A commentary in the journal Gastroenterology argues that current policy harms low-income patients by not waiving their share of coverage costs for screening. The authors recommend waiving coinsurance and copay for diagnostic procedures associated with screening, as well as value-based and evidence-based benefit design.
A new study reveals vast differences in treatment recommendations among physicians for brain hemorrhage patients. The variation was found to be influenced by factors such as the physician's specialty and experience with the condition. Researchers recommend that clinicians consider these variations when communicating with families, as i...
A new paper-based test developed at MIT and other institutions can diagnose Zika virus infection within a few hours. The test distinguishes Zika from the similar dengue virus, making it potentially practical for widespread use.
A new study provides proof of principle for safe and targeted delivery of drugs to the placenta during pregnancy. The discovery could prevent premature births and treat complications like preeclampsia by bolstering the placenta's function.
A team of collaborators has developed a cell-free, paper-based diagnostic platform for detecting the Zika virus. The platform uses toehold sensors and isothermal RNA amplification to provide rapid, low-cost, and programmable diagnostics.
Researchers developed a new technique using ocean waves and seismic vibrations to monitor ice sheet volume changes, which may help scientists identify vulnerable regions. The technique has been shown to have high precision and can be used continuously, unlike traditional methods that only gather data several times a year.
Scientists have made significant breakthroughs in predicting weather and climate change by studying the fundamental thermodynamics of water droplets. Understanding how water droplets grow and interact with each other can help improve weather forecasts, but also has industrial relevance and applications.
A study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules. Cultural pressures can override natural circadian rhythms, with effects showing up most markedly at bedtime.
Researchers developed a software tool called DefSense that enables non-experts to create deformable objects with deformation-sensing functionality. The tool optimizes sensor layouts based on user-defined deformations, allowing for customized input devices.
Researchers found that Zika virus activates the innate immune receptor TLR3, which leads to cell death in neural stem cells. However, inhibiting TLR3 helps infected cells survive and function normally.
Researchers have discovered how Zika virus blunts brain development by hijacking the human immune system. The study found that activating a specific protein called TLR3 triggers genes that block stem cell differentiation and lead to increased cell suicide.
Researchers found that moderate sedation leads to better clinical outcomes, including lower 30-day mortality and shorter hospital stays, compared to general anesthesia. The study of over 10,997 patients suggests that moderate sedation is both safe and effective for TAVR procedures.
A Phase 1 clinical trial shows that an antibody-based drug can stimulate patients' immune response, enabling them to make new or better antibodies against HIV. The researchers also found that the antibody was able to engage immune cells and accelerate their clearance of HIV-infected cells.
A study of elite Paralympic athletes with cerebral palsy found that exercise improves bone mineral density, but reduces muscle mass on the affected side. The research suggests that high levels of exercise from a young age may be beneficial to individuals with CP.
A CSU-led team has identified strategies to improve global food accessibility while reducing agriculture's environmental impacts. The study highlights the importance of integrated food system approaches, such as increasing legumes in crop production practices and improving women's access to resources.
Researchers investigate the interaction of nucleotide chains with metallic nanoparticles in carbon nanotubes using hybrid molecular dynamics simulation methods. The study highlights the potential of these systems for designing electronic diagnostic tools and drug delivery systems.
A deadly fungus has been found to be threatening African frog species, with at least five species declining due to chytrid and habitat destruction. Climate change may also be exacerbating the issue.
A study of TAVR patients using different anticoagulation medications found comparable survival and vascular complication rates between men and women. However, a trend was observed that women given bivalirudin experienced less mortality, warranting further investigation.
A study of over 23,000 patients found that women had a lower risk of comorbidities and experienced fewer vascular complications in-hospital after TAVR. Despite this, women's one-year survival rate was still higher than men's.
Researchers have identified Charcot-Marie-Tooth Disease as Christina Olson's condition, which led to her loss of mobility and hand use. The diagnosis was made by Marc Patterson after reviewing her medical history and Andrew Wyeth's artwork depicting her.
Physicists have detected a long-sought excitation state in an isotope of thorium, which could enhance atomic clock accuracy by a factor of ten. The discovery brings researchers closer to developing a working nuclear clock, with potential benefits including improved precision and resistance to external influences.
