A recent study found that early detection of second breast cancers in women who have already had the disease can significantly improve their chances of survival. The research revealed that mammography was more sensitive than clinical examination for detecting second cancers, with a sensitivity of 86%. Early detection at an asymptomatic...
A study of 900,000 adults found that a body-mass index above the ideal range of 22.5-25 kg/m2 leads to increased mortality rates. Moderate obesity has only one-third the effect on mortality as smoking, while severe obesity has a similar impact but is relatively rare.
Researchers at Singapore's Genome Institute of Singapore and the US have identified microRNA-125b as a novel regulator of the p53 tumor suppressor gene. The study found that this microRNA keeps p53 levels low during embryonic development, but allows for an increase in p53 to prevent tumor formation if DNA is damaged. Elevated levels of...
Researchers discover that opera fans learn to appreciate the art form by forming emotional connections and decoding its meaning. Through social interaction and personal experience, fans develop a deeper understanding of opera's nuances, ultimately becoming passionate advocates for the art.
Dr. Cun-Yu Wang is recognized for his groundbreaking research in cancer therapy and oral health, with a focus on molecular signaling, inflammation, and adult human stem cells. He joins an elite group of scientists honored by IADR for their contributions to advancing oral health knowledge worldwide.
Researchers found diatoms in freshwater and marine environments have distinct size patterns due to nutrient availability, with larger sizes thriving in oceans. Climate change could alter mixing depths and nutrient delivery, potentially reducing carbon sequestration efficiency.
Scientists use Autosub, a robot submarine, to map the seabed and underside of Pine Island Glacier in Antarctica. The mission aims to understand why the glacier is thinning and accelerating over recent decades.
Dr. Jane Weintraub, a renowned oral epidemiologist, has been selected as the recipient of the International Association for Dental Research's H. Trendley Dean Memorial Award. She is being recognized for her groundbreaking research on children's oral health disparities and its impact on public health.
A new study by the University of Pennsylvania School of Medicine finds that many Americans face challenges accessing specialized medical care during time-sensitive emergencies. Hospitals in rural areas often lack resources, including staff and equipment, to provide adequate care.
A study found that imaging exams on pregnant women have more than doubled, with CT scans increasing by 25.3% annually due to growing radiation exposure concerns. The researchers evaluated 5,270 examinations and estimated fetal radiation exposure, highlighting the need for alternative imaging tests like MRI and ultrasound.
A recent report by Professor David Spiegelhalter suggests that London's murder numbers follow a predictable pattern, with certain aspects being statistically expected. The study found that the number of murders in London is not unusually high and has remained stable over the past five years.
Researchers found that cetuximab's success in treating non-small cell lung cancer depends on the production of a specific protein called u-PAR. Higher levels of u-PAR indicate reduced responsiveness to the treatment, suggesting it could be used as a biomarker.
Scientists have discovered more support for the idea that amino acids created in space contributed to the origin of left-handed based protein life on Earth. The research found a pattern of excess left-handed isovaline in meteorites, which suggests that water played a role in its creation.
Dr. Graeme Hunter, a renowned dental researcher, has received the 2009 Biological Mineralization Award from the International Association for Dental Research (IADR). His work focuses on the physical biochemistry of biomineralization, with significant contributions to understanding mineralized tissues and pathological calcifications.
Scientists report significant progress in developing new wheat varieties resistant to virulent stem rust Ug99, which threatens global wheat production. The mutated fungus is on the march towards South Asia, where poor subsistence growers produce a significant portion of the world's wheat.
A researcher at Northwestern University has developed a new oral vaccine using probiotics that induces a powerful immune response, protecting against diseases such as anthrax and breast cancer. The vaccine harnesses the body's primary immune force in the small intestine, bypassing traditional injection methods.
Dr. Philippe Hujoel, a professor at the University of Washington School of Dentistry, is recognized for his outstanding achievements in behavioral science and health services research. He has published over 70 peer-reviewed papers on periodontal disease processes and oral-healthrelated quality of life.
The European Association of Urology has released new clinical guidelines for kidney cancer treatment, emphasizing the use of targeted agents and nephron-sparing surgery. The guidelines recommend first-line therapies for low- and intermediate-risk patients, as well as second-line options for high-risk patients.
Researchers at Dana-Farber Cancer Institute found that patients who draw on religion to cope with their illness are more likely to receive intensive, life-prolonging medical care as death approaches. This study suggests that physicians tend to comply with religious patients' wishes for more aggressive care.
Professor Alessandro Riva, a leading expert in human exocrine glands, has made significant contributions to the understanding of salivary gland structure and function. He established benchmarks for the field through his published work, which includes numerous original observations and unique methods.
