The USPSTF recommends a three-year Pap smear schedule for women aged 21-65, allowing those over 30 to go five years between tests if they undergo HPV screening. Women under 21 and older than 65 are not recommended for routine screening.
A study led by Fred Hutchinson Cancer Research Center found that US tobacco-control efforts significantly reduced lung cancer deaths between 1975 and 2000. The researchers estimated that if all smokers had quit after the 1964 Surgeon General's report, an additional 2.5 million people would not have died from lung cancer.
New research identifies the 'dilemma zone' before a stoplight intersection where drivers are unsure whether to stop or go ahead. The study proposes using advanced technology and fuzzy logic to improve yellow-light timing and reduce driver confusion.
Researchers at Johns Hopkins Bloomberg School of Public Health found that female sex workers are nearly 14 times more likely to be infected with HIV compared to the general population. The analysis of 102 previous studies representing almost 100,000 female sex workers in 50 countries revealed a significant disparity in HIV prevalence a...
A genome-wide study identified 190 genes critical for the function of TLR7 and TLR9, cellular sensors that recognize pathogens and trigger immune responses. The findings provide insights into the complex network regulating immune responses to microbial infections.
Researchers found a new potential target, alpha3beta4 nicotinic acetylcholine receptor, which plays a role in addictive properties of cocaine, morphine, and nicotine. AT-1001, a highly selective compound, disrupts addiction processes and reduces nicotine withdrawal symptoms.
A new international multi-site randomized study found that a catheter procedure to close a hole in patients' hearts was not more effective than medical therapy in preventing recurrent strokes. The study, led by Anthony Furlan, M.D., of University Hospitals Case Medical Center, enrolled 909 patients and showed no statistically significa...
Research published in BMJ Quality & Safety found that some NHS trusts deliver a consistently better experience for patients, with a strong association between Foundation Trust status and improved performance. The study identified system-wide successes and failures, highlighting areas for improvement across the healthcare system.
A study published in PLOS One found that delivering a small full-term infant increases the mother's risk of ischemic heart disease by almost two-fold. The researchers suggest that this may be due to long-term cardiovascular changes triggered during pregnancy, which can lead to increased maternal risk for heart disease.
The Nationwide Children's Hospital will use the $35,000 grant to increase health education and information available to pregnant women on methadone treatment. The project aims to improve maternal and infant outcomes by strengthening relationships between healthcare providers and at-risk women.
Researchers discovered a brain circuit that mediates loss of appetite in mice, revealing potential therapeutic targets for eating disorders. The study identified interventions that can restore normal appetite and prevent starvation by modulating signals from specific nerve cells.
Researchers at Linköping University identified seven key transcription factors that specify the creation of 34 neuron groups in a fruit fly's antenna. This discovery sheds light on the mechanisms that diversify neurons and keep them diverse, crucial for future nerve cell cultivation and replacement.
A study published in PLOS ONE found that the stomachs of wild honey bees contain a diverse range of healthy lactic acid bacteria that can combat bacterial infections and diseases in both bees and humans. The researchers also discovered that these beneficial bacteria are lost when commercially farmed bees are treated with antibiotics.
Researchers at Rensselaer Polytechnic Institute found a previously unknown link between breast cancer cells and the stroma. Cadherin-23, a new molecule, helps connect cancerous tumor cells to healthy tissue, facilitating invasive growth.
A study published in Environmental Science & Technology reveals that seeds coated with neonicotinoid insecticides cause widespread deaths of honeybees. The researchers found that even modified machines designed to reduce seed fragmentation still led to bee fatalities, highlighting the need for innovative solutions.
A study at Tufts University has identified specific epigenetic signatures that can predict the expression of a wound-healing protein in reprogrammed skin cells. This breakthrough brings researchers closer to developing personalized tissue regeneration strategies using stem cells from patients, eliminating the need for human embryonic s...
Researchers have identified a critical link in the signaling pathway that enables cancer cells to establish tumors in distant parts of the body. A new drug targeting this molecule may help prevent cancer from spreading, offering hope for improved treatment options.
A new study suggests that broader screening for hepatitis C virus (HCV) would be cost effective in reducing related mortality and morbidity. The report emphasizes the importance of linking those infected with the treatment they need to prevent further complications.
