A new study has found that acyclovir, a common medication used to treat herpes symptoms, does not reduce the transmission of HIV. The research, conducted in seven sub-Saharan countries, suggests that frequent genital herpes recurrences can increase HIV levels in the blood and genital tract.
A study found that individuals with higher blood glucose levels tend to be more future-oriented, while those with lower glucose levels focus on the present. Fluctuations in blood sugar may affect our decisions for immediate versus delayed rewards.
Researchers have developed a new compound, EFdA, that is 60,000 times more potent than current HIV therapies and can protect cells for longer periods. This compound has the potential to be used in vaginal gels or creams as an alternative preventative strategy for women whose partners refuse to use condoms.
Scientists have modeled three hydrogen-dense metal alloys and found that superconductivity can be induced by high pressure, with transition temperatures as low as -423°F. The study suggests that the superconducting state comes from electron interaction with vibrational energy through the lattice.
A new study published in Pediatrics found that mixed-handed children are twice as likely to have difficulties with language and perform poorly in school compared to their right-handed peers. They also showed higher risk of attention deficit/hyperactivity disorder (ADHD) symptoms, especially at adolescence.
Researchers have identified a new therapeutic approach for proliferative crescentic disease, a type of advanced kidney disease associated with lupus. The study suggests targeting macrophages and growth factors involved in the disease mechanism.
Researchers from the University of Cambridge have found a way to increase glucomannan levels in plant stems without detrimental effects on plant development or cell wall strength. This discovery could lead to higher yields of fuel from crops, contributing to sustainable and economic biofuels.
Researchers have identified five cases of toilet-seat dermatitis, a skin condition that can be caused by wooden toilet seats or exposure to harsh cleaning chemicals. The study recommends using paper toilet seat covers, replacing wooden seats with plastic ones, and avoiding harsh cleaners to prevent the condition.
Men experience lower levels of guilt compared to women, particularly in interpersonal situations, with a greater prevalence of anxious-aggressive guilt among women, especially those over 40. Educational practices and socializing agents can help reduce this trend.
Researchers from The George Institute for International Health conducted a systematic survey to monitor sodium content in Australian processed foods. The study provides valuable tools for continued monitoring and reformulation efforts to lower sodium levels, ultimately reducing the risk of elevated blood pressure among Australians.
A fragmented system with inadequate data leads to ineffective foodborne illness surveillance in Canada. The lack of a national program results in reliance on surveys, making it difficult to execute meaningful interventions.
New research raises concerns that broadening NHS treatment evaluation could harm both the NHS and economy. The study found widening the analysis could require trade-offs between health impact, social concerns and economic benefits.
A new study found that when parents have access to calorie information, they make smarter choices for their children's meals. The study showed a significant reduction in calories selected by parents for their child's meal at McDonald's restaurants.
A combined chemotherapy regimen of capecitabine and oxaliplatin given before chemoradiotherapy and surgery is well tolerated and shows promising anti-tumour activity in patients with poor-risk rectal cancer. The treatment improves overall survival rates, with 68% of patients progression-free after 3 years.
A new study published in the Journal of Heredity confirms that shark pups born to virgin mothers can survive for over five years. Genetic analysis by researchers at Stony Brook University and Queen's University found that some female sharks can produce viable offspring without male sperm, a phenomenon known as parthenogenesis.
A Tel Aviv University expert reviews the links between autoimmune diseases, infections, genetics, and the environment. Environmental factors such as hairspray, lipstick, second-hand smoke, food chemicals, and UV exposure are found to trigger the onset of autoimmune diseases like rheumatoid arthritis and lupus.
Researchers at MIT and Rockefeller University have successfully grown hepatitis C virus in lab-grown liver cells, allowing for testing of new treatments. The innovation enables prolonged cell survival and reproduction, enabling scientists to study the virus's responses to different drugs.
Scientists have identified common features of super active insulins, shedding light on their molecular structure and interaction with insulin receptors. The research holds promise for developing more sophisticated treatments for Type I diabetes, potentially offering controlled or injection-free therapies.
A Rice University researcher has found a way to transfer forests of aligned carbon nanotubes from one surface to another in minutes. The technique uses water vapor to weaken chemical bonds between the tubes and the catalyst particles, allowing for precise control over the diameter of the nanotubes
A new method developed by Mayo Clinic and IBM uses analytics technology to detect brain aneurysms with a 95% accuracy rate, compared to 70% for manual interpretation. The system can identify images in 3-5 minutes, improving efficiency and saving radiologists' time.
