Recent study by University of Bonn researchers reveals that machine learning models in drug discovery research are not as effective as thought, relying heavily on memorized data. The findings suggest that AI applications in this field are overrated and should be supplemented with chemical knowledge and simpler methods.
Researchers have developed a Sn-based tandem electrocatalyst that can reproducibly yield ethanol with high Faradaic efficiency and selectivity. The catalyst enables the formation of C-C bonds through an unprecedented pathway, producing desired products such as ethanol.
Researchers discovered that the Christchurch mutation blocks the detrimental effects of apolipoprotein E4 on Alzheimer's disease by reducing tau protein accumulation and neuroinflammation. This genetic variant may offer novel therapeutic interventions to mimic its protective effects.
Researchers found that more young adults are starting to vape than use traditional cigarettes, with 56% of regular vapers having never smoked cigarettes. The trend is particularly concerning among young women, who have seen a slight increase in vaping popularity over time.
A new study finds that AI-generated white faces are perceived as more realistic than human faces, highlighting a potential threat to people of color. The researchers attribute this discrepancy to the disproportionate training of AI algorithms on white faces, which can lead to the reinforcement of racial biases online.
Researchers found Cladophora blooms increase Bacillariophytes and alter physicochemical properties, leading to shifts in phytoplankton communities and biomass. The study suggests FABs as ecological engineers influencing alpine lake ecosystems.
Researchers recreated ancient seawater to study nutrient availability, finding a preference for metals like manganese and molybdenum. Greenalite formation removed zinc, copper, and vanadium from seawater, matching the metal choices of early lifeforms.
A team of engineers from the University of Illinois has developed a long-jumping robot with a lightweight elastomer body and artificial muscle made from coiled nylon fishing line. The robot can jump 60 times its body size in horizontal distance, opening up new possibilities for sensing and exploration applications.
Scientists at the University of Leicester have made a groundbreaking discovery about how cholesterol in our diet is absorbed into our cells. The research, published in Science, highlights the role of two proteins called Aster B and Aster C in transporting cholesterol from the intestine to the bloodstream.
Jenny Wilkerson receives $1.94 million grant to develop novel models and investigate antinociceptive profiles of basal sex hormone alterations in patients with chronic post-op pain. The study aims to answer questions about the impact of altered sex hormone levels on recovery times, drug effectiveness, and long-term health.
A new study from Intermountain Health reveals that genetic screening can effectively identify individuals with familial hypercholesteremia (FH), a condition affecting about 1 in 250 people. By targeting these patients with treatment, researchers aim to prevent heart attacks, strokes, and death.
A new landmark study identifies 14 evolutionary traps that human societies are at risk of getting stuck in, including global climate tipping points, misaligned AI, and chemical pollution. To avoid these dead ends, the researchers emphasize the need for collective human agency and design settings where it can flourish.
The Genes & Health study has enrolled its 10th participant in a gene-editing clinical trial for heart disease, specifically familial hypercholesterolemia. This milestone marks an important step towards improving health outcomes for people of Pakistani and Bangladeshi descent.
Patients with heart failure treated with dapagliflozin experienced frequent initial estimated glomerular filtration rate declines, but without increased cardiovascular or kidney event risks. The study suggests that sodium-glucose cotransporter-2 inhibitors can be safely continued in patients experiencing eGFR decline.
A new therapeutic, lepodisiran, has shown promising results in reducing lipoprotein(a) levels to undetectable levels for nearly one year. The study found that the medication is safe and effective in lowering Lp(a) levels by more than 94%.
A four-year blood-pressure intervention significantly reduced the risk of developing dementia among adults with high blood pressure, compared to those who received usual care. The study found that lowering systolic blood pressure to less than 130 mm Hg and diastolic blood pressure to less than 80 mm Hg reduced dementia risk.
The ORBITA-2 trial found that stenting improves symptoms compared to a placebo procedure, providing evidence-based treatment for stable chest pain. The study suggests updating guidelines for stable coronary artery disease and offers patients and medical teams two treatment strategies with similar benefits.
A new study suggests that hormonal birth control used by adolescents may influence the development of their brain, leading to altered risk assessment. The researchers found increased myelination and decreased immune cells in the brains of treated rats, while also exhibiting signs of impulsivity in behavior tests.
A single infusion of CRISPR-based gene-editing therapy significantly reduced LDL cholesterol levels in people with heterozygous familial hypercholesterolemia, a condition that increases heart attack risk. The treatment has shown potential as a long-term or permanent option for high LDL-C control.
