A study published in JAMA Neurology found no evidence of human-to-human transmission of AD and PD protein in cadaver-derived hGH recipients, contradicting previous concerns. The research included 34 autopsy patients and a group of c-hGH recipients, yielding no cases of AD or PD.
Researchers found that white, non-Hispanic young adults with higher serum levels of vitamin D had about half the risk of developing Type 1 diabetes than those with lower levels. The study suggests that inadequate vitamin D intake may be an important risk factor for autoimmune diseases.
The University of Leicester has discovered the remains of King Richard III using a wealth of evidence including DNA, radiocarbon dating and skeletal analysis. The skeleton was found in Leicester city centre and matches two of Richard III's maternal line relatives, confirming his identity.
A recent study found that water tubing-related injuries increased by 250% over a 19-year period, with 65+ injuries treated in U.S. emergency departments daily during summer. The most common types of injuries were sprains and strains, followed by soft tissue injuries.
A University of Oregon study finds that patients with higher levels of motivation, knowledge, and confidence in managing their health have substantially lower healthcare costs. The researchers recommend assessing patient activation scores to support more engaged patients and improve outcomes.
The NOAA report reveals that 'no-take' protections in the Tortugas Ecological Reserve have boosted fish populations and fisheries, including a resurgence of spawning mutton snapper. Commercial catches of reef fish have increased without financial losses for regional fishers.
Researchers have developed a novel therapeutic approach to treat deafness and balance impairment by injecting mice with an antisense oligonucleotide that targets a specific gene mutation. The treatment, which was tested on mice engineered to model human Usher syndrome, successfully rescues hearing and cures balance problems.
Researchers at UC San Diego will investigate factors promoting successful aging in HIV-infected adults, including resilience and biomarkers of physical and cognitive aging.
Researchers have successfully printed human embryonic stem cells using a novel valve-based technique, enabling the creation of three-dimensional tissues and structures. The breakthrough could speed up drug testing and pave the way for transplantable organs without donation.
A large study found that ABO blood type is a strong risk factor for venous blood clots. The research, published in the Canadian Medical Association Journal, also identified other genetic mutations associated with an increased risk of these conditions.
A recent study published in Annals of Internal Medicine suggests that exercising regularly earlier in life can significantly lower the risk of developing dementia later in life. Researchers analyzed data from over 19,000 adults and found a strong association between midlife fitness levels and reduced risk of all-cause dementia. Additio...
USC researchers create genetically engineered mice with CD1d molecules similar to humans to trigger natural killer T cells and potentially develop effective immunotherapies. The discovery aims to improve the efficacy of existing drugs and vaccines against human diseases.
A new survey by a University of Alberta researcher found that 99% of respondents agree the climate is changing, but disagree on causes. The study identified five distinct beliefs on climate change and found common points of interest to promote collaboration.
A team of researchers from Hellenic Centre for Marine Research used X-ray computed tomography to create detailed 3D representations of tiny animals, facilitating the study of morphology and improving taxonomy. The method enables virtual rotation, magnification, and dissection of specimens, extracting new scientific information.
Researchers found that male Eurasian Jays can share food with their female partner according to her current desire, suggesting a 'state-attribution' ability. This behavior is crucial for species living in long-term relationships and may improve mate bonding.
Researchers develop bi-functional enzyme to increase alkane output in bacteria and plants, eliminating hydrogen peroxide inhibition. The combo enzyme boosts reaction efficiency by producing oxygen, a key component required for activity.
A new Penn study found no evidence to support concerns that abnormal disease proteins are infectious and can be transmitted from one person to another. Researchers analyzed data from a cohort of patients who received human growth hormone therapy and found no cases of Alzheimer's, Parkinson's, or other neurodegenerative diseases.
Researchers have developed an experimental molecular therapy that crosses the blood-brain barrier to reverse neurological lysosomal storage disease in mice. The therapy uses a modified enzyme called IDUAe1, which penetrates the blood-brain barrier and delivers large-molecule therapeutic agents to treat brain diseases.
A systematic review assesses the reliability of global mapping of infectious diseases, finding that only a small percentage have been mapped reliably. The study suggests using novel solutions like crowdsourcing to gather data, such as analyzing Twitter messages about disease.
A study found that physical manifestations of shame in recovering alcoholics can predict relapse, with those displaying greater shame behaviors more likely to relapse and experience worsening health.
Researchers discovered a specific B lymphocyte marker that indicates the onset of cGVHD, a devastating syndrome where the patient's tissues are attacked by transplanted immune cells. This easily measured marker could help guide new therapies to mitigate or prevent cGVHD, which affects half of all bone marrow transplant procedures.
