Articles tagged with Medical Tests
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
An international collaboration has made identifying crucial proteins in diseases easier through improved protein analysis. The study, published in Nature Methods, reveals potential bottlenecks in current analysis techniques and highlights the importance of accurate reporting.
A North Carolina State University-developed machine allows researchers to test and refine technologies in a realistic surgical environment, saving time and money. The 'dynamic heart system' enables researchers to conduct 'proof of concept' evaluations before testing on live animals, making the development process more efficient.
A study found an association between low cognitive function and early-age related macular degeneration in older adults. The research suggests that the two conditions share similar complex pathogenesis and risk factors, including hypertension and vascular changes.
The University of Texas Health Science Center at Houston's UT nanomedicine project will be tested in space as part of a nationwide competition. The experiment aims to study the diffusion of micro nanoparticles through tiny microchannels, which could aid in developing implantable devices for controlled drug release.
A study found that exposure to small branded promotional items influenced medical students' unconscious attitudes toward marketed products. Students at schools with stricter marketing policies showed less favorable attitudes, while those at more lenient schools responded more favorably. The study suggests institutional policies can imp...
A study by researchers at the Children's Hospital of Philadelphia found that nearly all children admitted with concussions had abnormal brain function during testing. The hospital recommends a formal assessment before resuming exertional activities to prevent prolonging symptoms and repeat concussions.
Lisa Mauer, a Purdue University researcher, has developed an inexpensive and rapid method for detecting melamine in infant formula using infrared lasers and light spectroscopy. The technique can identify trace amounts of melamine at one part per million, significantly reducing the risk of contamination.
A clinical trial conducted by the University of Manchester found that No7 Protect & Perfect Intense Beauty Serum can clinically reduce wrinkles and improve sun-damaged skin. The study, which tested 60 volunteers, showed a significant improvement in facial wrinkles after 12 months of daily use.
Scientists at Karolinska Institutet have developed a simple blood test that provides accurate results, helping to ensure patients receive the right treatment. The rapid diagnostic tests (RDT) are being used in low-income countries to improve healthcare outcomes and combat malaria.
A study in Zanzibar found that rapid malaria tests reduced prescriptions of antimalarial drugs and increased treatment for non-malarial causes, while also lowering reattendance rates due to perceived lack of cure. The results suggest improved health outcomes with routine use of these tests.
A study at the University of Arizona found that remote CT colonography is feasible in rural health centers using teleradiology. Technicians performed CTC exams on 86 patients and sent data to a local server for interpretation by an off-site radiologist.
A study at Beth Israel Deaconess Medical Center found that excluding the lateral view in chest radiograph screenings decreases radiation exposure by 67%. No abnormalities were detected in the lateral view that weren
A new study by Baylor College of Medicine found that students who chewed sugar-free gum showed an increase in standardized math test scores and final grades compared to those who didn't chew gum. Chewing gum was associated with a three percent increase in standardized math test scores, a small but statistically significant change.
A team of chemists at Vanderbilt University has successfully synthesized Serratezomine A, a potentially anti-cancer herbal alkaloid, in six years through an efficient process. This achievement could lead to the development of new treatments for cancer and other diseases.
A study found that routine screening of type 2 diabetics identifies a small group at higher risk, but doesn't significantly impact overall outcome, suggesting unnecessary screening may have economic implications and unnecessary procedures.
Researchers have found that AMG 479, a fully human monoclonal antibody, can reduce pancreatic cancer cell growth by approximately 80 percent in vitro and in vivo studies. The inhibitor specifically targets the insulin-like growth factor receptor, showing promise for future clinical trials.
A Lancet study evaluated Mexico's universal health insurance program, Seguro Popular, in dozens of communities. The experiment found a 23% reduction in catastrophic health expenditures and identified areas for improvement. Researchers suggest this model could inform US healthcare reforms.
The UK Biobank project, which enlists 500,000 people to study disease development, faces criticism for its methodological flaws and lack of respect for participants' rights. The Editorial highlights issues with the consent process, including a lack of privacy and incomplete information disclosure.
Researchers have found that human heart cells develop into adulthood around age 6, with the percentage of new cells decreasing significantly with age. This discovery may lead to new pharmacological strategies to stimulate heart cell regeneration and complement cell transplantation.
A new test for invasive aspergillosis (IA) has been developed to detect the deadly fungal infection in patients with damaged or suppressed immune systems. The test uses a monoclonal antibody that binds to a glycoprotein antigen secreted by Aspergillus species, distinguishing it from similar molecules found in antibiotics and foodstuffs.
