A study found that damage to sperm DNA significantly increases with age, particularly in men over 45 years old, affecting their fertility potential. Researchers highlight the importance of assessing DNA damage in older men seeking fertility treatment.
Researchers have developed artificial sensory hair systems inspired by crickets' cerci, which can detect low-frequency sound with high sensitivity and directivity. The artificial hairs are energy-efficient and show potential applications in various fields such as sensor networks and aerodynamics.
Researchers have made advances in nuclear medicine, providing alternatives to traditional chemotherapy treatment for non-Hodgkin's lymphoma patients. The new treatments showed improved response rates and durations, exceeding those following chemotherapy, and offer a personalized dose option.
A study by Carla Cesaroni found that 10-15% of incarcerated male youth experience stress in custody due to vulnerabilities and institutional factors. Institutions can play a critical role in fostering a pro-social environment and improving rehabilitation outcomes.
Researchers developed mathematical model to estimate probability of drug-resistant mutant cells and identify optimal combination of three drugs. The model suggests a 'cocktail' approach is needed to reduce treatment failure rates, improving outcomes for patients with CML.
Athanasiou receives the inaugural award from ASME for his groundbreaking research and mentorship in bioengineering. He has published over 150 papers, holds 25 patents, and founded three companies with FDA-approved products.
A large study comparing thalidomide and traditional chemotherapy in multiple myeloma patients found that thalidomide was more effective, with 76% of patients achieving at least partial remission. The treatment also had fewer side effects, particularly deep vein thrombosis compared to granulocytopenia.
Researchers discovered a virus-like bacteriophage inserted into genetic material of hyperinvasive N. meningitidis strains, making them more likely to cause disease. The stowaway may help bacteria enter bloodstream, disrupting immune response.
Researchers at Arizona State University have created unique arrays of proteins tethered onto self-assembled DNA nanostructures. By controlling the exact position and location of chemical bases within a synthetic replica of DNA, a novel approach to attaching biomolecules has been achieved.
Researchers from Munich discovered that sequential FDG-PET can identify responding tumors after just one cycle of chemotherapy, allowing for earlier assessment of treatment efficacy. This could lead to more accurate individualized treatment and improved patient outcomes.
Researchers found that bumblebees choose flowers based on the choices of other bees, especially when encountering unfamiliar plant species. This behavior suggests an efficient shortcut to success, and provides new insights into the complexity of insect foraging behavior.
Researchers found a correlation between delusion strength and 'world motion' perception in schizophrenia patients. This supports the view that delusions may be caused by an inability to attribute agency to sensory experiences.
The book, Studying Teacher Education, examines the links between teacher preparation and student learning, highlighting key findings such as a correlation between math study and high school pupils' math learning. AERA suggests expanding research on teacher quality beyond standardized test scores.
A study found that prednisolone significantly reduces uNK cell numbers in the endometrium, potentially offering new hope for women with recurrent miscarriages. The treatment's effectiveness is still unclear, as it was only tested for three weeks and longer-term results are needed.
The Cleveland Clinic Health System has implemented a mobile PET/CT unit, providing on-site cancer diagnosis to patients in need. The cooperative efforts of all involved hospitals have made the service a successful operation.
Researchers identified a unique genetic pattern in 8 women over 45 who conceived spontaneously, involved in apoptosis and DNA repair mechanisms. This genetic predisposition may help protect against age-related ovary damage, allowing some women to remain fertile until menopause.
A recent study found that caffeine intake can significantly affect myocardial uptake on PET/CT scans, making it harder to detect lesions near the heart. Researchers recommend avoiding caffeine and exercise before imaging to ensure a clear view of the body.
Researchers have successfully applied a novel PET/CT technique to characterize the effects of a gene therapy intervention in animal models, demonstrating its potential for improving cardiac health. The study showed that successful transfer of a VEGF gene resulted in increased tissue perfusion without impairing cardiac function.
The number of new melanoma cases in the US increased 60% from 1988-1991 to 1996-1999, with thick melanomas primarily composed of nodular subtype. The study suggests that current early-detection educational programs may not be effective for detecting this aggressive type of melanoma.
A new study by Cornell University finds that acting violently can be protective against the effects of community violence among adolescent males, but not females. The research suggests that exposure to community violence is a widespread risk factor for emotional and behavioral problems.