Scientists at A*STAR's Singapore Immunology Network have made significant strides in understanding Chikungunya fever, a mosquito-borne disease that can cause severe joint pains. Researchers discovered a direct biomarker, IgG3 antibodies, to identify patients at risk of the more severe form of the disease.
A new cross-cultural study shows that tonal trends used to express feelings in music are consistent across cultures and parallel those used in speech expressing similar emotions. The authors conclude that music's emotional expression is due to its imitation of vocal characteristics.
Long-term meditators have larger amounts of cortical gyrification, indicating improved neural processing and information processing. The study also found a positive correlation between meditation years and insular gyrification, supporting the idea that meditation enhances regional brain structure.
A recent study published in The Journal of Infectious Diseases found a significant association between H. pylori bacteria and elevated glycosylated hemoglobin (HbA1c) levels in adults, particularly those with obesity. This link suggests that the bacteria may play a role in the development of type 2 diabetes.
A new study by the Economic & Social Research Council found that the UN's Clean Development Mechanism (CDM) is skewed towards polluting corporations and people who earn a living from the market. The CDM is meant to finance investment projects that reduce emissions and bring development benefits to poorer countries.
Between 1975-2000, US lung cancer mortality declined significantly due to reduced smoking rates. Tobacco control measures such as increased taxes and smoke-free laws contributed to this decrease.
In Colombia, an integrated pest management (IPM) program for coffee berry borer successfully reduced insect damage and improved quality. The program involved harvesting fewer berries per tree, increasing parchment coffee bean quality, and increasing the proportion of high-quality specialty coffee sold.
Research at the American Heart Association's 2012 Scientific Sessions found that living in neighborhoods with favorable features, such as parks and healthy food options, is associated with better cardiovascular health. Participants with ideal health were more likely to be under age 55, male, and highly educated.
A survey of 1,000 physicians found that those who exercised regularly or didn't smoke were twice as likely to make five lifestyle recommendations to patients. The study also showed that most doctors (66%) made these recommendations, despite having unhealthy habits themselves.
A CDC study reveals a significant increase in foodborne disease outbreaks linked to imported foods between 2009 and 2010. Fish and spices were the most common sources of these outbreaks, with nearly half coming from Asia. The study highlights the growing global nature of the US food supply, exposing consumers to new pathogens.
Researchers have successfully built nano spiral staircases with tailored optical material from DNA, modifying light in specific ways. The findings confirm predictions and show promise for developing novel optical lens systems with negative refractive index.
A new study suggests that the seas rose 20 to 43 feet higher than today during an extremely warm period 400,000 years ago, contradicting previous estimates. The research provides a simple explanation for high beach deposits and infers that Greenland and West Antarctica ice sheets collapsed at that time.
Freezing eggs or ovarian tissue for delayed childbearing proves costly for society, with an additional $130,000 required per live birth. The study suggests doing nothing is the most cost-effective option, while freezing eggs is less expensive than ovarian tissue.
Ingenol mebutate, a new topical gel, is applied for just a few days and shows comparable results to current therapies. The treatment significantly reduces the time needed to treat actinic keratosis, a common precursor to sun-related squamous-cell carcinoma.
Slugs are major crop pests in no-till field crops, with limited management options available. Integrated pest management options, including cultural, biological, and chemical controls, are suggested for common mid-Atlantic slug species.
A recent study found that nursing home RNs and LPNs differ in their approach to medication reconciliation, leading to opportunities for improved collaboration. Enhancing training and assigning complementary roles may improve patient care and satisfaction.
African-American men who believe they should respond to stress with emotional control experience more depression symptoms when confronted with racial discrimination. The study found that traditional role norms can amplify the negative effects of discrimination on mental health.
Scientists create a simple, inexpensive dip-and-dry treatment to convert ordinary silk into a fabric that kills disease-causing bacteria, including anthrax spores. The new 'killer silk' has potential uses for protective coatings, water purification, and mitigating toxic substances.
Research found that over half of school children carry rucksacks weighing 10% or more of their body weight, increasing the risk of back problems. Girls are more susceptible to back issues, which worsen with age. Experts advise parents and teachers to promote healthy backpacking habits.