Researchers developed a test to detect early evidence of amblyopia in infants with hemangiomas of eyelids, which can lead to permanent reductions in vision. The 'sweep visual evoked potential vernier acuity' test identified abnormal brainwave responses in the eyes affected by hemangiomas.
A study of 65 female commercial sex workers found that remote screening using tampon-based self-collection was easy and preferred over traditional methods. The method proved to be more accurate in detecting gonorrhoea and Chlamydia, with a higher number of cases identified compared to traditional tests.
A noninvasive finger sensor test is highly predictive of major cardiac events for people at low or moderate risk. The EndoPAT test measures blood flow and identifies endothelial dysfunction, a condition that can lead to atherosclerosis and cardiovascular problems.
A new study found a positive link between high levels of zopiclone in the blood and impaired driving assessments. Researchers also noted that drivers with zolpidem had no such association, suggesting that these substances have varying abuse potentials.
A systematic review of 16 studies found proteinuria to be a poor predictor of adverse outcomes. However, a slight association was observed with stillbirths at a proteinuria level of 5g in 24 hours.
Phylonix received a broad US patent for its zebrafish-based assays to assess cardiac functions and toxicity. The company's eZ-ScreenTM technology enables thorough assessment of cardiotoxicity during early stages of drug development, leveraging the speed and cost-effectiveness of the zebrafish model.
Ophir Vermesh, a Caltech PhD chemistry student, has developed an innovative 'blood barcode chip' that promises to revolutionize diagnostic medical testing. The Integrated Blood Barcode Chip (IBBC) can analyze a large panel of blood-based protein biomarkers in just five minutes.
The largest randomised trial of ovarian cancer screening has shown that both the CA125 blood test and transvaginal ultrasound screening strategies are capable of detecting early stage ovarian cancers. The study detected almost half of all cancers in stage I/II, with a significant improvement in specificity for multimodal screening.
A study published in PLoS Medicine found that children of older fathers tend to perform poorly in intelligence tests during infancy and early childhood. In contrast, the same children who have older mothers exhibit better cognitive skills. The researchers suggest genetic and social factors as possible explanations for this association.
Research from Tel Aviv University found that people with type 2 diabetes are 1.5 times more likely to experience cognitive decline and 1.6 times more likely to suffer from dementia than those without the condition. Higher blood glucose levels may contribute to this relationship.
A recent study found that older adults who consume moderate amounts of alcohol perform worse on cognitive tests than their younger counterparts, despite similar blood alcohol levels. The researchers suggest that this is due to factors other than age-related declines in cognitive skills, such as changes in how alcohol affects individuals.
A commonly used questionnaire for measuring quality of life in ADPKD patients is not sensitive enough to detect physical and mental problems. The study found links between patient characteristics and physical scores, but no significant difference in quality of life scores compared to the general population.
A Northwestern University-developed optical technology accurately detects pancreatic cancer in neighboring tissue, showing promise for early diagnosis. The method uses novel light-scattering techniques to analyze subtle changes in cells, distinguishing between healthy and diseased samples with 95% sensitivity.
Research shows doodling while listening can significantly improve memory recall, with participants recalling an average of 7.5 names of people and places compared to 5.8 non-doodlers. Doodling helps maintain focus on the main task without affecting performance.
A national-level analysis confirms that Physician Health Programs, which couple referral to treatment with rapid responses to noncompliance, are successful in helping doctors stay drug-free. The study found that over three-quarters of enrolled doctors stayed sober for five years and were able to return to medical practice.
Researchers found that 16 of 24 affected workers improved with treatment, including 12 with marked improvement, while six who were not exposed to pig brain mist also showed improvements. The disease is identified as a sensory predominant polyradiculoneuropathy with an autoimmune basis.
A study published by the American College of Cardiology found that changes brought on by anger can predict future arrhythmias in patients with ICDs. Patients who experienced higher levels of anger-induced TWA were more likely to have arrhythmias requiring ICD termination.
Researchers from the University of Leicester and British Geological Survey have devised a method to identify levels of environmental arsenic by testing toenail clippings. They found elevated levels of arsenic in people living close to a former arsenic mine, but more research is needed to confirm potential health risks.
A Johns Hopkins study found that older men with PSA levels less than 3 nanograms per milliliter are unlikely to die of or experience aggressive prostate cancer. This suggests that routine PSA testing may be unnecessary for some older men, potentially reducing costs and morbidity.
