New articles in the Hastings Center report explore the ethics of COVID-19 vaccine distribution, with a focus on social justice and historical disadvantage. The articles discuss the allocation of scarce resources, safety concerns for healthcare workers, and the impact on marginalized communities.
Clinic staff prioritize future child welfare and responsible use of public resources when assessing potential parents, limiting access to fertility treatment. The study highlights the need for a discussion on prioritizing assisted reproduction over individual rights.
A new study suggests that mangrove trees will likely disappear by 2050 if greenhouse gas emissions continue to rise, threatening the planet's ability to combat climate change. Mangroves store significant amounts of carbon and protect coastlines, providing habitat for fish and other species.
Most of Southeast Asia's peatlands have been wholly or partially deforested, drained, and dried out, leading to fires and greenhouse emissions. Satellite-based study reveals widespread subsidence, posing a threat to these ecosystems as most coastal peatlands are at or just above sea level.
Researchers created a way to track the spread of Agrobacterium, a bacterium causing crown-gall disease affecting over 100 plant species, worth $16 billion annually. The method can also be applied to human and animal diseases and foodborne outbreaks.
A new study found that 21% of patients with kidney failure treated with dialysis experience regret, particularly those who choose dialysis due to external pressures. Discussing life expectancy and completing a living will can help mitigate this regret.
A new study using ancient DNA found at least three population dispersals that brought people to the Caribbean, challenging traditional views of the region's early settlement. The researchers also discovered biological and cultural diversity among the early settlers.
A recent study published in Nature shows that CO2 emissions from the African continent's rift system are destabilizing diamond deposits, which could have significant implications for the environment.
A large study evaluated de-identified data from electronic dental records of 217,887 patients from 99 solo or small dental practices across the US. The study found that it's feasible to mine EDR data to learn which dental therapies work and which don't, empowering quality improvement by individual dentists.
Researchers discovered a microRNA named miR-126-5p that protects endothelial cells from damage and reduces atherosclerosis risk. By inhibiting caspase-3 activity, miR-126-5p maintains vascular integrity and prevents the development of atherosclerotic lesions.
A new study finds that disrupted sleep increases the risk of atherosclerosis and stroke by promoting inflammatory pathways. Sleep fragmentation was associated with higher neutrophil counts and coronary artery calcium, two markers of atherosclerosis pathology.
Researchers at Dartmouth Health have found that HPV vaccines effective in the US may not provide adequate protection for women in low- and middle-income countries due to differing prevalence of HPV strains. This has significant implications for cervical cancer prevention and treatment in these regions.
Researchers at the University of Notre Dame created a new class of near-infrared fluorescent dyes by introducing a voluminous shield to protect against photobleaching. The dye, called s775z, provided stable fluorescence and was quickly cleared from the body, making it suitable for biomedical imaging applications.
Researchers identify 29 genetic variants associated with problematic alcohol use, revealing a strong link to depression, insomnia, and other psychiatric diseases. The study provides new insights into the biological mechanisms underlying alcohol dependency and offers hope for developing new medicines to combat it.
A recent study has mapped the geological structures underlying massive methane craters in the Barents Sea, shedding new light on their formation and potential risks. The research suggests that deep cracks in the bedrock, which date back 250 million years, control the size and shape of the craters and are the source of the leaking methane.
A comprehensive new report by the University of Michigan Injury Prevention Center documents cannabis trends in Michigan, including increased use among Michiganders, revenue generated for the state, and growing public health concerns related to cannabis use disorder, motor vehicle crashes and emergency department visits. The report prov...
A study by Children's Hospital of Philadelphia found that universal preoperative COVID-19 screening improved pediatric patient safety by identifying asymptomatic cases. The researchers analyzed data from three major children's hospitals and found significant variation in COVID-19 incidence rates, ranging from 0.22% to 2.65%.
New research from the Institute of Atmospheric Physics suggests a future intensification of the WNPSH under RCP 8.5, leading to stronger East Asian summer monsoon and increased rainfall but reduced typhoon landfalls over East Asia. However, this may also imply increased risk of heatwaves in southern and eastern China.
A new study highlights the critical role of mangroves and coral reefs in protecting coastal communities from climate-related disasters. With over 8.5 million people benefiting directly from these natural defenses, conservation and restoration efforts are essential to address growing vulnerability across highly exposed regions.
A recent study found that the international trade in timber, tobacco, cocoa, coffee, and cotton significantly contributes to malaria risk in countries with deforestation hotspots. The research linked over 10% of malaria cases to demand from developed countries for these commodities.