Polar bears face an imminent threat from rapid Arctic ecosystem changes, which could lead to population declines of up to 50%. Governments must develop conservation plans to mitigate the effects of climate change. The authors' study suggests that a single severe ice year could erase half of a polar bear population in a single year.
Regular sunlight exposure is linked to lower risk of developing rheumatoid arthritis in older women due to increased production of vitamin D. However, younger women who cover up with sunscreen may not experience the same protective benefits, according to a large-scale study.
Research confirms that professional string players typically possess independent FDS function in their small fingers. This suggests that proper instruction or specialized training may be beneficial for young students to address potential technique issues, rather than simply advising them to practice more.
Experts at Newcastle University have discovered a way to convert CO2 into harmless calcium or magnesium carbonate using Nickel nanoparticles. This process has the potential to significantly reduce CO2 emissions from industries such as power stations and chemical processing plants.
Researchers analyzed lake sediment to reconstruct climate patterns in Nicaragua during the Medieval Climate Anomaly and Little Ice Age. The study found that factors currently producing drier climates resulted in wetter conditions a few hundred years ago.
The conference focuses on rapidly growing fields of interest in gastrointestinal disciplines, including epithelial biology and gut microbial ecology. Scientists will explore translation of basic findings to diseases like inflammatory bowel disease and intestinal cancer.
Researchers investigate how plants sense gravity and respond to it, with a focus on genetics and the cytoskeleton's role in directing cell growth. Recent genetic studies reveal potential mechanisms for regulating actin and auxin distribution.
A recent study published in the Journal of Personality and Social Psychology reveals that men and women share a significant number of psychological traits, with most characteristics falling along a linear gradation for both genders. The authors conclude that traditional gender categories are not as rigid as stereotypes suggest.
A new study predicts that climate change will lead to significant declines in suitable climates for many bird species, requiring enhanced protection and management of key sites. Conservation efforts will need to adapt to assist birds in moving to climatically suitable areas, with some species facing relocation in extreme cases.
Researchers at Harvard's Wyss Institute used sophisticated computer modeling and biotechnology to target ROS production in E. coli, rendering the bacteria more susceptible to existing antibiotics. The study provides a promising approach to boost the global antibiotic arsenal against deadly superbugs like tuberculosis.
A new study led by Harvard School of Public Health found that sedentary TV viewing can nearly halve sperm counts, while moderate to vigorous exercise may boost them. Men who watched more than 20 hours of TV weekly had a 44% lower sperm count, while those who exercised for 15 or more hours weekly had a 73% higher sperm count.
A recent study published in PNAS reveals that DNA transcription produces mRNA and long noncoding RNA (lncRNA) pairs, which are transcribed coordinately as stem cells differentiate into other cell types. The finding could redefine our understanding of gene organization and regulation.
A phase 1 clinical trial found that high-dose Vorinostat, combined with standard chemotherapy, was effective in treating relapsed lymphomas, particularly Hodgkin and diffuse large B-cell lymphomas. The study resulted in a 70% response rate, including complete responses in some patients.
A study by University of Colorado Anschutz Medical Campus researcher Christopher Sibona found that 40% of people would avoid someone who unfriended them in real life. The factors predicting avoidance include the person's emotional response, geographical distance, and the strength of the relationship before the unfriending.
A study published in the Journal of General Internal Medicine found that patients who use a web-based risk appraisal tool are more likely to have important family history documented, leading to better cancer screening and reduced mortality. The tool may help increase communication between physicians and patients about their risk factors.
Researchers successfully measure and block a previously unstudied enzyme to stop the virus from replicating, potentially leading to a cure for patients. The breakthrough, which was aided by advances in HIV research, may lead to new hepatitis B drugs that can suppress the virus far enough to cure patients.
Scientists at Imperial College London have discovered a new way to treat Respiratory Syncytial Virus (RSV) infections in children. By boosting the accumulation of T cells and selectively attracting regulatory T cells, they aim to reduce inflammation and fight infection.
Edmund Clarke, a pioneer in Model Checking, to receive the 2013 Einstein Professorship for strengthening exchanges between Western and Chinese scientists. The program enhances training of future generations of Chinese scientists through lectures, workshops, and interactions.
Two wasp species have been recorded as parasitoids of ant-eating spiders. The parasitic behavior involves the wasps attacking and using the spider's juvenile as food for their own development. This study highlights the unique relationship between these wasp species and the ant-eating spider, Zodarion styliferum.