A recent study by the European Society of Human Reproduction and Embryology found that while Beckwith-Widermann syndrome had a significant risk for children conceived through ART, no significantly higher rates of other disorders were observed in children born after ART apart from BWS. The researchers also identified a possible mechanis...
Biblical scholarship must move beyond 'reverential antiquarianism' to make meaningful connections with modern society. Professor Bradley McLean argues that classical and biblical studies are using outdated approaches, resulting in limited funding and public interest.
Researchers have developed a new method to obtain embryonic stem cells from early-stage embryos, potentially reducing embryo wastage. The technique was successful in mice and shows promise for human application.
A recent study published in the Journal of Nutrition found that individuals with elevated C-reactive protein (CRP) levels cannot lower their LDL-cholesterol numbers with a Step 1 diet, even when soy protein is added. The study suggests that habitual consumption of a Step 1 diet may be beneficial for those with low CRP levels but delete...
Researchers investigated 24 mangrove sites in Sri Lanka and found that mangroves offered protection from tsunami waves, but pre-tsunami degradation had a profound impact on damage. The study highlights the urgent need for early warning systems for mangrove degradation to save human lives and property.
A new topical pain cream has been shown to decrease pain during IV cannulation and even facilitate the procedure, leading to improved outcomes for children. The study, conducted at Sick Kids Hospital in Toronto, found that 74% of children who received the cream successfully had their IV inserted on first attempt.
Caffeine can increase heart activity, making it harder to see cancerous lesions on scans. Patients who consumed coffee before scans had higher myocardial uptake than those with low or no caffeine intake.
A study published in the Canadian Medical Association Journal found that levels of ischemia-modified albumin provided no useful information in predicting which patients with potential acute coronary syndrome would experience serious cardiac outcomes. The analysis suggests that prognosis may precede diagnosis in these cases.
Scientists at Sanford Burnham Prebys Institute have identified three lead compounds that inhibit anthrax lethal factor (LF) with high potency and selectivity. The compounds, when combined with antibiotics like Ciprofloxacin, showed a two-fold increase in survival rate for mice infected with anthrax spores.
A recent study published in The Lancet Oncology has found that keyhole surgery is a safe and effective option for treating colon cancer. Patients who underwent keyhole surgery had less blood loss, shorter hospital stays, and faster recovery times compared to those who received open surgery.
A study found that 46% of children with type 2 diabetes have a history of neuropsychiatric disease, highlighting the need for screening and scrutiny of medications. The researchers suggest that depression and other neuropsychiatric conditions may contribute to the development of type 2 diabetes.
A study found that smoking parents had a higher rate of disease-producing bacteria in their children compared to non-smoking parents. Bacterial interference against these pathogens was also less common in smoking parents' children.
Researchers at MIT have developed a novel approach to creating vascularized muscle tissue using a tri-culture scaffold composed of myoblasts, endothelial cells, and fibroblasts. The resulting implants showed improved integration with the host tissues and functioned in living mice and rats.
Researchers discovered that some abnormal embryos can self-correct in laboratory culture, producing high-quality stem cells. This breakthrough offers an alternative to creating embryos specifically for stem cell research, potentially resolving ethical concerns.
Physicians performing independent medical examinations (IMEs) still owe legal duties to patients, even without traditional relationships. The U.S. health care provider market is a key factor in rising health care costs, with strong market power driving high prices and quantity of medical services.
Kishore, a Lehigh University engineer, received the PECASE Award for developing an outreach program to provide wireless internet access to Susquehanna County. Her work focuses on designing optimal wireless communication infrastructure for rural areas with limited connectivity.
Researchers have made history by cloning human embryos using matured lab-grown eggs and non-autologous nuclear transfer. Eighteen out of 25 in vitro matured oocytes survived the process, with 11 developing into pronuclei.
A recent study found that patients with complete revascularization have significantly better long-term outcomes and a 70% lower chance of death within five years. The study also suggests using arterial grafts instead of veins for improved patient survival.
Researchers at Stanford University have found a connection between aging, infection, and leukemia in blood-forming stem cells. These cells were found to produce fewer immune cells and turn on cancer-causing genes, contributing to the development of certain types of leukemia.
Reproductive tourism in Europe allows for diverse ethical and religious views to coexist peacefully. The existing diversity in fertility laws enables people to seek treatment abroad, promoting personal freedom and democratic decision-making.
Researchers explore whether male fireflies' flashing lights have evolved to provide uninformative cues about male quality. They also examine the energy required for these displays and its potential impact on human communication.