A new study published in Frontiers in Pediatrics investigated the effects of a steroid treatment on children with ARDS, finding improved ventilation and blood oxygenation without affecting mortality rates. The study identified key biomarkers associated with lung inflammation and injury, paving the way for targeted treatment development.
Researchers at Harvard University developed a rapid and portable test for Zika virus that can detect the virus in serum or saliva samples at lower concentrations than previously possible. The test has the potential to improve upon key limitations of currently available options and enable mass monitoring of outbreaks.
A new study found that two-minute warnings before ending screen time make transitions more unpleasant for young children. The study also found that parents often use screens as a last resort or to distract toddlers during unpleasant activities.
Researchers have developed a medicated silicone ring that slowly releases medication over 6 months, potentially lowering the risk of vision loss among seniors with glaucoma. The device reduced eye pressure by about 20% in patients compared to traditional daily drops.
Researchers have discovered a gene signature that characterizes the transition from dilated cardiomyopathy (DCM) to heart failure. The study found increased expression of fibrotic and inflammatory genes, as well as changes in heart muscle cell proliferation and metabolic profiles.
Researchers tested young infants' imitation of facial and hand gestures, finding no evidence of innate ability to copy adults. Babies may learn to imitate through observation of others mimicking them.
Researchers at the University of Sheffield found that males in polyandrous populations outcompete their counterparts in monogamous populations, securing more mates. The study suggests that intense sexual competition can lead to the emergence of highly competitive individuals, known as 'super males'.
Researchers found that lung cancer can rewire the body's clock to control lipid metabolism and insulin sensitivity in the liver. This alteration leads to decreased glucose tolerance and changes in lipid metabolism.
Researchers identified two distinct neuronal cell lineages expressing Nplp1, driven by different spatiotemporal cues and converging on a common terminal selector cascade. The study provides new insights into neuronal cell fate specification and the role of feed-forward loops in regulating gene expression during development.
A new approach aims to identify planets orbiting nearby stars that support life by focusing on creating a comprehensive list of molecules in their atmospheres. Researchers have searched for thousands of potentially biogenic gas molecules, sparking new research into identifying larger molecules and their potential as signs of life.
Patients treated with processed autologous adipose-derived regenerative cells (ADRCs) demonstrated symptomatic improvement and reduced heart failure hospitalizations. The ATHENA trial results showed a trend towards lower rates of angina, despite no improvement in left ventricle ejection fraction (LVEF) or ventricular volumes.
A University of Michigan robot, MARLO, can now walk down steep slopes and uneven ground using a novel feedback control algorithm. The algorithm's potential benefits extend to powered prosthetic legs and other two-legged robots.
A slow slip event in New Zealand's Hikurangi margin showed that subduction plates may be accumulating much more stress and strain than previously thought. This finding helps assess earthquake occurrence risk in coastal areas near subduction zones, especially at locations of shallow depth.
A study by researchers at the University of Texas M. D. Anderson Cancer Center found that gene therapy may be able to reverse cancer-related nerve pain. The treatment, which involves transferring a gene called KCC2 into the spinal canal, restored chloride levels and eliminated pain hypersensitivity in rats.
A study found that temporary streams suffer from a significant decline in invertebrate species during droughts, with only three species remaining after a long drought and 24 species after shorter dry spells. The research highlights the potential consequences of climate change-related increases in drought length on aquatic ecosystems.
A teenage boy's liver injury from paintballing highlights growing pellet-related injuries. Black henna tattoos have also been linked to allergic reactions. A former WWII soldier's body revealed various war injuries, including shrapnel fragments.
Researchers discovered a tension-sensitive molecule, Stu2, that ensures correct chromosome distribution during cell division. This 'fail safe' mechanism helps prevent aneuploidy, a genetic abnormality common in tumor cells.
The Observatory on Social Media (OSoMe) provides a free online software suite to analyze online trends and memes. The tool offers four modules: Trends, Networks, Movies, and Maps, allowing users to explore how information spreads in social networks.
Research suggests mango's anti-obesity, anti-cancer, anti-inflammatory, and intestinal health roles. Studies in mice and humans reveal potential benefits of mango consumption on body composition, glucose homeostasis, and gut inflammatory markers.
