the beta estrogen receptor plays a significant role in ovarian function, potentially leading to new treatments for infertility. A simple blood test could diagnose genetic mutations affecting the receptor's function, improving treatment options and chances of having a healthy child.
Researchers found M. catarrhalis responsible for 10% of COPD exacerbations, with potential to develop vaccines to prevent infections in patients. The study involved 104 adults with COPD and identified 120 episodes of M. catarrhalis infections associated with flare-ups.
Researchers found that roughly 15% of genes are expressed differently among male salmon of the same species, depending on their life history. The findings suggest that the 'default' life cycle may result from active inhibition of development into a sneaker male.
Researchers found a link between certain benign breast lesions and increased risk of breast cancer, particularly proliferative and atypical types. Women with non-proliferative forms had no increased risk as long as they didn't have a strong family history.
A new study found that high school age children with a healthy weight had favorable lipid profiles, including lower levels of triglycerides and higher ratios of HDL cholesterol. The leanest teens, those with less than 25 percent body fat, had the best lipid/lipoprotein profiles.
Researchers found deficits in trunk and hip strength, hamstring flexibility, and back proprioception in golfers with a history of low-back pain. These findings can inform the development of injury prevention programs and exercise programs for golfers to prevent or rehabilitate low-back injuries.
The California Department of Corrections and Rehabilitation is providing $1.95 million for a new UC Irvine center to evaluate juvenile and adult prison programs, including rehabilitation and reentry options. The Center for Evidence-Based Corrections will inform policy decisions with scientific evidence.
Researchers found that alendronate, combined with calcium and vitamin D, significantly prevented further bone loss in liver transplant patients for four months after the procedure. After three years, patients with osteopenia or osteoporosis showed improved BMD despite not reaching normal levels.
A study of 3,558 US hospitals found that patients received inadequate care for six quality indicators, with performance varying by region, hospital type, and profit status. Hospitals in the Northeast and Midwest scored higher than those in the West and South, while not-for-profit hospitals outperformed for-profits.
Engineers develop optoelectronic tweezers that can manipulate large numbers of single cells and particles, offering a practical advantage over existing methods. The device uses a photoconductive surface and light-emitting diode to create an electric field for particle manipulation.
A study suggests that implementing three key reforms could transform the Medicare program, including creating an out-of-pocket maximum, paying physicians to submit electronic medical records, and improving care coordination among physicians. This could lead to better treatment, reduced duplicate tests, and improved patient outcomes.
A growing appetite for public reporting of hospital infection rates could lead to improved patient safety and quality of care. UT Southwestern professor Dr. Jane Siegel advocates for standardized reporting systems to track key metrics, but notes that challenges exist due to differences in patient populations and data collection methods.
The newly completed field tests show that the new approach in coupling models can be successful, producing similar temperature and wind outputs globally. The ESMF enables sharing and comparison of alternative scientific approaches from multiple sources, making it easier to develop realistic representations of the Earth as a system.
Astronomers discover a young star with unprecedented amounts of warm dust near its orbit, where Earth-like planets are most likely to exist. The team believes this could be the result of a massive collision between planet-size objects, potentially forming conditions similar to our own solar system.
Research by Jason Walker found that women make more workplace adjustments than men, leading to scheduling conflicts and time pressures. Public and private sector policies can help maintain employees' ties to the paid labour market while allowing care for family members with chronic health problems.
A comprehensive assessment of smoking cessation services found substantial clinician compliance with guidelines, with most smokers reporting they wanted doctors to discuss cessation at medical visits. However, only a third of motivated smokers asked for help, highlighting the need for improved patient engagement and encouragement.
Recent study examines ELBW infants born in 1992-1995, revealing 64% with chronic conditions, including cerebral palsy, asthma, and low IQ. These children require specialized medical and educational services to manage their needs, highlighting the importance of proactive planning.
A survey of over 115 parents found that 74% had heard of using cranberry for UTI prevention, but few discussed it with pediatricians. Cranberry products were used by 29% to treat or prevent UTIs, often without medical guidance.