Researchers at Stanford University School of Medicine have developed a computer algorithm to quickly identify true drug side effects and interactions from millions of patient reports. The method, which includes a list of dozens of prominent drug interactions, has been tested on patients' electronic health records and confirmed accurate.
A new study suggests that fecal transplantation is clearly better than any other treatment for recurrent Clostridium difficile infection. The procedure showed an outstanding result in a patient group unresponsive to other treatment methods, with no serious adverse events observed during a one-year period.
A new method of social network analysis has been developed to identify opinion leaders and media experts in the field of health. The system, which uses text mining technology, was tested on the topic of obesity and found experts with an accuracy of about 90%. It also identified non-scientific experts who support a particular cause.
Multituberculates, rodent-like creatures, developed complex back teeth for crushing plant material, allowing them to thrive after dinosaur extinction, while sharper front teeth became less prominent.
A new study from Rice University and the University of Colorado found that economic growth in developing nations can lead to increased obesity among lower socio-economic status individuals. This is attributed to different cultural values and norms, with being large considered a status symbol in developing countries.
A study published in the journal Menopause found that menopause is associated with certain types of memory deficits, particularly those related to working memory and sustaining attention. The study's findings validate women's experiences of 'brain fog' during this phase of life.
Scientists have found highly similar signaling centers in the acorn worm that direct the formation of its embryonic body plan. This discovery provides unexpected insight into the evolution of vertebrate development and genetics, revealing complex mechanisms for establishing body plans in distant relatives.
Researchers found that walking briskly for an hour a day can reduce the genetic influence towards obesity by half. In contrast, watching TV for four hours a day increases the genetic influence by 50 percent.
Researchers found that ex-prisoners often relapse into drug use due to poor social support, economic challenges, and readily available drugs. However, 'protective' factors like structured treatment programs, spirituality, self-help groups, and family can strengthen them against relapse.
A scale measuring harm risk from invasive research placebos was successfully tested by 43 independent clinicians. Agreement varied among assessors, with those in academic posts showing higher scores.
A new method of monitoring protein molecules using gold nanoparticles has been developed by scientists at Johannes Gutenberg University Mainz. The technique allows for the detection of individual unlabeled proteins, providing insights into molecular processes and dynamics.
Muscle cells have efficient systems to seal holes in their plasma membranes. Researchers at KIT and Heidelberg University observed membrane repair in real-time using a novel imaging method. They found that membrane vesicles form a repair patch, which is sealed off from the extracellular environment.
African farmers inaccurately perceive changes in climate and rainfall, highlighting the need for better climate information to improve farming practices. Researchers found variable precipitation concerns and changing seasonal patterns among survey respondents.
A parent's weight change is the most important predictor of a child's weight loss in family-based treatment of childhood obesity. Parents can help their obese child lose weight by losing weight themselves and making changes to their home food environment.
A new research survey found that the Bangladeshi community in NYC experiences significant barriers to diabetes care, including low English proficiency and limited awareness. The study also showed a high willingness among respondents to participate in community health programs for prevention and care.
A new test developed by Pacific Northwest National Laboratory uses impurity profiling to trace the source of nerve agents used in terrorist attacks. Up to 88% of impurities in source chemicals can wind up in the finished product, making them unique like a fingerprint.
Tropical Storm Lua formed in the Indian Ocean off Australia's northwestern coast, causing moderate rainfall and strong thunderstorms. The storm prompted a Cyclone Watch from Cape Leveque to Mardie, Western Australia, and is expected to strengthen into a cyclone before landfall.
An NIH study found that tobacco control programs and policies have prevented over 795,000 lung cancer deaths in the US from 1975 through 2000. Further reductions are possible with continued and enhanced efforts.
Scientists have attributed early grape ripening in wine grapes to climate warming and soil water content declines. The study reveals that management factors also influence the shift, providing opportunities for growers to develop adaptation strategies. Human-induced climate change is a key driver of this trend.
Researchers have identified genetic abnormalities that help doctors predict patient prognoses and guide treatment decisions for AML. The study shows that nearly two-thirds of patients can be categorized into clear prognostic groups, leading to improved treatment outcomes.
