A study found that only half of the identified ethical issues in dementia care were addressed in national clinical practice guidelines. Four critical issues, including advance directives and coercive medication, were consistently overlooked. The authors emphasize the importance of addressing these issues to improve patient care and pro...
A new study published in PLOS Pathogens highlights the importance of balancing the gut microbiome to prevent food-borne infections. The researchers found that SIGIRR protein plays a critical role in protecting the gut against bacterial pathogens, and its dysfunction can lead to increased susceptibility to colonization by harmful microbes.
Research found that five-to-six-year-old children are more likely to exhibit altruistic behavior towards peers who demonstrate helpfulness. Observing positive interactions with other children evokes positive emotions and encourages bystanders to reciprocate with kindness.
Research published in PLOS ONE found that physical handicaps like being tied down make men overestimate an opponent's size and underestimate their own. This effect persists even when anxiety is ruled out, suggesting an automatic processing of physical capacities towards potential conflicts with others.
Research suggests that believing in precognition can provide a psychological boost to perceived control, particularly when individuals feel a loss of control. People who experienced loss of control reported increased belief in precognition and subsequently felt more in control.
A study published in PLOS ONE found that dogs yawn contagiously and respond more frequently to their owner's yawns than a stranger's. The researchers suggest that this may be an emotionally connected behavior similar to humans.
Researchers have identified a novel component, Par-1, of the Hippo signaling pathway, which influences Hippo protein phosphorylation and regulates organ growth. The study found that Par-1 negatively regulates Hippo kinase activity, promoting apoptosis and reducing tissue growth.
A new study in PLOS Medicine suggests that CD4 counts are a suitable alternative to viral loads for monitoring treatment and determining when to switch antiretroviral therapy in adults with HIV. The study found that the two approaches had similar outcomes, providing reassurance for healthcare centers using CD4 counts alone.
Research found that responses to placebos are influenced by diverse factors including route of administration, environmental cues, and learning. Participants' expectations correlated with pain thresholds and tolerance, suggesting a complex relationship between placebo effects and individual traits. Sham acupuncture's effect on genuine ...
Research found that eating lunch with friends reduces cognitive control and calms individuals, while improving social harmony. The study suggests that reduced cognitive control can be beneficial in situations where social harmony or creativity is desired.
Researchers developed statistical models that predict individual women's risk of each cancer based on commonly known risk factors. The models were able to accurately calculate risk ranges from 0.5% to 29.5% over the next 20 years, providing a valuable tool for clinical decision-making.
A recent study by UK and Canadian researchers found that reducing patient drug co-payments can lead to improved hypertension control and treatment adherence in countries without universal healthcare. The authors suggest minimizing medication co-payments as a way to improve outcomes for high blood pressure patients worldwide.
Researchers have developed a tiny, light-controlled gold particle that can release DNA controls to switch blood clotting on and off. This two-way switch relies on selective release of different DNA molecules from gold nanoparticles under different laser wavelengths.
Researchers found that a speaker's ability to act on their words influences listeners' brain responses, with more impactful statements made by political figures. The study used brain scans to compare responses to implausible statements from high and low-status speakers.
A recent study published in PLOS ONE reveals that experiencing weight discrimination increases the likelihood of becoming and staying obese. Researchers analyzed data from over 6000 participants, finding a significant correlation between perceived weight discrimination and obesity rates.
A study found that professionals overestimate applicants' abilities due to favorable circumstances, inflating qualifications and failing to account for school performance. This attribution error affects graduate school admissions and job evaluations.
A systematic review of guidelines for in vivo animal experiments identified key procedures to enhance preclinical efficacy studies. Researchers recommend prioritizing sample size calculation, randomized treatment allocation, and disease phenotype characterization to improve clinical relevance.
Researchers have identified a pathway of self-destruction that triggers the spread of cell death in worms, causing a 'blue Grim Reaper' to track death through the body. This discovery sheds light on how ageing causes death and provides insights into preventing it.
A systematic review and meta-analysis found that barriers to preventing malaria in pregnant women are consistent across sub-Saharan African countries. Common issues include unclear policy, healthcare facility shortages, and confusion among providers, delaying antenatal care and impacting uptake of interventions.
Sauropod dinosaurs like Diplodocus and Camarasaurus replaced their teeth frequently, with some species replacing up to one tooth every 62 days. This constant growth and replacement was likely caused by the high amount of plant food they consumed, which led to extensive tooth wear.
Research published in PLOS ONE found that bodychecking rules didn't decrease concussions in elite hockey. Concussions were caused by body-checking 64% of the time, while illegal incidents accounted for only 28%. The authors suggest stricter enforcement or additional rule changes may be needed to reduce injury risk.
Sickle cell anemia is projected to increase by 33% from 2010 to 2050, primarily affecting newborns in sub-Saharan Africa. Implementing basic health interventions could significantly reduce death rates among children under 5 with the condition.
A new article in PLOS Medicine highlights the importance of routine systematic reviews and meta-analyses of animal studies. The authors argue that funding agencies should subsidize these reviews to reduce waste and duplication of animal studies, while an international register for animal studies is also recommended.
A new study reveals substantial bias in animal studies reporting, which may lead to misleading conclusions about potential treatments' effectiveness in humans. The researchers analyzed 160 meta-analyses of animal studies and found that over twice as many studies reached statistical significance than expected.
Researchers found that acoustic features of music influence walkers' stride length and speed, regardless of tempo. Participants who walked to faster-paced music were more likely to rate it as bad or aggressive.