Researchers at ASU are collaborating with clinicians at Phoenix Children's Hospital to develop biomarkers for nervous system disorders and a personalized vaccine for malignant brain tumors. They aim to translate pre-clinical results into safe and efficient clinical studies.
A Penn study found that patients' end-of-life care preferences are heavily influenced by default options, with most preferring comfort-oriented care. The research suggests that clinicians should be aware of this phenomenon when recommending advance directives to their patients.
A study by New York University sociologist David Greenberg found no significant link between CompStat and reduced crime rates in NYC. Despite a decline in felony crimes, the analysis showed no association between misdemeanor arrests and violent or property crime rates.
A comprehensive analysis found children with autism are 5 times more likely to have feeding problems, including tantrums and severe food selectivity. The study also showed lower intake of calcium and protein, and a higher number of nutritional deficits among these children.
Red tide alerts have been added to Beach Hazards Statements by NOAA, providing public warnings for moderate or high respiratory impacts and environmental threats in southwest Florida. The new service aims to broaden awareness about harmful algal blooms and their potential impacts on human health.
Researchers found that mixing different cover crops can increase dry matter biomass by up to 25% while reducing weed suppression needs. This long-term study supports the use of legume-rye mixes for optimal results in commercial organic production systems.
The Oregon Health Insurance Experiment made a significant impact on health policy by providing critical evidence for policymakers considering Medicaid expansions. The study found that enrollment in Medicaid substantially increased health care use, reduced financial strain, and improved self-reported health and well-being.
Researchers at King's College London have developed an injection-free vaccine technique that uses dried live vaccines delivered to the skin without needles, offering a potential solution to global vaccine challenges. The technique has been shown to be effective in inducing immune responses comparable to traditional needle-based methods.
A study found that a biomarker based on brain activity in the visual cortex can predict response to scopolamine, an experimental rapid-acting antidepressant. Patients with depression showed lower visual cortex activity, which correlated with treatment response.
A new study in PNAS challenges the long-held theory that Neanderthals persisted in southern Iberia alongside modern humans. Researchers used a novel radiocarbon dating technique to date bone samples from two sites, finding that Neanderthal occupation occurred approximately 45,000 years ago, rather than later than previously thought.
Researchers at North Carolina State University found that insect grooming, particularly antennal cleaning, helps maintain sharp olfactory senses. Grooming removes both environmental pollutants and chemicals produced by insects themselves, enabling them to detect food, danger, and potential mates effectively.
Researchers found that passenger mutations can slow or halt tumor growth when they accumulate. These deleterious mutations can tip the balance in favor of their effects, leading to reduced cell fitness. The study suggests a new approach to treating cancer by enhancing the impact of these mutations.
Researchers identified seven gene variants associated with human longevity, including deletions and duplications that impact alternative splicing. These variations may provide protection against diseases, allowing individuals to live longer.
A study published in Optometry and Vision Science found high rates of vision problems in both military and civilian patients with TBI, including difficulty reading and light sensitivity. Comprehensive eye examinations are recommended following even mild traumatic brain injury.
The BARREL mission uses balloons to collect data on radiation belt particles, complementing NASA's Van Allen Probes. The team tracks particle movement and behavior, aiming to understand where radiation escapes the belts.
Low-income adults with poor mental health are more likely to engage in unhealthy behaviors such as binge drinking and smoking. The study found that symptoms of depression and anxiety, rather than unhealthy behaviors, predict later levels of these health-compromising actions.
A new map created by Japanese researchers helps identify high-rise buildings in the Osaka Basin vulnerable to long-period strong ground motions that last minutes. The map provides useful information for engineers to design earthquake-resistant buildings.
Researchers at UCLA's Pediatric Medical Home will study ways to reduce preventable hospital admissions and emergency room use among children with medically complex illness, aiming to decrease healthcare expenditures. The study will analyze root causes of preventable hospitalizations and design cost-saving strategies.
Researchers at Columbia University and Georgia Institute of Technology found that certain volatile organic gases can enhance aerosol activity, promoting cloud droplet formation. This discovery will improve climate modeling by incorporating gas-phase surfactants into cloud formation models.
Cyclone Felleng formed over the Mozambique Channel and transitioned into a cold core low pressure area, with NASA's TRMM satellite capturing its rainfall rates. The storm dissipated in the next couple of days as it moved south-southeast in the open waters of the Southern Indian Ocean.
A new study from McGill University reveals that the DCC receptor is essential for normal synaptic function and plasticity, leading to progressive degeneration of synapses and defects in memory formation. The absence of DCC leads to memory loss similar to Dr. Brenda Milner's famous subject HM.