A new study published in the Journal of Trauma found that pregnant women are at a higher risk of injury during the summer months due to common activities. The study, led by Dr. Donald Redelmeier, looked at data from Canadian hospitals between 1994 and 2001 and found a 12% increase in trauma cases during the summer.
Researchers from Virginia Tech's Freshwater Mussel Conservation Center have released several thousand cultivated mussels into the Clinch River as part of a replenishing project. The release aims to restore water quality and support aquatic life after a toxic spill in 1998 killed most aquatic life on that stretch of the river.
David M. Goldenberg, a pioneer in radiolabeled antibodies, has received the Society of Nuclear Medicine's 2005 Paul C. Aebersold Award. He has developed antibodies for various cancer types and therapies, making significant contributions to nuclear medicine.
Larson, a leading expert in targeted radiotherapy and molecular imaging, has made significant contributions to the advancement of positron emission tomography (PET) as a clinical tool for oncology. His research has led to novel findings in cancer understanding and treatment.
David James Brooks, a pioneer in applying PET to movement disorders, received the Kuhl-Lassen Award for his groundbreaking research on Parkinson's and related disorders. His work has improved understanding of disease progression, diagnosis, and therapeutics.
Researchers at USC College of Letters, Arts and Sciences have found a link between early exposure to inflammatory diseases like gum disease and an increased risk of Alzheimer's. The study, which analyzed data from the Swedish Twin Registry, suggests that chronic gum disease may be a preventable risk factor for Alzheimer's, adding to th...
Researchers have successfully derived human embryonic stem cells that can develop into primordial germ cells, which eventually form eggs and sperm. This breakthrough may help solve infertility issues and study the effects of environmental chemicals on reproductive development. Further work is needed to translate this promise into reality.
A new computer program, HipMask, uses brain scans to predict future Alzheimer's disease, offering a possible tool for early screening. The technique measures metabolic activity in the hippocampus, which diminishes in size as Alzheimer's progresses.
Research suggests that CEO compensation provides the right incentives for managers to focus on maximizing corporate wealth. The level of CEO compensation has changed over the past decade, with options becoming a dominant component of pay. This change is driven by the need to recruit and retain talented CEOs in complex organizations.
Researchers analyze data from the 2003 Northern Ireland Life and Times Survey to examine the relationship between in-group pride and out-group prejudice. They find that Catholics are less likely to feel proud of the Union flag, while Protestants tend to identify more strongly with their religious group.
Researchers used a non-invasive MRI technique to distinguish between Alzheimer's disease and frontotemporal dementia. The study successfully differentiated between the two conditions using arterial spin labeling, which measures blood flow in the brain.
Researchers use geophones to estimate elephant numbers by detecting footfalls, providing a more accurate and time-efficient method than counting dung balls or aerial censuses. The new technique has the potential to improve conservation management and reserve planning in central Africa.
Research by Stephen McKay reveals a link between individuals' satisfaction with their household income and outstanding credit commitments. Those expressing the least satisfaction tend to believe repayments are a burden, while those with higher incomes are less likely to feel this way.
Golfers who cope well under stress maintain a positive mindset, use self-talk, and focus on the next shot. Ineffective coping involves trying too hard, speeding up, or changing routines. Golfers at all levels need to practice mental skills to improve performance.
The article highlights how government policy on alcohol is influenced by the night-time economy and jobs it generates, rather than careful data analysis. Binge drinkers are portrayed as folk devils, associated with noise, disorder, and violence, and are often linked to young people drunk in public places.
The Burnham Institute will screen 2 million compounds against 20 disease targets per year, revealing specific compounds that interact with and inhibit disease-causing proteins. The new capabilities will accelerate the discovery of novel medicines for various diseases.
High-volume surgeons and hospitals are associated with significantly better cancer outcomes, particularly for complex surgeries. While the reasons behind this correlation remain unclear, it supports the centralization of oncology services to improve patient care.
Researchers found that neutral grasslands recover faster than chalk grasslands, which take at least 50 years to re-establish. Soil compaction and vehicle damage contribute to the long-lasting damage, highlighting the need for effective control measures to manage these areas.
A new study suggests that intense light exposure in photovoltaic material a-Si:H leads to undesirable defects by creating silicon dihydride structures. Researchers propose potential solutions, such as adding impurities to block the issue, which could improve solar cell performance and efficiency.