Research suggests that discontinuing routine PSA screening in elderly men (75+ years old) with low PSA levels may not increase undetected lethal disease rates. Instead, it could avoid unnecessary treatments and reduce diagnostic costs. Men over 75 with PSA < 3ng/ml have a low risk of developing high-risk prostate cancer.
Researchers at Uppsala University have developed a model to calculate the appropriate dose of Waran before treatment starts. The study used data from 5,700 subjects across four regions to identify two genes, VKORC1 and CYP2C9, which can predict dosage needs for patients of European, African, and Asian origin.
A small randomized study found that robotic therapy improved physical ability in stroke patients, with more significant gains in those with lower disability at the start of rehabilitation. The study suggests that robotic therapy may be useful in reducing physical disability years after a stroke.
A study found that a longer maintenance of wakefulness test protocol is more effective in detecting excessive daytime sleepiness, but motivation can override the test's accuracy. The findings highlight the need for further research to develop more reliable methods for assessing an individual's ability to remain vigilant while driving.
Researchers found a statistically significant inverse relationship between A1C levels and cognitive test scores in people with type 2 diabetes. The study suggests that poorer blood glucose control is strongly associated with poorer memory function.
A new tracking system using personal digital assistants has been developed to monitor tuberculosis patients, significantly reducing the time it takes for test results to reach doctors from 23 days to 8 days. This innovation also eliminates the risk of lost results and is more cost-effective than traditional paper-based systems.
A Michigan State University study found that providing home pregnancy tests to women who have unprotected sex can increase their vigilance about potential pregnancy and lead to better prenatal care. The intervention resulted in women suspecting they might be pregnant almost twice as often and having a pregnancy test more frequently.
A study by American Academy of Neurology found that drivers with Alzheimer's disease commit 27% more safety errors than those without the condition. The research used off-road tests to measure thinking, movement, and visual skills, predicting driving safety.
A University of Montreal study found that Zen meditators have lower pain sensitivity both in and out of a meditative state compared to non-meditators. Meditators experienced an 18 percent reduction in pain intensity, suggesting that meditation can change the way someone feels pain.
Iowa State University researchers have developed a technique called tape-FISH that can test produce for Salmonella contamination in about two hours. This approach uses adhesive tape to collect a sample from the skin of the produce, which is then analyzed using Fluorescent In-Situ Hybridization.
A comprehensive hospital discharge program reduced re-hospitalizations by 30% and improved patient self-perceived preparation for discharge. New immunochemical fecal occult blood tests (FOBTs) vary in detecting colorectal cancer, with sensitivity rates ranging from 25% to 72%.
A study found a significant increase in quinolone-resistant gonorrhea from 2% to 28% in Ontario between 2001 and 2006. Infections among heterosexual men are linked to the rising rate of resistance.
Researchers at Yale University have identified misfolded proteins in the urine of pregnant women as a potential cause of preeclampsia. The discovery, made using proteomics and a novel dye test, offers a new approach to early diagnosis and treatment of the disease.
Researchers found a significant relationship between students' academic achievement and physical fitness in an urban public school district. Students who excelled in fitness tests also performed well on standardized math and English tests.
A study in the Journal of Consumer Research found that consumers are drawn to products near a winning streak, regardless of whether luck actually plays a role. This phenomenon, known as 'contagiousness,' influences product choice and advertising persuasiveness.
Living with a female mouse extends male reproductive life span by 20%, increasing fertility to 32 months. The effect is due to delays in sperm production and may be influenced by endocrine and nervous systems.
Researchers developed a quality-of-life survey for children, allowing doctors to understand the results in the same way they understand blood pressure test results. The survey includes questions about children's daily lives, helping pediatricians identify potential health problems.
Researchers at University of Washington developed prototype malaria test printed on disposable Mylar card that can work months later without refrigeration. The test uses microfluidics and dry reagents stabilized with sugar to retain activity after 60 days.
A Florida State University professor, Steven I. Pfeiffer, studies gifted children and dispels myths about their needs. He developed a diagnostic test to identify gifted students and advocates for programs to support them.
Researchers found that trained primary care physicians can perform colonoscopies with a low complication rate and high polyp detection rate, comparable to specialists. This fills the gap in colorectal cancer screening as the US population ages and demand for screenings grows.
A recent study by the American Society of Agronomy found that low levels of herbicides can harm potato plant reproduction. The research revealed that tuber yield and quality can be affected even at rates below those causing vegetative growth reduction or injury.