The Burkholderia cepacia complex's ability to produce exopolysaccharide slime complicates cystic fibrosis treatment, as it can form biofilms that protect bacteria against antibiotics and natural defenses. This superbug's potential for causing serious infections may have been underestimated due to its lab-grown behavior.
Dr. Pamela DenBesten, UCSF professor and chair of Pediatric Dentistry, is recognized for her significant contributions to pulp biology and regeneration research. Her studies on the role of matrix molecules in cellular signaling have highlighted key bio-active molecules in regenerative events.
Rice University scientists developed a computerized method to test flu vaccine efficacy against multiple strains, outperforming existing tests. The new approach may help create more effective vaccines for both seasonal and bird flu, improving global preparedness.
A recent study by the University of Bath found that strict labor market regulation is associated with higher unemployment rates worldwide. The research analyzed data from 73 countries and discovered that relaxed regulations could have reduced unemployment in Italy by up to 5.6 percentage points among young people.
A study published in JAMA found that pactimibe did not slow the progression of atherosclerosis in patients with familial hypercholesterolemia, but was associated with increased cardiovascular events. The treatment also led to significant increases in low-density lipoprotein cholesterol levels.
The find pushes back the origins of modern octopus by tens of millions of years, revealing a more primitive ancestor with fleshy fins. The fossils are remarkably well-preserved, showing similar characteristics to living species, providing valuable evolutionary information.
Researchers at Stevens Institute of Technology have made significant breakthroughs in free-space optical communication by demonstrating a unique atmospheric effect called scavenging, which improves the system's performance in adverse weather conditions. The study shows that mid-infrared QCL systems can deliver up to 300% greater throug...
The five-year grant will enable the researcher to further explore how inhibitory components influence sound localization circuitry in vertebrate systems. The study aims to develop a mechanistic understanding of sound localization circuitry that can contribute to clinical applications, such as improving cochlear implants.
A new study published in PLOS ONE found that the adult-to-young ratio plays a critical role in the social development of horses. The research revealed that groups with low adult-to-young ratios had younger horses exhibiting more aggression and forming tighter bonds with each other, potentially reducing their interaction with adults.
Researchers found that those with greater romantic love reported higher satisfaction and happiness in both short- and long-term relationships. Companion-like love was only moderately associated with satisfaction. Feeling secure in a partner's presence is key to maintaining romantic love.
A joint study from Helmholtz-Centre and immunologists found that flu infection facilitates and intensifies pneumonia bacteria infections. Researchers discovered that lack of immune cells does not cause increased susceptibility to superinfections.
CO2 GeoNet, Europe's Network of Excellence, presents five years of research and development on geological carbon dioxide storage. The network aims to accelerate CCS deployment and build confidence in various CO2 storage technologies.
A mechanical engineer at Washington University in St. Louis has developed techniques to reduce vehicle drag using active flow control technology, resulting in a 15-18% reduction in fuel consumption. The technology is being researched by airplane and automobile companies worldwide to play an important role in fuel conservation.
A new study suggests that over-dramatized fish health benefits put pressure on wild fish stocks, threatening food security in developing nations. The research highlights the need for sustainable seafood consumption and warns against 'triaging' food sources without verifying their impact.
A new study by Carnegie Mellon researchers found that particulate matter in downtown Pittsburgh is more affected by major sources to the city's southeast than previously thought. The most polluted days often occur when winds are from the southeast, increasing PM levels above the National Air Quality Standard.
Research suggests that female mammals use olfactory cues to select genetically dissimilar mates for healthier offspring. Mammals may prefer males with unique scents over those with parasites or dominant traits. This line of research reveals the importance of mammalian mate choice, challenging traditional assumptions.
Scientists at the University of Montreal and Maisonneuve-Rosemont Hospital Research Centre have cloned human sperm-binding protein BSP, which may improve fertility treatments and male contraception. The researchers successfully purified the protein after decades of trying to isolate it from human sources.
A study by Dr. Jon Bohlmann at NC State University finds that project managers who treat team members with honesty, kindness, and respect see significant increases in commitment to the team's success. Another study shows that socializing with suppliers can lead to cost and quality benefits from informal social interactions.
Researchers at Whitehead Institute and National University of Singapore have discovered a microRNA, miRNA-125b, that downregulates the tumor-suppressor gene p53. This finding provides new insights into cancer development and highlights the complex regulatory mechanisms controlling critical genes.