A study published in PLOS ONE found that children with high proportions of polyunsaturated fatty acids (PUFA) in their cord blood are more likely to develop respiratory and skin allergies. The researchers discovered that omega-3 and omega-6 PUFAs were particularly associated with an increased risk of allergy development.
Researchers tracked thresher shark activity and analyzed instances of tail-slapping to stun or kill sardines. The study highlights the diversity of shark hunting strategies in the ocean, where top predators adapt to prey's evasion behaviors.
A study of data from Scotland found that abortion was a strong risk factor for subsequent preterm birth in the 1980s, but this link weakened and disappeared over the next 20 years. Modern methods of abortion reduced the risk of spontaneous preterm birth.
Mycobacteria have developed a new process called Distributive Conjugal Transfer, which allows them to mix genomes like sexual reproduction. This process enables the creation of patchwork genomes with benefits such as increased variation and adaptability.
A new study suggests that implementing smoke-free laws and increasing tobacco taxes in India can reduce cardiovascular disease deaths, potentially preventing 9 million deaths by 2022. The findings are based on a mathematical model that considered unique populations with different risk factors.
A new study found that birds can survive climate change through phenotypic plasticity, a flexibility in behavior. This adaptation enables them to track environmental changes, increasing their chances of survival. However, slow-reproducing species are more vulnerable to extinction due to the need for precise adaptations.
Researchers analyzed over 160,000 tweets from personal accounts, corporate accounts and bot-controlled accounts to develop a method to predict when new tweets would be posted. The study found that individual tweeters were most active in the afternoons and evenings, while corporate-managed accounts tweeted during work hours.
A study published in PLOS ONE found no correlation between playing violent video games and reduced prosocial behavior. In experiments, participants helped pick up pens at a rate of 40-60%, regardless of the game played.
Researchers have identified genetic markers associated with salamander tail regeneration and found that the width of the tail influences regrowth pace. The study suggests local factors at the site of injury regulate regenerative outgrowth, contributing to differences in regeneration among animals.
Research finds that socioeconomic status is strongly associated with an increased risk of developing type 2 diabetes, with chronic inflammation being a key mediator. The study analyzed data from the Whitehall II cohort study, which followed over 10,000 British civil servants since the mid-1980s.
A new automated diagnostic test can rapidly identify the most common causes of Gram-positive bacterial blood stream infections and detect three antibiotic resistance genes. The test takes about 2 hours to run and provides faster diagnosis, enabling early treatment of patients with sepsis.
Research by Evan MacLean and colleagues found that lemur group sizes positively correlate with performance on tests of social cognition. In contrast, nonsocial cognitive skills were not affected by group size. The study suggests that the evolution of complex social intelligence may be linked to larger social networks.
Runners in a 200-mile Alpine ultramarathon experienced less muscle damage and fatigue compared to those who ran 103 miles. Protective pacing strategies, combined with sleep deprivation effects, may induce relative muscle preservation.
Patients with strokes often encounter barriers in receiving adequate care due to fragmented services and poor communication. Systematic review findings highlight the need for health systems to prioritize patient needs over healthcare systems.
A study questions the 'read-through' drug PTC124's efficacy, suggesting it may not work as intended. Researchers found that PTC124 deceives a screening system rather than causing read-through, casting doubt on its effectiveness in treating genetic diseases like cystic fibrosis and Duchenne muscular dystrophy.
A recent study published in PLOS Medicine found a causal relationship between adiposity and heart failure, as well as elevated liver enzymes. The research analyzed genetic data from nearly 200,000 individuals and discovered that higher BMI is associated with increased risk of heart failure and other cardiometabolic traits.
According to a study published in PLOS ONE, the flu vaccine likely prevented approximately 13 million illnesses and over 110,000 hospitalizations in the US between 2006 and 2011. The researchers estimated this impact based on vaccination coverage and vaccine effectiveness.
A study published in PLOS ONE suggests that Mesolithic humans transported banded wood snails from southern France to Ireland, based on genetically identical snails found in both regions. The research provides insight into the ancient human migration patterns and their impact on the local ecosystem.
A new study finds that global crop yields are increasing at a slower rate than needed to meet projected demands in 2050. The top three countries producing rice and wheat have low yield growth rates, highlighting the need for targeted investments to increase production.
A study published in PLOS Medicine found that twice weekly iron supplementation is equally effective to daily supplementation in improving birth weight and infant growth outcomes. In contrast, it showed improved cognitive development in infants aged six months and higher adherence rates among pregnant women.
A survey of adult South African men found that approximately one in 20 reported consensual sex with a man, while one in ten reported being sexually assaulted by another man. The study highlights the need for targeted HIV prevention messages and addressing male-on-male sexual violence.
Researchers from McMaster University suggest that menopause is an unintended outcome of natural selection caused by male preference for younger female mates. This study proposes a new explanation for why humans developed menopause, challenging the long-held grandmother theory.
Researchers found a strong correlation between high altitude and spoken languages that use ejective consonants. Ejectives are absent in the English language, but were found in languages spoken on or near five out of six major high-altitude regions.
The analysis of fossil kangaroo teeth reveals a diverse prehistoric habitat in southeastern Queensland, including tropical forests, wetlands, and grasslands. The findings suggest that extinct marsupials occupied specialized dietary niches, contradicting previous assumptions about the region's aridity.
Researchers found that 10-month-old infants preferentially reach for the victim rather than the aggressor in an animated sequence test. This suggests that infants may exhibit rudimentary sympathy toward others in distress based on their evaluation of roles in interactions.