A two-year, $1.5 million project will provide fundamental information about sediment translocation in Venice lagoon, using a multidisciplinary approach to analyze geochemical, physical, microbial, toxicological, and ecological science. The research aims to assess the effects of sediment movement on the lagoon's ecosystem.
Researchers found that blocking oxytocin receptors during pregnancy reduced offspring growth and increased delay in milk release. This suggests improving the oxytocin system could encourage longer breast-feeding and support human health.
A study found that insulin resistance is a predictor of congestive heart failure (CHF) in elderly men, independent of diabetes and other established risk factors. Insulin resistance was also associated with more severe disease and a worse prognosis in patients with CHF.
Research reveals peptide signals play a key role in information processing, influencing complex behaviors such as sexual and social behaviors. Alpha-MSH effects male sexual behavior by stimulating oxytocin release from dendrites, changing brain circuitry.
A study of 15,500 middle-aged men and women found that regular yoga practice was associated with a lower weight gain between ages 45 and 55. Those who were already normal weight at age 45 and practiced yoga regularly lost about 3 fewer pounds compared to non-practitioners.
In a unique project, scientists collaborated with Fijian villagers to explore, protect, and generate income from their coral reef. The project involves planting synthetic rock that becomes naturally covered by desirable species, providing villagers with financial benefits.
The UK has seen a significant decline in deaths from volatile substance abuse, with 51 deaths recorded in 2003, the lowest annual total since 1980. Butane cigarette lighter refills were found to be a major contributor to these deaths, particularly among under-18 year olds.
Researchers found that including choline in baby formula during pregnancy can prevent symptoms of Fetal Alcohol Syndrome, a condition causing learning disabilities and mental retardation. The study also suggests that monitoring infants' urine flow and vasopressin content could serve as future tests for the condition.
A study of 1,351 deceased women and 2,501 cancer-free women found similar screening rates among both groups. Women with increased risk showed a 26% reduction in mortality, but this was not statistically significant.
The 'Ecce Homology' project uses dynamic media and computer vision to visualize genomic data, making it accessible to the general public. By creating scientifically accurate pictograms of genes and proteins, researchers aim to reduce complexity and facilitate understanding of genomics.
Nutrient supplement experts emphasize the importance of a balanced diet over supplements, highlighting insufficient data on high dose supplementation and potential negative effects.
The British Antarctic Survey has selected a futuristic design for the new research station, which features modular construction and renewable energy sources. The winning design won against three other teams that presented innovative concepts for the challenging construction project on Earth.
Research teams from Tulane, LSU, and University of Edinburgh found that endocannabinoids play a role in regulating the neuroendocrine stress response and influencing social behavior. Endocannabinoids may have potential therapeutic applications in diseases such as multiple sclerosis and epilepsy.
A recent study by Stanford University researchers reveals a complex 'biogeochemical patchwork' of high and low nutrient availability in tropical soils. The study predicts that only about 17% of the landscape is nutrient-poor, with slopes and valley bottoms often as fertile as the most verdant forests.
A new molecule Pep1 has been isolated from Arabidopsis thaliana, a plant species favored for experimentation, and found in various crop species. The Pep1 peptide regulates pathogen defense in plants, increasing their resistance to diseases and enhancing overall growth.
A team of researchers developed a microreactor that continuously regenerates essential cofactors through enzyme-catalyzed reactions, driving favorable reaction equilibria. This innovation enables the efficient biocatalytic synthesis of chiral fine chemicals in larger quantities.
A study analyzed data from 18 published studies on TP53 protein and mortality rates, finding selective reporting biases that may have fabricated strong associations. The authors caution that the findings highlight limitations of current research methods and call for more transparent reporting and better study design.
A recent study has identified mitochondrial acyl-CoA:glycerol-sn-3-phosphate acyltransferase 1 (mtGPAT1) as a trigger for insulin resistance in the liver. The researchers found that mice lacking this enzyme were protected from fatty liver and liver insulin resistance, suggesting mtGPAT1 as a potential therapeutic target.