Researchers from Purdue University and Cummins Inc. developed an advanced engine-control system to reduce biodiesel fuel consumption and emissions. The system uses closed-loop control techniques to self-adjust engine settings based on feedback from sensors, improving fuel economy while minimizing nitrogen oxide emissions.
Researchers at UC San Diego are launching a project to improve communication and data-sharing among emergency officials during disasters. The new system aims to overcome obstacles such as unreliable wireless networks, staggering arrival times of responders, and rapidly changing infrastructure capabilities.
The study found that Inuit-inhabited areas had a 2.7 times higher fetal and infant mortality rate, with higher rates of preterm birth and younger mothers, highlighting dire maternal and infant health situations.
A clinical trial shows that patients with metastatic prostate cancer who received a vaccine lived substantially longer than those who received a placebo, with a median survival time of 24.5 months compared to 16 months. The study found encouraging evidence for a clinically meaningful benefit from this vaccine approach.
Yang Cao will use the five-year grant to develop computational methods and mathematical theories to integrate various models of the cell cycle. The project aims to improve understanding of the complex process, which is linked to cancer and cardiovascular disease.
Researchers challenge conventional interpretations of genome-wide association studies, finding synthetic associations between rare and common gene variants that produce signals similar to those found in actual disease studies. This suggests that researchers may need to broaden their search to pinpoint these powerful mutations.
A new study estimates that over 125 million global pregnancies are at risk from malaria every year, representing 60% of all pregnancies globally. The study provides a reliable estimate of the numbers at risk globally and will inform policy decisions for research and control efforts.
Evolutionary theory is being applied to various medical questions, from aging and mental illnesses to cancer and antibiotic resistance. Future physicians may face tests on evolution, with increased emphasis on incorporating evolutionary concepts into medical practice.
A recent study found that young women and teenage girls are targeted by male partners attempting to sabotage birth control or coerce pregnancy, frequently associated with physical or sexual violence. The risk of unintended pregnancy doubles when women experience both reproductive coercion and partner violence.
A device created by UIC geoscientists simulates extreme sea floor conditions in a lab chamber, allowing scientists to examine samples under harsh conditions using X-ray diffraction. The device can simulate deep-sea pressure and temperatures, enabling the study of mineral formation, clay mineralogy, and hydrothermal systems.
A joint team from the University of Kansas and Northeastern University found that microraptor's four wings allowed for successful gliding. The study suggests that birds evolved flight above the ground, not as a terrestrial adaptation.
A new study finds that machine perfusion preserves donor livers as well as cold storage, reducing hospital stays and long-term complications. This technique could expand the pool of available organs for transplantation.
Researchers discovered a genetic locus in cichlids that determines left or right jaw asymmetry, providing a distinct feeding advantage. The study found that these lopsided fish develop mouths directed to the left or right, enabling them to feed on the opposite side of their prey.
A new study published by the American Psychological Association finds psychodynamic psychotherapy to be highly effective in alleviating mental health symptoms, with benefits persisting after treatment has ended. The therapy's focus on self-reflection and examining relationship patterns leads to substantial treatment benefits.
A new study by University of Virginia psychologists suggests that well-adapted youth with positive friendships will use social media to further enhance their relationships. However, teens with behavioral problems and difficulty making friends may use social media in negative ways or not at all.
A year-long study found that a low-carbohydrate diet was more effective at lowering blood pressure than the weight-loss drug orlistat. Participants in the low-carbohydrate group experienced a significant reduction in systolic blood pressure, with nearly half seeing their medication decreased or discontinued.
The study found that basic emotions are shared by all humans, with laughter being a universally recognisable sound. The researchers used a short story with different emotional sounds to test participants from Britain and Namibia.
A study challenges the prevailing belief that a key human protein linked to cancer needs a partner to function, revealing it can initiate processes on its own. The researchers used high-resolution microscopy techniques to observe proteins in living cells and found that the protein's activation rate is directly linked to its nuclear entry.
A team of University of Chicago scientists has developed a new micro-western array technology that enables the examination of hundreds of proteins simultaneously. This breakthrough may lead to more precise diagnoses and individualized treatments for cancers and other diseases.
Researchers at Dana-Farber Cancer Institute discovered a gene activity signature predicting high cancer recurrence risk in breast tumors treated with chemotherapy drugs. The study suggests that these tumors may still be vulnerable to other types of chemotherapy agents.