Researchers at Rensselaer Polytechnic Institute developed slimmer copper nanorods that fuse together at 300 degrees Celsius, ideal for heat-sensitive nanoelectronics. This technique enables wafer bonding in 3-D computer chips with lower temperatures, resulting in less expensive and reliable devices.
Recent studies in epigenetics provide new understanding of how environmental factors influence brain function and behavior, potentially explaining the complex nature of mental illness. Epigenetic changes can be long-lived and influenced by life experiences, psychotropic drugs, and psychotherapy.
The medical cost of caring for one premature baby can reach nearly $50,000, exceeding the cost of caring for a dozen healthy full-term infants. This highlights the importance of preventing preterm birth and improving maternal healthcare to reduce healthcare costs and save lives.
Dr. Christopher McCulloch, a professor at the University of Toronto, is recognized for his significant contributions to understanding mechanisms regulating fibroblast cytoskeleton and collagen remodeling in periodontium.
Dr. Mo Kwan Kang has been recognized for his groundbreaking research on the senescence process in human oral keratinocytes, aiming to understand health and disease of human oral mucosa. He has authored over 30 research articles and won several major research awards.
Researchers have discovered new tumor markers that can accurately predict the course of disease and treatment response in childhood brain tumors. These markers, found in medulloblastoma DNA, can help adjust therapy intensity to reduce damage and secondary malignancies.
Researchers found that USA300 and its forefather USA500 are nearly identical in virulence and have similar levels of virulence gene production. They also discovered that alpha toxin and alpha-type phenol-soluble modulins play a crucial role in determining the severity of community-associated MRSA infection.
A research team from Singapore and London has discovered that the elephant shark, a primitive deep-sea fish, possesses three cone pigments for color vision similar to humans. The finding suggests that gene duplication played a crucial role in this process, which may provide valuable insights into human genome evolution.
A new analysis reveals that phyla with the greatest diversity of species also have the largest range of body sizes, including sponges and molluscs. The study suggests that physical limits to size constraints may prevent some body plans from having a full range of sizes.
Dr. Gregory King, a renowned researcher in craniofacial biology and orthodontics, has received the prestigious IADR Craniofacial Biology Research Award. The award recognizes his significant contributions to the field of bone biology and orthodontic tooth movement over a period of 30 years.
The USPSTF updated its guidelines to recommend aspirin use for primary prevention of heart attack and stroke in specific age and gender groups. The task force emphasizes the importance of discussing the benefits and risks of daily aspirin use with patients, particularly those between 45-79 years old.
Dr. Pamela Gehron Robey, Chief of the Craniofacial and Skeletal Diseases Branch at NIH's NIDCR, receives the award for her groundbreaking work on human bone marrow stromal cells and their application to treat craniofacial diseases.
A Florida State University researcher is conducting a five-year study to change the approach companies take when purchasing mental health care benefits. The study aims to educate employers on how to choose effective mental health care products and promote long-term value over short-term cost savings.
A study found that a rate of at least 100 steps per minute achieves moderate intensity activity, supporting a simple pedometer-based recommendation of 3000 steps in 30 minutes. The research suggests using a single and simple pedometer-based guideline for effective health communication.
Researchers at NEC Laboratories America have developed a simpler receiver to reduce costs of tomorrow's Internet. The device uses a direct-detection receiver that relies on a narrow optical carrier signal, enabling reliable detection of signals sent at 40G.
A new University of Illinois study explores differences in co-parenting relationships between abusive ex-husbands and their children. Women who experienced intimate terrorism described fear and ongoing abuse after separation, while those with situational violence reported safe co-parenting relationships.
The Madoff scandal has led to a shift away from risky investments, affecting endowment institutions and university research projects. Academic medical and bio-related research are tightening their belts as a result of the general economic situation.
A new Norwegian study suggests that HPV vaccination can prevent up to 35-128 preterm births per 100,000 births by reducing the risk of surgical treatment after cervical cell changes. The vaccine may have an important impact on preventing extremely preterm births.
Dr. Jeffrey Stansbury, a University of Colorado professor, has been awarded the IADR Wilmer Souder Award for his work on dental and biomedical polymeric materials. The award recognizes his research group's development of novel polymeric materials for various dental applications.
The Department of Energy has awarded the University of Georgia Complex Carbohydrate Research Center a four-year, $3.1 million grant to continue supporting research on complex carbohydrates in plants and microbes. The grant renewal marks the sixth time the center has received funding since its inception in 1986.
Researchers discovered an abnormality in the brains of adolescent boys with attention deficit hyperactivity disorder, particularly in the anterior cingulate cortex. This region normally activates when a reward stops, but in boys with ADHD, it fails to do so, leading to continued activation and impulsive behavior.