A phase 1 trial shows that a single dose of lepodisiran can reduce blood levels of lipoprotein(a) by up to 96%, a key driver of heart disease risk. The therapy, which blocks the production of lipoprotein(a), is well-tolerated and has long-lasting effects.
A study supported by NIH found that ineffective ventilation technique during CPR results in significantly worse patient survival rates. Those who received higher number of effective ventilations had three times greater survival rate and better clinical outcomes.
A group of renowned experts has cast doubt on claims that Homo naledi deliberately buried their dead and produced rock art in Rising Star Cave, South Africa. The team suggests that natural agents and post-depositional processes may be responsible for the accumulation of bodies and the alleged engravings.
A phase 4 clinical trial found that apixaban, an anti-clotting medication, reduced the rate of stroke and blood clots in adults with implanted heart devices experiencing short bouts of asymptomatic, irregular heart rhythms. The study suggests that these individuals may benefit from receiving an anticoagulant.
A study found that pregnant women with high blood pressure who received tight blood pressure control immediately after pregnancy had lower blood pressure levels and improved cardiac function compared to those with usual care. This could lead to a reduced risk of cardiovascular disease, including heart attacks and strokes.
A new anti-clotting medication, abelacimab, has significantly reduced bleeding among people with atrial fibrillation who are at risk of stroke. The AZALEA-TIMI 71 trial found that abelacimab substantially reduced bleeding compared to the current standard of care use of direct-acting oral anticoagulants.
Researchers propose two novel unsupervised spectral feature selection algorithms to detect informative features in high-dimensional data with small samples. The algorithms use advanced clustering and ranking techniques to guarantee representative and independent features, leading to reliable and trustworthy medical diagnostic systems.
A new study from Intermountain Health reveals that air pollution from wildfires and winter inversions poses different risks of heart attack and severe chest pain. Short-term increases in fine particulate matter were associated with increased risk of heart attack during the winter inversion season, but not summer wildfire season.
A single dose of zilebesiran safely and effectively lowered systolic blood pressure in people with mild-to-moderate high blood pressure for up to six months. The study found significant reductions in daytime and nighttime systolic blood pressure, as well as low rates of adverse events.
A new study found that genetic screening can identify patients with an inherited risk of cardiomyopathy, allowing for closer monitoring and improved treatment. The study suggests that widespread genetic testing can lead to better outcomes for these patients, including reduced deaths.
A new study found that wildfires and drought have led to a 10% reduction in the value of private timberland in three Pacific states over the past two decades. Climate change is attributed as the primary cause of this damage, with large wildfires causing an additional 8.7% loss.
A global study found that apixaban reduced the risk of stroke and blood clotting by 37% in patients with device-detected atrial fibrillation, also known as sub-clinical atrial fibrillation (SCAF). The medication also reduced fatal or disabling stroke by 49%.
A randomized controlled trial suggests that a more liberal approach to red blood cell transfusions for heart attack patients with anemia may benefit outcomes without significant risk. The study found no statistically significant difference between two transfusion strategies, but results suggest a possible benefit of liberal transfusions.
A new study suggests that a PCSK9 inhibitor given every 1-3 months may effectively lower bad cholesterol levels in people with non-genetic hypercholesterolemia. The medication, recaticimab, showed similar effectiveness and safety as other PCSK9 inhibitors when administered less frequently.
Researchers found that abelacimab, a Factor XI inhibitor, reduced bleeding compared to rivaroxaban in patients with atrial fibrillation. The study showed significant reduction in hospitalization due to bleeding and almost eliminated gastrointestinal bleeding.
Lepodisiran, a short interfering RNA, targets hepatic synthesis of apolipoprotein(a), reducing serum lipoprotein(a) concentrations. Phase 1 study results support further investigation of lepodisiran's efficacy in treating elevated lipoprotein(a) levels.
Researchers found that people with overweight or obesity who took semaglutide for over 3 years had a 20% lower risk of heart attack, stroke, or death from cardiovascular disease. The study showed significant weight loss and improved cardiovascular outcomes in adults without diabetes.
Dr. Gailen Marshall was installed as president of the American College of Allergy, Asthma and Immunology (ACAAI), succeeding Dr. James Tracy who was elected as president-elect. Dr. Marshall is a renowned allergist and immunologist with extensive experience in clinical practice, research, and academia.
A liberal blood transfusion strategy reduced the risk of reoccurrence and improved survival rates in patients with heart attacks and anemia. The MINT trial found a 2.4% lower mortality or recurrent heart attack rate when using this approach.
Research considering human diversity generates more resilient hypotheses on brain development and disorders like autism and Alzheimer's disease. Inclusion of diverse populations improves scientific findings and leads to new insights.