Researchers at Stanford University School of Medicine have discovered an antibody that can inhibit the growth of gastrointestinal stromal tumor (GIST) cells resistant to other treatments. The antibody targets KIT receptor mutations, stimulating immune cells to kill rogue cells.
A new TB vaccine, MVA85A, did not offer extra protection against TB in South African infants who had already received the BCG vaccine. The vaccine induced modest immune responses, but these were insufficient to protect against the disease. Further research is needed to understand why this was the case.
Climate change affects human health, prompting physicians to take action; doctors can lobby governments, reduce greenhouse gas emissions and clinical waste. Immediate wise action is necessary to mitigate disastrous consequences.
Researchers have identified multiple brain regions responsible for generating fear and panic, including the amygdala, brainstem, diencephalon, and insular cortex. The findings suggest that an intact amygdala normally inhibits panic, and its absence can lead to anxiety-related conditions.
Researchers have identified plasmacytoid dendritic cells (pDCs) as a key producer of type I interferons in lupus, which can be targeted to prevent autoimmunity. Blocking this pathway may offer a potent weapon against the disease.
Research suggests that meerkat predator-scanning behaviour is driven by a desire to protect the group rather than personal safety. When young pups are present, adult meerkats exhibit increased vigilance and sentinel behaviour, indicating a strong sense of cooperation and altruism.
A large study of over 388,000 participants found that high supplemental calcium intake was associated with an increased risk of cardiovascular disease death in men, while dietary calcium intake had no such effect. The study suggests that sex may play a role in the cardiovascular effects of calcium supplements.
Researchers discovered nitric oxide inhibits ERK1/2 signaling pathway, shutting down brain's ability to self-repair after stroke. The study found that excessive nitric oxide production contributes to the severity of stroke and other neurological disorders.
Researchers found that Arabidopsis thaliana plants exhibit genetic traits from older generations, contradicting Mendelian inheritance. New experiments support these findings, providing evidence for novel DNA-based genetic phenomena and implications for plant biology and agriculture.
Researchers found that providing tangible assistance to others significantly reduced mortality rates among the helpers, buffering the negative effects of stress. The study's findings contradict previous research, which failed to establish similar benefits for recipients of social support.
A new therapy called an antisense oligonucleotide (ASO) has been developed by researchers at LSU Health Sciences Center, which partially corrects gene and protein expression and rescues hearing and balance in a mouse model of Usher syndrome. This breakthrough suggests the potential for treating deafness and balance disorders.
A study published in Expert Review of Neurotherapeutics found that 10-15% of people experiencing transient ischemic attacks (TIAs) will suffer full strokes within three months. Rapid evaluation and treatment can reduce the risk of subsequent strokes by up to 80%.
Researchers at Michigan Medicine found that Mary Ingalls likely suffered from viral meningoencephalitis, which caused her blindness, rather than scarlet fever. The study analyzed historical records and Laura Ingalls' memoirs to reach this conclusion.
Decision aids are being reevaluated to determine when it's acceptable to provide a
Researchers at Monell Chemical Senses Center have identified progenitor cells in taste tissue that can differentiate into functional taste cells, potentially helping treat clinical taste dysfunction. The discovery opens up new areas for studying taste cell renewal and contributes to stem cell biology.
A new study finds that state and local health departments often lack involvement in addressing health concerns related to industrial food animal production sites. Community members surveyed reported taking on the role of monitoring and educating themselves due to limited health department engagement.
Researchers at the University of Pittsburgh Cancer Institute have found a way to halt cancer cell growth by depriving them of a key protein. By targeting this process, they discovered a potential new anti-cancer therapy that could work synergistically with existing drugs.
A new kind of pterosaur, Eurazhdarcho langendorfensis, has been identified by scientists from the Transylvanian Museum Society, University of Southampton, and Museau Nacional. The fossilized bones are approximately 68 million years old and belong to the azhdarchids group.
Researchers found that pea aphids can land upright on their feet, using passive rotation to right themselves during free fall. The insects' ability to adapt to extreme situations has been studied in detail and published in Current Biology.
A new PET test using 11C-PIB offers a non-invasive method to visualize amyloid deposits in the heart, providing valuable information for disease prognosis and treatment monitoring. The study demonstrated positive uptake of 11C-PIB in patients with cardiac amyloidosis.
A clinical trial found that treatment with GLP-1 receptor agonists was associated with reduced body mass index and body weight in adolescents with severe obesity. The medication exenatide resulted in a significant reduction in BMI, with an average decrease of 4 percent during the open-label phase.