A study published in Nature Structural & Molecular Biology reveals that a genetic mutation disrupts an array of metabolic pathways in muscle cells by affecting two key proteins. The loss of either protein accounts for most molecular abnormalities associated with the disease, while loss of both also seems to play an important role.
Researchers at the University of Western Ontario used state-of-the-art micro-computed tomography systems to collect detailed 3D scans of bat internal anatomy. The study identified a unique bone connection that distinguishes bats using laryngeal echolocation from those using tongue clicks.
Researchers discovered that two related photoreceptor proteins found in monarch butterflies can mediate magnetoreception by an unconventional photochemical mechanism. The study provides the first genetic evidence for a vertebrate-like Cry protein functioning as a magnetoreceptor in animals.
Researchers at the University of Utah have found that natural cavities in polymers can act like mirrors in light-emitting materials, generating 'random' lasers. This discovery could lead to new applications in cancer diagnosis and other fields.
A recent study found that midwife toads living in mountain regions are highly susceptible to a serious fungal infection called chytridiomycosis, which can lead to up to 100% mortality rates. Conservationists may be able to limit the impact of the disease by ensuring tourists do not transfer it between lakes.
Researchers at the Southwest Research Institute suggest that differences in cometary impacts and melting patterns explain Ganymede and Callisto's distinct surfaces. The study reveals that Ganymede received more intense impacts, leading to deeper melting and a heavier core.
A new experiment has confirmed that a levitating magnet can create a dense plasma, a crucial step in achieving fusion reactions. The findings offer a potential new path to fusion energy, which could provide a long-term solution to the planet's energy needs without contributing to global warming.
A new study from the University of Illinois found that driving impairs language skills, including comprehension and speech production. Participants who drove while being told stories remembered only 20% of what was said to them.
Michigan State University scientists found that diverse biofuel plantings attract more beneficial insects than single crops like corn. The research suggests that biofuel policies should consider the added benefits of insect attraction to inform policy decisions.
Cyclone Magda made landfall in northern Australia, with NASA's Terra satellite capturing a clear image of the storm. The heaviest rain is located on the western half of the system, but those thunderstorms are weakening.
Recent enhancements to Autologous Chondrocyte Implantation (ACI) therapy, such as matrix-assisted ACI (MACI), show promise in repairing cartilaginous tissue. These therapies may help delay or prevent the need for total joint replacement in OA patients.
The University of Chicago has established a new center for chemical innovation to pursue research on non-equilibrium chemistry, materials growth, and reactions in liquids. The center aims to develop new ways to convert methane into synthesis gas, producing liquid fuels and hydrogen.
A new study suggests that flu can increase susceptibility to secondary bacterial super-infections, which can lead to high mortality rates. The research found a lethal synergy between the influenza virus and Haemophilus influenzae, mediated by innate immunity, and highlights the need for early antiviral and antibiotic treatment.
The Rochester Institute of Technology is using a high-tech imaging system to map the damage in Haiti and provide critical insight for recovery efforts. The system, which combines thermal imaging and LIDAR technology, is being used to detect fires, chemical spills, and surface contamination.
A recent study found that chlorophyll and chlorophyllin can reverse the effects of aflatoxin poisoning by limiting its bioavailability. The research, led by DOE/Lawrence Livermore National Laboratory scientists, suggests that consuming greens may be a way to prevent long-term exposure to carcinogenic mycotoxins.
A study at Cold Spring Harbor Laboratory has identified three molecular factors that contribute to high levels of PK-M2 in cancer cells, which promotes rapid cell proliferation and tumor growth. The researchers found that forcing a reduction in the levels of these factors could reverse the Warburg effect and restore normal metabolism.
Researchers at Karolinska Institutet have created a genetically modified mouse that can walk when exposed to blue light. The study provides insight into the neural control of locomotion and has potential implications for treating spinal cord injuries.
Two recent studies identified regions with higher than expected numbers of autism cases in California, strongly associated with higher parental education and proximity to specialty research centers. Ongoing studies exploring environmental exposures and social factors will help uncover the causes of these clustering.
A new computer algorithm developed by researchers at Argonne National Laboratory allows scientists to view nuclear fission in much finer detail than ever before. The code has already produced new scientific results through highly detailed simulations of the Zero Power Reactor experiments on powerful supercomputers.
Researchers tracked a virulent strain of MRSA using genome sequencing, shedding light on its spread between South America, Europe, and Southeast Asia. The study reveals the bacteria's evolutionary history and patient-to-patient transmission within a single hospital.