A UBC study found that nearly one-third of British Columbia women aged 65 and older received inappropriate prescriptions, compared to one-fourth of men. The study highlights the importance of addressing gender-based disparities in healthcare prescribing practices.
A new study from a Georgia Tech-Cornell University team shows that more than a third of doctoral students with plans to pursue postdocs have interest in careers outside academic research. The finding challenges the notion that postdoctoral research is primarily for research faculty positions.
Researchers developed a new technique to control dopamine-producing cells' activity in the brain. They identified the exact signalling pathway that causes involuntary movements, known as dyskinesia, and found a way to reduce side effects.
Researchers found that only half of perceived friendships are reciprocal, while most people overestimate the level of mutual support in their relationships. The study's algorithm accurately determines the nature of friendships with high accuracy.
A RAND/Harvard study found that teledermatology improved access to dermatologists for Medicaid patients, with half of those receiving any dermatology care using the service. The collaboration between Direct Dermatology and Health Plan of San Joaquin achieved significant increases in patient visits with dermatologists.
Fossil analysis reveals that a cooler period after the Eocene-Oligocene transition (EOT) significantly impacted Asian primate evolution, favoring lemur-like strepsirrhine primates. In contrast, Afro-Arabia fossils show anthropoid diversification during this time.
A study by University of Bonn researchers identifies hippocampal astrocytes as key regulators of memory processing, prioritizing new information over stored memories. The discovery sheds light on the cellular causes of dementia and Alzheimer's disease.
The Suomi NPP satellite captured images of the Fort McMurray wildfire, revealing its spread and impact on nearby communities. The fire forced over 88,000 people to flee, destroying 1,600 homes and buildings, and scorching over 18,500 acres.
A recent study published in Nature Communications found a single gene, retinoblastoma (RB), to be crucial for the evolution of multicellularity. The researchers discovered that RB is a tumor suppressor and plays a fundamental role in regulating cell cycles, making it easier to evolve multicellular life.
Research found that deep-pitched male voices are seen as dominant by other males but have a smaller impact on attracting females. Human male traits imply physical aggression and formidability, providing competitive advantages in fighting or threatening other men more than they help attract women.
Researchers developed DNA-based tension sensors to study T cell interactions. They found that T cells use precise mechanical tugs to test whether a cell is a friend or foe, with stronger tugs indicating a foreign invader. This discovery could aid in the development of immune therapies for cancer and treatments for autoimmune diseases.
Researchers use diffusion equation and geographical data to simulate prehistoric human migration into England, Scotland, and Wales. The method accurately predicts points of contact between migratory paths, providing insights into early human dynamics.
Researchers found that a potent antibody can evoke a strong immune response in humans and accelerate the clearance of infected cells. The study revealed that administering this antibody to HIV patients can lead to a significant reduction in viral loads.
A new study found that catheter ablation does not reduce the long-term risk of atrial fibrillation in patients with Wolff-Parkinson-White syndrome. Adult patients with the condition continue to have a significant risk of developing atrial fibrillation regardless of age at procedure.
Researchers have identified a new mechanism for fast ion transport in solid electrolytes, enabling safe and high-power batteries. The discovery provides a new strategy for designing highly conductive solid electrolytes.
Researchers found that drinking Montmorency cherry concentrate reduces blood pressure in men with early signs of hypertension by 7%, a level comparable to anti-hypertensive medication. This reduction can help prevent cardiovascular diseases such as heart attack, kidney disease, and stroke.
Researchers have identified a signaling pathway that prevents DNA damage during cell division, ensuring identical copies are passed on to daughter cells. Chromatin bridges can form if DNA replication is problematic, but these bridges do not always trigger an alarm signal.
A newly discovered pathway in Alzheimer's disease may provide new treatment approaches by targeting the formation of tau-stress granules. Reducing key stress granule proteins prevents tau aggregation and nerve cell degeneration.
A team of researchers has developed a method to image molecular movement in real-time, revealing the fundamental processes of a chemical reaction. This breakthrough allows scientists to study the structure and behavior of proteins at the atomic level, shedding light on the chemistry necessary for life.
Researchers found no association between cancer and a decreased risk for Alzheimer's disease, contrary to previous studies. Higher mortality rates among cancer patients suggest other factors contribute to the development of the neurodegenerative disorder.