A new study reveals that amyloid peptides build-up in brain's blood vessels accelerates cognitive decline by limiting oxygen-rich blood and nutrients. Researchers identify CD36 as a key protein in the buildup of Aβ40 in blood vessels, promoting cerebral amyloid angiopathy (CAA).
A study published in the British Journal of Sports Medicine found that watching TV for more than 20 hours a week can almost halve sperm count, while exercising 15 or more hours a week can improve it by 73%. Moderate to vigorous exercise also has a positive impact on semen quality.
Researchers studied two hoodoos in Red Rock Canyon to estimate the force necessary to break sandstone shafts, shedding light on ground motion during recent earthquakes. The study suggests median or low-level ground motion despite large quakes in the area, providing valuable constraints for probabilistic seismic hazard assessments.
A new study finds that shame about past alcoholism is linked to increased risk of relapse and declining physical and mental health in recovering addicts. Behavioral displays of shame were found to predict likelihood of relapse, severity of relapse, and worsening health over time.
The American Association for Pediatric Ophthalmology and Strabismus has revised its guidelines for automated preschool vision screening, focusing on detecting amblyopia risk factors in young children. The new criteria include separate thresholds for different age groups, lower referral rates for young children, and the use of tradition...
JoVE's new Chemistry section publishes a novel experimental approach to study antifreeze proteins, showcasing the potential for these proteins in cryopreservation and tissue preservation. By visualizing dynamic processes, JoVE aims to facilitate reproducible chemistry research.
Climate change is threatening US coastal communities' social, economic, and natural systems, with increased risks of sea-level rise, erosion, storms, and flooding. The report emphasizes the need for coordination and planning to ensure resilience against climate change impacts.
Climate change models predict higher temperatures and months without rainfall, doubling the risk of death in calves up to five years old. The study highlights the importance of protecting vulnerable calves from the effects of climate change.
A cross-sectional study found that around 1 in 10 young teens with mental health issues also drink alcohol, smoke cigarettes, and use cannabis on a weekly basis. The prevalence of this pattern of substance use increases with age and is linked to poorer mental and physical health outcomes.
Researchers at Washington State University have made a breakthrough in repairing damaged brain cells using the active compound of chili peppers. The discovery has potential to provide relief for concussions and other health effects seen in athletes and head-injury victims.
Researchers at the University of Missouri have developed a gold nanoparticle that can transport alpha particles directly to small cancer tumors, reducing damage to healthy organs. The nanoparticle design enables researchers to keep more than 80% of the element inside for extended periods.
Researchers found that melanoma cells can transfer proteins to the immune system, allowing it to gather crucial intelligence and develop cytokines to kill cancer cells. This process, called positive feedback loop, tips the scales in favor of the immune cells.
A Case Western Reserve University researcher is creating ultra-high molecular weight polyethylene with embedded magnetic nanoparticles to monitor degradation and wear. The goal is to make implants more resistant to the environment inside the body.
A research team at the University of Innsbruck has successfully transferred quantum information from an atom to a single photon, paving the way for the construction of a quantum internet. This breakthrough enables the transfer of quantum information over optical channels between quantum computers.
Researchers discovered a novel syndrome caused by mutations in the ASXL3 gene, characterized by non-specific symptoms and intellectual disability. The study provides a molecular definition of this condition, which is difficult to distinguish from Bohring-Opitz syndrome, and highlights the importance of sharing genomic data.
A new study finds that extra-couple transmission accounts for 30% of new HIV infections in men and 10% in women within stable partnerships. Targeting all heterosexual routes of transmission with test-and-treat strategies could be key to fighting the epidemic.
A large population-based study of men found that those taking vitamin C supplements are twice as likely to develop kidney stones as non-supplement users. The risk increased with the frequency of supplement use. Conversely, multivitamin use was not associated with an increased risk of kidney stones.
Researchers developed an ultra-sensitive sensor to detect one molecule of carbon dioxide, improving the accuracy of monitoring and measurement. The sensor technology has the potential to reduce emissions in various industries.
A combined strategy of door-to-door visits and education campaigns is proposed to combat TB in Nunavut. The territory's TB rate is 66 times higher than the general Canadian population, but control can be achieved through a community approach combined with clear performance targets.
A recent study found that the epigenetic marker 5-hydroxymethylcytosine (5hmC) plays a vital role in the selective expression of genes, particularly in healthy brain cells. The study also discovered that changes in 5hmC distribution are associated with gene silencing and may contribute to cancer development.
A study found that conditional cash transfer programs can improve behavior among gay men and male sex workers in Mexico City. Gay men would participate at a rate of over 75% if offered $7-8.75/month, while male sex workers would participate for significantly less, $156/year.