Researchers detected high concentrations of MTBE in ground water throughout the Northeast US, particularly in urban areas. These findings highlight the potential health risks associated with low levels of MTBE in drinking water.
New study reveals that acute insulin pulses limit fat synthesis in the liver by activating a key molecule called CEACAM1. Regular periods of fasting between meals help maintain a healthy liver by allowing insulin levels to fluctuate.
Researchers presented findings on hormonal signaling systems in the brain, revealing a radical shift in understanding information processing. Oxytocin and vasopressin were found to play key roles in social cognition, anxiety, and schizophrenia, with potential applications for novel psychiatric treatments.
Researchers propose OT and VP as targets for novel psychiatric treatments, including anxiety and schizophrenia therapies. The study suggests that drugs targeting these hormones could offer new approaches to treating debilitating psychiatric disorders.
Researchers found that estrogen triggers molecular activity blocking cardiac hypertrophy, a common cause of heart enlargement and heart failure. The study suggests that estrogen supplements may prevent cardiac hypertrophy in postmenopausal women, continuing a debate on the hormone's role in limiting cardiovascular disease.
The study found that suppressing SIRT1 increases the ability of cells to divide indefinitely without senescence. This discovery has potential applications in generating normal cells for research and could be used in techniques to produce large numbers of cells.
Researchers found that recognizing familiar objects is easier when they appear at the same angle, as this allows for temporary adjustments to the coordinate system. This can lead to improved recognition of misoriented objects, such as a dog shown in the same orientation as another object.
Researchers identify HPV types 16 and 18 as key factors in cervical precancer development, supporting targeted management for high-risk women. Night-shift work linked to increased breast cancer risk, while melatonin levels found to lower risk.
A new study shows that taking antibiotics within two months increases the likelihood of developing resistant bacteria. GPs are responsible for most antibiotic prescriptions in the UK, but may underestimate the individual risk.
Three Johns Hopkins undergraduates built a model airship to test guidance, navigation and control systems for a military surveillance craft. The blimp was designed by APL engineers to conduct surveillance at the outer edge of the Earth's atmosphere, with video camera capabilities.
Scientists with the UF Genetics Institute found that eliminating microRNAs from specific tissues can reveal their vital role in healthy development. The technique may provide insight into human birth defects and has potential applications in studying the function and malfunction of microRNAs, a crucial part of human gene expression.
A study found that hospital report cards using linked administrative databases did not improve acute myocardial infarction (AMI) care quality. The lack of effectiveness may be due to skepticism about the data or the need for more intensive interventions.
GSK researchers have developed non-peptide selective oxytocin receptor antagonists with high affinity for human and rat OT receptors, suppressing myometrial contractions and potentially delaying labor. These compounds may significantly reduce infant morbidity, including lung disease, intraventricular hemorrhage, and death.
Research by Larry Young on voles has shed light on the molecular mechanisms underlying social attachment, which may hold clues for understanding autism. The study suggests that oxytocin and vasopressin play a critical role in modulating social behavior and shaping normal adult social behavior.
Researchers at Case Western Reserve University found that taking ibuprofen before gum surgery can lead to nearly double the amount of blood loss compared to those who don't take the medication. The study suggests patients should avoid NSAIDs before oral surgeries to minimize bleeding risk.
A study by Professor Sali Tagliamonte found that female adolescents tend to use words like, just, and so more frequently in their conversations as they get older. This language change occurs earlier than in males, with 15- and 16-year-old females using the word 'like' most frequently.
Researchers found that tumor cells use jagged1 protein to interact with endothelial cells, prompting angiogenesis and tumor growth. This discovery could lead to a two-pronged approach to treat cancer by blocking protein secretion and cell contact.
Researchers investigated the roles of PTEN and TSC2 in tumorigenesis and found that TSC2 can suppress specific tumors caused by Pten heterozygosity. However, PTEN is haploinsufficient for repression of carcinogenesis resulting from Tsc2 heterozygosity.