A new study in PLoS Medicine argues that doctors should disclose off-label prescribing to patients to ensure informed consent and shared decision-making. Off-label prescriptions, which account for half of all US prescriptions, are often not supported by sound scientific evidence and can pose serious risks to patients.
A new model demonstrates that functional hierarchy in the brain is linked to both time and space, contradicting previous literature. The study uses humanoid robots to show how neural activity can self-organize through multiple timescales, shedding light on the underlying mechanisms of neural systems.
Researchers propose that organisms can learn environment rules and develop modular designs storing history information in their genome, generating useful novelties for new environments.
A comprehensive study of lion populations in Africa and Asia found evidence of genetic diversity, even in well-studied ecosystems. The research highlights the need to prioritize conservation efforts for declining populations over larger-scale initiatives.
A genetic mutation in Dalmatians causes high uric acid levels leading to bladder stones, a problem also affecting humans. Researchers identified the SLC2A9 gene responsible and plan to offer DNA testing for breeders to eliminate the trait.
A Harvard-based study found that children who studied a musical instrument for at least three years outperformed those with no instrumental training on tests of verbal ability, visual pattern completion, auditory discrimination, and finger dexterity. The longer the child practiced, the better they scored in these areas.
A new study published in PLOS Medicine found that at least 421,000 envenomings and 20,000 deaths from snakebites occur annually worldwide. The countries with the highest estimated annual envenomings and deaths are India, followed by sub-Saharan Africa.
Researchers identified localized clusters of dengue cases in rural Thai villages, suggesting that targeted mosquito control measures could reduce transmission. The study's findings provide valuable insights into the spread of dengue virus and inform potential prevention strategies.
A new mouse mutant has been identified that mimics human progressive hearing loss, with features in common with existing forms of deafness. The mutation affects the Atp2b2 gene, leading to degeneration of hair cells in the inner ear.
A team of researchers has characterized a large number of parasite proteins that may prove useful in the development of a human malaria vaccine. These proteins are essential for sporozoite development, which can be genetically inactivated to stimulate an immune response.
A new study challenged conventional notions about salmon survival, finding that juvenile salmon in two west coast rivers had similar survival rates despite the presence of extensive dam networks. The study used tagging and tracking technologies to track small juvenile Pacific salmon from freshwater to ocean destinations.
Off-label prescription of a drug is generally legal, but promotion of off-label uses by drug manufacturers is illegal. Drug companies employ techniques such as the 'decoy indication' and using unlicensed representatives to promote off-label use, potentially putting patients at risk.
Two studies published in PLOS Medicine show that increasing flu vaccination rates can decrease the burden of influenza. A universal immunization program in Ontario led to reductions in flu-related deaths, hospitalizations, and emergency department visits compared to other provinces.
Researchers found that sulfonylurea treatment failure is not due to cell death, but rather permanent depolarization of potassium channels. Reversible effects on insulin release were observed in mice treated with slow-release sulfonylureas.
Researchers propose a simple model of development that explains patterns in morphology and body plans, attributing sparseness of variety to interactions between multiple genes. The hybrid developmental-phylogenetic model reproduces fossil record patterns, including increasing variation among taxonomic groups and decreasing within.
A recent study published in PLoS Computational Biology reveals that the human brain plans movements by integrating biological and environmental constraints. The researchers discovered a mathematical principle that predicts short periods of muscle inactivation during arm movements, which is a novelty in motor control studies.
Researchers found strong associations between markers of inflammation and coagulation and increased risk of death from non-AIDS diseases. Biomarkers IL-6 and D-dimer levels were unchanged in patients receiving continuous ART treatment, suggesting a link to intermittent ART.
A project called inSPOT uses electronic postcards to assist people in disclosing an STD diagnosis to their sexual partners. This system has been shown to increase partner notification rates, contributing to better disease prevention and control outcomes.
A systematic review and meta-analysis found a strong association between proteinuria and the risk of coronary heart disease. The study suggests that markers of kidney dysfunction may be used as indicators for coronary heart disease risk, highlighting the importance of monitoring kidney function in patients with cardiovascular disease.
A safety and efficacy study found tribendimidine to be effective against hookworm, large roundworm, whipworm, threadworm, and tapeworm infections. The new drug cured up to 92% of soil-transmitted helminth infections in a highly endemic setting in China.
A study by PASS International found that transportation costs and lost earnings significantly contribute to abandonment of treatment. The researchers propose decentralizing treatment to reduce economic burdens on families. Decentralized approaches may improve access to efficient treatment in low-income settings.
A randomized controlled trial found that high-dose vitamin K1 supplementation did not protect against age-related bone mineral density (BMD) decline in postmenopausal women with osteopenia. However, the study suggested that vitamin K1 may reduce fracture and cancer risk in these women.
Researchers have identified a new gene, Toll-like receptor 8 (TLR8), that may contribute to human vulnerability to pulmonary tuberculosis. The study found that males are more susceptible than females to the disease.
Researchers have developed a new tool to investigate the rice genome, covering nearly all 45,000 genes. The microarray reveals genes crucial for responding to light and stresses, including those involved in photosynthesis and photorespiration.
The study found that the LYF elimination programme has prevented 6.6 million children from acquiring LF and stopped another 9.5 million people already infected from progressing to more debilitating stages. The programme's success is attributed to its rapid scale-up, delivering what experts call a 'best buy' in public health.