Researchers at McLean Hospital identified two molecules naturally produced by the body that stimulate dopamine production, which may help reverse Parkinson's disease progression. Prostaglandin A1 and E1 protect dopamine-producing neurons from dying and increase dopamine levels without side effects.
Researchers at McGill University reviewed available research on SARS-CoV-2 antibody detection tests, highlighting key areas of ongoing research and proposing potential strategies for test implementation. They found that most serologic assays have minimal or no external validation, hindering assay selection and interpretation of results.
Researchers analyzed 442 AML samples to identify immune classes that predict drug resistance and response to immunotherapy. IFN-γ-dominant AML patients showed strong responses to flotetuzumab and improved survival rates, highlighting the potential for T cell-targeting therapies.
Companies like Apple and pharmaceutical firms are struggling with disrupted supply chains due to pandemics. Researchers propose a strategy called branching to build multiple branches into value chains, increasing resilience.
A new image of the LSD1 enzyme reveals its role in regulating genes and interacting with the nucleosome. The discovery sheds light on how cancer cells disrupt normal development and highlights potential therapeutic targets.
A team of researchers from the University of Tokyo has successfully captured high-speed atomic video at 1,600 frames per second using a powerful electron microscope and highly sensitive camera. This achievement is 100 times faster than previous experiments and enables the observation of previously inaccessible details.
Researchers have identified a variant in the genome associated with higher risk of prostate cancer in African American men. This variant is found in about 12% of men of African ancestry and increases their risk two-fold.
A team of scientists from Stanford University has developed a gene-targeting, antiviral agent against COVID-19 using CRISPR technology. The system delivers PAC-MAN into lung cells, neutralizing the coronavirus and stopping it from replicating inside cells.
Ancient sediment analysis reveals mangrove ecosystems can survive up to a 7mm per year sea-level rise threshold. Mangroves provide essential ecosystem services but are threatened by rapid sea-level rise, with current rates expected to surpass the survival limit within 30 years.
Research published in the European Heart Journal found that patients with high blood pressure are at a two-fold increased risk of dying from COVID-19 compared to those without hypertension. The study also suggests that RAAS inhibitors may be protective against COVID-19-related death.
A new study from Umea University reveals that psoriasis patients with comorbid physical diseases experience increased mental health risks due to these associated somatic illnesses. The research indicates a higher risk of depression, anxiety, and suicide among psoriasis patients with other medical conditions.
A growing number of patients in Europe are taking opioids for pain related to rheumatic and musculoskeletal diseases, with risks of addiction and dependency identified. Experts warn that measures must be taken to use these analgesics more safely.
Researchers at Washington State University have developed a technology that uses an electric field to concentrate and separate cancer biomarkers onto a paper strip, detecting miniscule levels of the markers in as little as 10 minutes. This breakthrough could lead to earlier detection of and faster treatments for cancer.
A new sensor-based system developed by RMIT University and Arup uses artificial intelligence to measure staff comfort and concentration in flexible working spaces. The study found that office temperature, sleep quality, and meeting schedules significantly impact perceived concentration levels.
A study found that New Zealanders reported higher trust in institutions and greater patriotism during the pandemic lockdown, but also experienced slightly higher levels of psychological distress. The strong national response appeared to contribute to the increase in trust.
The UAP56/DDX39B protein removes DNA-RNA hybrids from the genome, ensuring correct gene expression and genomic integrity. Researchers at the University of Seville discovered this key function, highlighting the protein's importance in maintaining genome stability.
A team of researchers has identified potential new therapeutic targets to treat Parkinson's disease by understanding the structure and dynamics of the protein alpha-synuclein. They found that a specific region of the protein becomes more exposed when it aggregates, which can lead to diseases like Parkinson's.
Researchers at Indiana University School of Medicine have successfully grown hairy skin from human stem cells using a 3D cell culture method. The study shows that skin generated from pluripotent stem cells can integrate into mouse skin, leading to potential applications in skin reconstruction and disease modeling.
The University of Sussex has developed the most sensitive strain sensor, capable of detecting strains as low as 0.1% and up to 80% with a gauge factor of ~20. This technology could revolutionize wearable devices for vital sign monitoring and building structural integrity assessment.
Researchers at the University of Nottingham have developed a new treatment for Tourette Syndrome, using repetitive nerve stimulation to reduce tic frequency and intensity. The study shows promising results, with participants experiencing significantly reduced tics and urge-to-tic symptoms.