Smartphones can be used to track symptoms and deliver real-time interventions for people with schizophrenia, according to Dartmouth College research. A survey of 1,600 individuals found that 70% had cellphones and used them frequently.
Researchers found an association between H. pylori bacteria and elevated levels of glycosylated hemoglobin (HbA1c), a biomarker for blood glucose levels and diabetes. Obesity was a significant risk factor, suggesting the bacteria may play a role in developing diabetes in adults.
A new study of three diets with obese children shows that all diets are effective in managing weight. The reduced glycemic load diet may be the most promising approach for pediatric weight management.
Dow and DuPont are developing high-oleic oils that can replace partially hydrogenated oils in fried foods, reducing trans fat content and increasing heart health. These new oils are expected to result in a 40% cost savings for the food industry.
Scientists from Stanford University and SLAC National Accelerator Laboratory have created a system of 'designer electrons' with unique properties. By tuning the fundamental behavior of electrons, researchers can create exotic variants of ordinary electrons that may lead to new types of materials and devices.
A new report estimates that broader screening for hepatitis C virus (HCV) would be cost-effective in reducing mortality and morbidity. The study recommends a one-time screening for all adults between 20 and 69 years old to identify those infected with the virus, which affects 4 million U.S. residents.
Researchers found iron oxides remove one fifth of organic carbon deposited on ocean floor, trapping it and removing CO2 from atmosphere. Decrease in dissolved oxygen levels threatens coastal ecosystems' ability to extract carbon dioxide.
New research suggests nearly four million Americans, covering an area larger than Maryland, are at risk of severe flooding due to rising sea levels. The US Government's current flood zones may not be stable with predicted sea level rise, and many locations will experience high flooding every decade or more often.
In 2012, areas usually covered in snow are bare due to La Niña conditions and a strong Arctic Oscillation. The resulting snow cover is significantly lower than in 2011, with the Great Lakes, Rocky Mountains, and East Coast experiencing less snow.
A meta-analysis of 102 studies found that female sex workers in low-income and middle-income countries have an overall HIV prevalence of 12%, with a 14 times increased risk of infection compared to the general female population. The region with the highest risk was Asia, where the risk was 29 times increased.
Researchers at CU-Boulder and NIST used X-ray lasers to study magnetism in nickel and iron atoms, finding that each metal behaves differently. The findings could lead to optimized optical energy delivery for hard drive performance.
A qualitative study of new mothers found that the ideal of exclusive breastfeeding for six months can be unhelpful and difficult to achieve. The study suggests that more realistic and incremental goals should be set, with a focus on emotional support and family-centered care. Healthcare professionals are advised to adopt a proactive ap...
A study published in PLOS ONE found that crocodilians possess a remarkable capacity for generating force through their bites. The researchers measured bite forces and tooth pressures for 23 species of crocodilians, with saltwater crocodiles displaying the strongest bite force at over 3,700 pounds.
The Brazilian Navy faced its worst enemy in WWI - the Spanish flu, resulting in over 100 soldier deaths. The research sheds light on the factors contributing to this tragic event, including weakened respiratory systems and lack of immunity.
Researchers found that sleep-deprived individuals consumed an average of 549 additional calories per day, while leptin levels increased and ghrelin decreased. This study suggests that sleep deprivation may be a preventable cause of weight gain and obesity.
The Bill & Melinda Gates Foundation grants Aeras up to $220 million to develop safe and effective TB vaccines amid rising drug-resistant strains. The funding aims to accelerate global efforts to eliminate the airborne threat.
A study published in Neurology found that women with mild retinopathy had lower scores on cognitive tests and more brain damage than those without the condition. The researchers suggest that eye screening could be a simple way to identify people at risk of brain health issues.
A study found that young adolescents exposed to smoking in movies are at a greater risk of smoking compared to older peers. Early exposure to smoking depicted in movies is associated with an increased risk of becoming established smokers.
Researchers at Florida State University have developed a new technology that miniaturizes the drug-discovery process, making it significantly cheaper. This innovation could lead to personalized chemotherapy treatments and increased access to high-quality healthcare.