Research on psychedelic compounds suggests they have promise for treating a range of psychiatric disorders, but underlying biological mechanisms and patient responses are still unknown. Studies indicate that sex, dose, and timing of administration may influence the efficacy of these compounds.
Researchers investigated relationships between chronic stress, mood disorders, and teenage brain organization using advanced imaging techniques, finding that major stressors may affect brain structure with implications for mental health.
A liberal blood transfusion strategy may reduce the risk of a reoccurrence of heart attacks in patients who have had a heart attack and have anemia, according to the Myocardium Infarction and Transfusion (MINT) trial. The study found a 2.4% lower mortality rate when patients received more blood.
A randomized clinical trial found that avoiding aspirin as part of an antithrombotic regimen reduces bleeding events without increasing thromboembolism risk in patients with advanced heart failure treated with left ventricular assist devices. The study suggests that aspirin avoidance may be a viable option for these patients.
A recent clinical trial found that semaglutide significantly reduced cardiovascular events in adults with overweight or obesity who do not have diabetes. The medication was shown to lower the risk of death from cardiovascular causes, nonfatal heart attacks, and strokes by 20% compared to placebo.
Researchers identified key factors in DNA repair, revealing the 'proofreading' portion of polymerase epsilon helps prevent strand breakage. This knowledge arms scientists with ways to enhance anti-cancer drug effectiveness and develop new diagnostic methods.
A new study from Northwestern University and Vanderbilt University Medical Center found that reducing sodium intake by just one teaspoon a day can lower systolic blood pressure by about 6 millimeters of mercury, comparable to the effect produced by commonly used first-line medication for high blood pressure. The study involved middle-a...
New research identifies high-performance blood biomarkers for early screening and classification of Alzheimer's disease. The findings also reveal sex-based trajectory differences in disease progression, highlighting the importance of considering individual sex characteristics in diagnosis and treatment.
A natural language processing model was validated to identify heart failure hospitalizations in a multicenter clinical trial, demonstrating its potential to improve the efficiency of future trials. The study suggests that natural language processing can be used at scale to identify clinical events, but further research is needed.
Experts call for urgent measures to address discrimination against patients fleeing war or conflict zones, those with serious mental illnesses, and frail elderly patients. Guidelines for treating advanced breast cancer should prioritize patient preferences and involve multidisciplinary care teams.
A new study by Intermountain Health found that high levels of coronary calcium are common among people who have a heart attack but no known risk factors. The study suggests that scans to detect plaque buildup should be part of standard care for these patients, enabling early diagnosis and treatment.
A randomized clinical trial found that self-monitoring and physician-guided titration of antihypertensive medications reduced postpartum blood pressure compared to usual care. The study involved 220 participants in the UK and showed promising results for long-term blood pressure control.
Researchers identify specific genes, molecules, brain regions, and cognitive features linked to depression. New findings may lead to earlier identification and more effective treatment options.
Changes in a person's environment can have significant effects on the brain, with research finding associations between environmental pollutants and cortical thinning. The study also reveals the impact of childhood trauma and wildfire smoke exposure on adult brain health.
A study of 213 participants found that reducing dietary sodium significantly lowered blood pressure, with consistent results across subgroups. The decline in blood pressure was also not associated with excess adverse events.
Research using human participants and animal models explores the neural mechanisms of fear learning, phobias, and chronic stress. The findings suggest novel ways to unlearn dysfunctional fears and shed light on how fear and stress impact the brain.
Researchers are using machine learning to analyze brain data, predicting outcomes and developing new treatments for major depressive disorder and Alzheimer's disease. The findings will be presented at Neuroscience 2023, the annual meeting of the Society for Neuroscience.
New research reveals that acute sleep deprivation causes sex-specific differences in gene regulation, while female resilience to sleep loss is linked to estradiol's modulation of sleep. The study also explores the role of dream sleep and its potential connection to cephalopods.
A study from Vanderbilt University Medical Center found that reducing sodium intake by just one teaspoon a day can lower systolic blood pressure by about 6 millimeters of mercury. Most people, regardless of whether they are already on blood pressure medications or not, can see a reduction in their blood pressure if they lower the sodiu...
Researchers have discovered a promising new treatment option for pancreatic cancer, using polyinosine-polycytidylic acid (pIC) delivered directly into tumor cells. The approach suppresses tumor growth, induces cancer cell death, and enhances survival in animal models with the most common form of pancreatic cancer.
A national US study found students who perceived bias in bullying experienced negative impacts on self-esteem, physical health, and schoolwork. Schools should prioritize programs targeting biased victimization to reduce inequality.