A small case series found that famotidine significantly improved symptoms of COVID-19 in patients with mild to moderate disease. The effects were felt within 24-48 hours and lasted up to 14 days. Further study is warranted to confirm the findings.
A new study found that the alien spotted-thighed frog has an indiscriminate diet, devouring up to six prey items per frog, including native geckos, young frogs, and mice. The invasive species could have devastating impact on invaded habitats, displacing or destroying local food webs.
Research reveals that incorporating cover crops with tillage increases mineralization of nutrients from cover crop biomass. However, results show mixed effects on corn-soybean grain yields when planted after cover crops, highlighting the need for suitable cover crop species selection to avoid yield reductions.
Researchers at Florida Atlantic University and The Ohio State University identify the specific brain circuit responsible for neuroinflammation and psychological disorders caused by chronic stress. By limiting inflammatory signaling to this circuit, they suggest a potential treatment approach for anxiety and depression.
Researchers at Nagoya University developed a micrografting device to facilitate the grafting of embryonic shoots onto tiny stalks, achieving a 48-88% success rate. The device shows potential for facilitating research into plant signalling and has been applied in tomato grafting.
A study by Gwen E. McGhan and colleagues found that nurses have the lowest ratings of workplace safety climate, followed by healthcare aides, and are associated with increased job stress and decreased job satisfaction. Allied health professionals had significantly higher safety perceptions and lower rates of injuries and illnesses.
A new study using ancient DNA found evidence of at least three population dispersals that brought people to the Caribbean, with genetic differences between early settlers and newcomers from South America. The research suggests that the islands were settled and resettled several times from different parts of the American mainland.
Researchers analyzed data from solo skippers in the Mini Transat La Boulangère regatta to identify effective sleep management strategies. Over half of the skippers employed sleep extension, polyphasic sleep, or gradual sleep deprivation to optimize their performance and safety during the competition.
Researchers found that continued nicotine use promotes brain metastasis in lung cancer patients, who often struggle to quit due to nicotine addiction. Parthenolide, a compound from the herb Feverfew, blocks this effect and may prevent brain tumors, offering new hope for treatment.
Advances in nanoparticles as anticancer drug delivery vectors offer improved targeting efficiency and non-toxicity. The use of external and internal stimulating factors enhances the efficacy of nanopolymer-based platforms, making them ideal for personalized medicine.
A study published in Neurosurgery found a high incidence of COVID-19 in patients presenting with stroke, including younger individuals without known risk factors. The mortality rate for these patients was significantly higher than typical, with 42.8% dying from their strokes.
A comprehensive study by Universitat Politècnica de València analyzes 39,531 COVID-19 related videos on YouTube. The most viewed video was Resistiré 2020 with almost 28.7 million views.
Scientists have developed a gene therapy approach that reactivates visual circuitry in human retinas using near-infrared light, potentially restoring vision in blind patients. The treatment was tested on human retinas kept alive in culture medium and showed promising results.
Researchers found that six-month-old infants could discriminate between major and minor musical tones with eye movements and visual stimuli. This capacity is similar to adults, with approximately 30% of infants able to distinguish the difference and 70% unable to.
A team of physicists at the Universität Leipzig is developing an ultra-compact spectrometer with potential applications in industries such as food, medicine, and textiles. The new instrument could make quality control cheaper and more accessible, allowing for widespread adoption and democratizing access to spectral analysis.
Researchers found that parenteral oil infusions can prevent cholestasis and restore bile flow in preterm piglets, accompanied by changes in gut bile acids and the gut microbiome. The study provides new insights into the mechanism of lipid emulsions and their impact on liver health.
Researchers mapped 88,047 individual cells across 33 brain regions in humans, chimpanzees, macaques, and bonobos to identify distinctive brain regions that underwent faster evolution. The study found differences in gene expression between human oligodendrocytes and astrocytes compared to other primates.
A study conducted in Finland found that women who experienced childhood trauma became mothers earlier than those with a more stable upbringing. The research used data from volunteers who served in the 'Lotta Svärd' organisation during World War II, showing an increased rate of early motherhood among affected individuals.
A new study suggests that genetic testing for acute myeloid leukemia (AML) can be delayed without negatively impacting patient outcomes. For stable patients, waiting a week or more for test results allows doctors to assign the correct subgroup and select targeted treatment.
Researchers developed a synthetic microbial system to determine the location of origin for objects, using DNA-barcoded spores that can be sprayed onto goods and detected months later. This approach helps determine the source of foodborne illnesses, which affect millions in the US annually.