A team of researchers argues that current publication practices create an extreme imbalance between the abundance of supply and limited venues for publication, leading to unrepresentative results. This distortion affects the broader scientific community, as only a small proportion of research findings are selected for publication.
A study found that male birds' brains are activated in 'reward' areas when they sing to attract females, similar to the brain response to addictive drugs. This suggests that social interactions, like courtship, can activate the same brain reward circuits as natural and artificial rewards.
Researchers suggest that melanin-based signals in animals may signal their capacity to fight off free radicals and oxidative damage. The study found that reducing glutathione levels increased the size of black stripes in birds' feathers, indicating a link between antioxidant resources and signaling costs.
A new study finds that birds have a 'thumb' due to gene expression similar to alligators, not mice. The research rekindles the hypothesis of a developmental frameshift in the evolution of bird wings.
The sandfish lizard's unique movement pattern through sand, characterized by a fixed leg motion at 3 Hz frequency, has been studied using MRI scans. This efficient locomotion allows the animal to move quickly and with minimal energy, inspiring new technological approaches for handling granular materials.
A new study published in PLOS ONE suggests that the first egalitarian societies may have appeared tens of thousands of years ago, driven by the social brain hypothesis. The research uses a complex mathematical model and large-scale numerical simulations to explore how alliances can emerge in groups, leading to a phase transition toward...
Researchers have discovered a link between Epstein-Barr virus (EBV) protein and cancer development. EBNA1 protein disrupts structures in the nucleus of nasopharyngeal carcinoma cells, interfering with tumor-suppressive processes. This finding raises the possibility that EBV could play a role in other cancers.
A new study published in PLOS Medicine found that birth size is a significant marker of susceptibility to breast cancer later in life. The research analyzed data from over 600,000 women and discovered that a 0.5 kg increase in birth weight was associated with a 7% higher risk of breast cancer. Birth length and head circumference were a...
Researchers found that polygyny leads to an excess of genetic diversity on the X chromosome compared to autosomes. The process also results in fewer unique male genes being passed into the next generation.
A recent survey found that trachoma affects over 15% of adults in Ayod county, Sudan, with severe consequences for public health. The SAFE strategy is being implemented to prevent the spread of infection and treat blinding trachoma.
According to a new analysis, NTDs as a group may have surpassed HIV/AIDS, tuberculosis, and malaria as the most prevalent infectious diseases in Latin America and the Caribbean. The region is home to approximately 200 million people affected by NTDs, including intestinal worm infections and Chagas disease.
A new study found that half of FDA-approved drug trials remained unpublished five years after approval. The most important trials determining efficacy were more likely to be published. This selective reporting bias may lead to an inappropriately favorable record of a drug's true risk-benefit profile.
A study found that hookworm infections are prevalent among pregnant women in sub-Saharan Africa, linked to lower haemoglobin levels and increased risk of anaemia. The research estimates that over 37 million women of reproductive age are infected with hookworms, highlighting the need for effective deworming treatment policies.
A study published in PLOS ONE found a strong link between digit length and voluntary exercise, contradicting previous research on male aggression. The findings indicate that prenatal stress hormones play a key role in shaping the desire for physical activity.
A new study published in PLOS ONE reveals that emotional information plays a crucial role in face recognition for individuals with developmental prosopagnosia. The research found that facial expressions and bodies can be used to design more effective assessment and training programs.
Researchers captured spore discharge mechanisms using ultra-high-speed cameras, revealing that fungi propel spores with explosive pressure loss, similar to inkjet printer nozzles. This breakthrough has implications for plant disease control, terrestrial ecology, and biomimetics.
A new model predicts long-term survival of critically ill patients based on seven commonly collected clinical variables. Age and co-morbidity have a significant impact on survival rates, with age being the most critical factor.
Researchers developed a method to preserve and visualize SARS-coronavirus replication complexes, revealing the dependence on modified host membranes for viral replication. The study provides insights into the interplay between viral proteins and host membranes, opening doors for new antiviral strategies.
A study published in PLOS Biology reveals the molecular structure of COUP-TFII, a nuclear receptor regulating gene expression in cells. The findings suggest potential drug targets for diseases related to heart development, human embryonic development and female infertility.
Researchers argue that traditional informed consent processes may no longer be sufficient for long-term studies using biological materials. New approaches, including ongoing communication with participants, are needed to ensure participants' rights are protected.
Research found that only 8.5% of patients accounted for 98% of guinea pig TB infections, highlighting the high infectiousness of inadequately treated drug-resistant TB patients. Implementing TB infection control measures can prevent airborne transmission in healthcare facilities.
A recent study found that European American couples tend to prefer MHC-dissimilar mates, suggesting a biological component to mate choice. In contrast, African couples showed no significant MHC similarity or dissimilarity.
A survey of 200 community-based schizophrenic patients found that 74.5% were treated with off-label medication, with the most common combination being an antipsychotic and mood stabilizer. The study highlights the limitations of first- and second-generation antipsychotics and the need for improved treatment outcomes.
Researchers discovered that giant honeybees' shimmering behavior acts as an anti-predatory defense, forcing hornets to hunt free-flying bees rather than nesting bees. This unique trait is linked to the hornet's flight speed and proximity to the nest.
A study of 2 million people and 22 cancer registries found that African Americans and Asians living outside the US have higher death rates from lung cancer than Europeans. Lung cancer risk among never smokers is not increasing, contradicting previous research.