A new study found that individuals motivated to actively change bad habits are more likely to make impulsive decisions that undermine their long-term goals. In contrast, those primed with words suggesting inaction found it easier to avoid such decisions.
Researchers have designed a new partograph to assess labor progress and potentially reduce unnecessary cesarean sections. The tool takes into account the complexity of labor and aims to improve birth outcomes for low-risk first-time mothers.
A combined therapy of Epiduo Gel containing adapalene and benzoyl peroxide with doxycycline proved more effective in reducing acne lesions compared to other regimens. Patients who received this treatment experienced significant improvement, with 50% reporting nearly clear or cleared acne.
Researchers identified brain mechanisms linking visual appeal of food to nutritional reward. Participants rated tastes as more pleasant when preceded by images of high-calorie foods like pizza or pastry.
Researchers used Chandra X-ray Observatory and other telescopes to map dark matter in galaxy cluster Abell 383. The study found a stretched-out, football-like shape of dark matter, with the point aligned close to the line of sight. The results challenge standard models and suggest further research is needed to resolve the discrepancy.
A salt-tolerant variety of durum wheat has been developed using traditional crop breeding techniques, delivering increased yields on salty soils. The research introduces a salt-tolerant gene into commercial wheat, providing farmers with an alternative for growing premium wheat in saline paddocks.
Researchers at RIKEN successfully developed a new experimental technique for producing cells with specific functions by reconstructing transcriptional regulatory networks. This technique enables faster and more efficient production of functional cells for cancer therapy and other applications.
Researchers used radio and infrared telescopes to study a giant cloud about 770 light-years from Earth, discovering a 'pristine' clump of gas that may be on the verge of forming dense cores. The observations reveal previously unseen substructures within the clump that could lead to the formation of ten new stars.
Researchers used the Cardiochip gene analysis tool to investigate a specific gene variant linked to inflammation and heart disease. They found that an existing anti-inflammatory drug may offer a new potential approach for preventing CHD by targeting the interleukin-6 receptor.
A highly targeted bactericidal protein against the life-threatening foodborne E. coli O104 strain was rapidly created, demonstrating its ability to specifically bind and kill tested E. coli strains that produce the O104 lipopolysaccharide antigen.
Researchers at Rockefeller University discovered that the influenza A virus's NS1 protein hijacks key regulators of antiviral gene function by mimicking a core component of gene regulating machinery. This finding suggests a possible target for new antiviral and anti-inflammatory drugs.
Researchers have developed a personalized immune mouse that can recreate an individual's immune system, allowing for unprecedented analysis of abnormalities contributing to type 1 diabetes and other autoimmune diseases. This model has the potential to develop individualized immunotherapies against cancer and infection.
A UCI-led study reveals how Salmonella thrives in the digestive tract despite the immune system's best efforts to destroy it. The findings highlight a novel molecular mechanism allowing the bacteria to acquire zinc and promote its growth.
A new assessment reveals large areas in Europe and Africa with insufficient freshwater resources, exacerbating water scarcity issues. The report emphasizes the need for improved water management and forecasting to address future challenges.
A new study has failed to replicate a controversial experiment suggesting the existence of precognition, thereby debunking claims of psychic ability. The researchers, led by Stuart Ritchie, found no statistically significant effects in their attempts to replicate the results.
Researchers at the University of Kentucky have identified a key protein interaction that promotes metastasis in triple-negative breast cancer. Snail interacts with G9a to suppress E-cadherin expression, which is critical for cell adhesion and preventing tumor spread.
Scientists discover new leopard frog species in New York City's Staten Island ponds and marshes, identified through DNA analysis. The unusual species has a distinct genetic lineage, separate from other leopard frog species in the region.
A two-year Duke University study found that over half of patients had experienced sexual or physical abuse in their lifetime, leading to worse medical outcomes and poorer health-related behaviors. Childhood trauma was also associated with instances of unprotected sex, missing antiretroviral medications, and recent emergency room visits.
The US GEOTRACES initiative will conduct a grand-scale, coordinated experiment in the Arctic Ocean to better understand climate change impacts on ecosystems and geochemical cycles. The project aims to establish a baseline for future measurements and inform feedback mechanisms for Arctic change.
Goblet cells, previously thought to only secrete mucus, have been found to chaperone food antigens in the intestine, connecting them to dendritic cells. This discovery provides new insights into intestinal immunity and potential targets for therapies against inflammatory bowel disease, celiac disease, and food allergies.
The number of US deaths from gastroenteritis increased by 10,000 over eight years, with adults over 65 accounting for most deaths. C. difficile and norovirus were the top infectious causes, with a five-fold increase in C. difficile deaths.
A study of over 6,600 US mothers found that giving birth to unusually small infants doubles the risk of ischemic heart disease. The correlation was independent of other factors, suggesting that such pregnancies may induce cardiovascular changes and be an early risk factor for heart disease.
Researchers sequenced DNA from cancer cells in patients with myelodysplastic syndromes who later developed leukemia, finding that the disease is an early form of cancer. The study suggests that targeted cancer drugs should be aimed at mutations that develop early in the disease.
Spanish scientists have confirmed a clear relationship between androgenetic alopecia and benign prostate hyperplasia, with men experiencing premature baldness at higher risk for BPH. The study, published in the Journal of the American Academy of Dermatology, found an association between hormone levels and prostate volume.
The discovery of fossils from two caves in south-west China reveals a previously unknown Stone Age people with unusual anatomical features. Dated to 14,500-11,500 years old, these individuals may represent a previously unknown species or early migration of modern humans out of Africa.
Researchers found significant health and ecosystem implications from coal-tar-based sealcoats, which release PAHs detrimental to human and ecosystem health. The study recommends avoiding coal-tar-based sealcoats in favor of asphalt-based ones or no sealcoat at all.
Two new NASA LRO videos reveal the moon's evolutionary history, exploring how it came to appear today. The 'Evolution of the Moon' video explains the moon's formation from a giant ball of magma and its subsequent impact that formed the South Pole-Aitken Basin.
Researchers have discovered that Japanese honeybees use a novel defense mechanism when threatened by Asian giant hornets, creating a 'hot defensive bee ball' to cook the hornet. This behavior differs from European honeybees and is associated with increased neural activity in higher brain centers.
A recent study by the Norwegian Institute of Public Health found that silver nanoparticles can suppress cellular growth and multiplication, causing cell death depending on concentration and duration of exposure. Titanium dioxide nanoparticles also caused DNA damage but with weaker effects.
The study reveals that silicon-carbon nanocomposite electrodes can withstand repeated use and charging cycles without significant degradation. The electrodes' expansion and contraction caused by lithium ion flow are more even and less prone to imperfections, leading to improved battery performance and potential for longer lifetimes.
Researchers found gene mutations in DNMT3A and NPM1, as well as translocations, associated with improved patient outcomes when treated with higher doses of daunorubicin chemotherapy. This discovery could help physicians tailor treatment plans for individual patients.
A scientific team reports that a 'balanced harvest' can achieve productive fisheries while conserving environmental factors, according to the journal Science paper. This approach maximizes production and minimizes ecological effects by targeting multiple species and sizes.
University of Michigan researchers lead a longitudinal study on concussions and sports, aiming to create unprecedented data on brain health. The study will follow athletes through their lifetime, monitoring the long-term effects of head injuries.
Researchers analyzed fatty acid composition and DNA analysis to identify the source of US-grown pine nuts. Most samples found to be mixtures of different species, but combining these methods didn't definitively link to 'pine mouth',
A study published in JAMA found that the number of stroke victims transported via ambulance has remained relatively static over the years, emphasizing the importance of recognizing stroke symptoms and calling 911. Early treatment is possible with effective drugs and surgeries that can minimize brain damage from a stroke.
Princeton scientists have identified unique neural activity sequences in the brain's posterior parietal cortex that help form short-term memories used for decision-making. These sequences correspond to whether a mouse turns left or right in a maze, allowing researchers to predict its future actions.
Researchers call for ob-gyns to evaluate patients' exposure to environmental chemicals, provide education, and advocate for policy change to reduce toxic exposures. The human reproductive system is vulnerable to biological changes caused by chemicals during critical periods of development.