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.
Research at University College London found that genetic differences are responsible for the majority of variation in face recognition ability among individuals. Identical twins showed a stronger correlation in their face recognition skills compared to non-identical twins, indicating a significant role of shared genes.
The European Commission's Joint Research Centre has released a new guidance document that harmonizes validated testing methods for food allergens, increasing consumer protection and facilitating international trade. This development is crucial for labelling of food products and avoiding allergic reactions.
Researchers found that a cocktail of compounds from the beneficial fungus Muscodor albus can effectively control destructive pests in crops like wheat and apples. The fungus' volatile organic compounds killed or repelled up to 100% of certain pest species, offering a biologically based solution for pest management.
Scientists in Australia have developed a novel method to stitch together microfluidic analytical devices using ordinary cotton thread and sewing needles, promising revolutionary applications in medicine and environmental sensing. This simple and relatively low-cost approach uses the wicking properties of cotton thread to transport flui...
Scientists at the University of Edinburgh have created a low-cost, fast, and accurate DNA test that can identify a person's risk of developing certain inherited diseases. The technology uses chemical analysis and can analyze DNA in a saliva sample, potentially leading to improved personal diagnosis and prompt treatment.
A new study published in Child Development found that children who spend more time in institutional care perform worse on tests of visual memory and attention, but make significant cognitive advances once adopted. Early deprivation can have lasting impacts on brain development.
Researchers at Yale School of Medicine have developed a simple urine test to rapidly predict and diagnose preeclampsia in pregnant women. The Congo Red Dot Test accurately predicted preeclampsia in a study of 347 pregnant women, allowing for better preventive care.
Researchers developed a simple blood test to predict which idiopathic pulmonary fibrosis (IPF) patients are likely to become severely ill. The test targets immune cells called CD4 T-cells, which lose their CD28 protein markers as disease severity increases, indicating a greater likelihood of grave illness.
A new study found that men diagnosed with prostate cancer in the US face a higher risk of suicide and cardiovascular death, particularly during the first year after diagnosis. The study suggests that providing emotional counseling and support for patients newly diagnosed with cancer may be essential to mitigate this risk.
Researchers are testing whether simulation driving can improve Parkinson's patients' driving skills and reduce their threefold increased risk of car accidents. The five-week training program involves simulator-based driving tests and on-road evaluations to assess the impact of cognitive-improving activities.
A new study published in Neurology suggests that cognitive decline, regardless of dementia diagnosis, may increase the risk of stroke. The researchers found that men who scored lower on a mental test measuring planning and executive function were three times more likely to experience a stroke or brain infarction.
A University of Kentucky researcher is studying respiratory weakness as a factor in ICU morbidity, which can lead to prolonged stays and lengthy recovery times. The study aims to develop new treatments that could slow down muscle wasting and reduce reliance on mechanical ventilation.
A recent study by Johns Hopkins Medicine found that pediatricians often fail to follow up with families after referring children with suspected developmental delays for further testing and treatment. This can lead to delayed treatment and poorer outcomes for these children. The study highlights the need for improved referral systems an...
Researchers at UC San Diego are launching a project to improve communication and data-sharing among emergency officials during disasters. The new system aims to overcome obstacles such as unreliable wireless networks, staggering arrival times of responders, and rapidly changing infrastructure capabilities.
A long-term study of over 1,000 New Zealanders found that children who later developed schizophrenia showed early cognitive deficits in verbal and visual learning, reasoning, and processing speed. These deficits persisted as they grew, with the children losing mental age at a rate comparable to those without schizophrenia.
A mussel-inspired sealant has been developed for repairing defects in human fetal membranes, showing promise as a biocompatible and effective solution. The sealant, inspired by the sticky properties of mussels, can seal tiny holes in the membrane without causing cell death.
A breakthrough blood test for diagnosing schizophrenia could become available in 2010, marking a significant shift from traditional brain-based diagnostic methods. The test leverages biomarkers detected in the blood and other bodily fluids to provide a real-time picture of the disease.
Scientists have created antibodies in llamas to detect seven types of botulinum neurotoxins, which are highly toxic and can cause paralysis. These llama antibodies, called single domain antibodies, may play a role in future anti-botulism treatments and could improve biosensors for detecting toxins.
A recent study by Université Laval found that TBI victims may experience persistent motor deficits despite regaining normal walking speed. The research suggests that even in simple situations, the affected individuals show decreased speed and response times when faced with obstacles or sensory distractions.
Researchers at University at Buffalo show that a controlled individualized exercise training program can relieve nearly all post-concussion syndrome (PCS) symptoms. The study found that participants who exercised regularly at levels below symptom onset experienced significant improvement, with athletes recovering faster than non-athletes.
A two-part special issue published in the journal Homeopathy explores experiments on homeopathic treatments using biological models, including whole animals and plants, cell cultures, and enzymes. The study found that seven different biological models of high dilution response yielded consistently positive results.
The study found that post-Katrina primary care clinics in New Orleans provided efficient and affordable healthcare to low-income and uninsured patients. The clinics reported lower instances of medical debt, delayed appointments, and inadequate communication with doctors compared to the general population.
Researchers aim to improve methods for screening and testing glaucoma, a disease affecting 70 million people worldwide. The study will focus on optimizing perimetry testing and developing new statistical methods to compare different clinical measures.
Researchers found that watching or thinking about someone with good self-control makes others more likely to exert self-control. Conversely, people with bad self-control influence others negatively. The effect of self-control is so powerful that subliminal exposure can change behavior.
A study by Prof. Talma Kushnir found that physicians' moods significantly affect their professional behavior, including communication with patients, medication prescriptions, and referral to specialists. On good mood days, doctors tend to talk more and prescribe fewer medications, while on bad mood days they do the opposite.
A Johns Hopkins Children's Center study found that even small amounts of lead in healthy children's bodies can impair kidney function, with those having higher levels showing decreased kidney filtration rates. The researchers measured kidney function using two tests and found a link between higher lead levels and worse kidney function ...
Researchers at OSU and UGA developed a faster, easier, and less expensive test to detect Haemonchus contortus, a parasitic worm causing significant production losses in the global sheep and wool industry. The new lectin staining test allows for quick feedback on anemia status and parasite burden.
Researchers developed a mathematical methodology to reduce biologic variation in laboratory results, improving the sensitivity of detecting physiologic changes. By using multiple paired sets of patient data, they found a substantial decrease in the difference necessary to achieve a given confidence interval.
A new study has strengthened a family-strengthening intervention program, showing improved parental anger control and more positive relationships with children. The adapted program aims to prevent poor outcomes in teens, such as substance use and risky behavior.
Two studies find that routine self-monitoring of blood glucose levels by people with type 2 diabetes who are not taking insulin is an ineffective use of health-care resources due to significant cost of test strips. Expenditures associated with blood glucose self-monitoring in Canada are projected to exceed $1 billion.
A study found that patients with kidney disease experienced disrupted sleep when using a widely used blood pressure monitor, leading to inaccurate results. The ambulatory blood pressure monitoring test, which measures blood pressure during sleep, can interfere with sleep patterns, causing an increase in nighttime blood pressure.
Austrian researchers have developed a new electrophoretic method, SARCOSYL-PAGE, to detect MIRCERA and other erythropoietins (EPO) in the blood. The technique enhances sensitivity for MIRCERA while maintaining performance for detecting other EPOs.
A study in northeastern Italy found a decrease in cystic fibrosis incidence with increased carrier screening, particularly in the eastern region. The rate of decrease was greater in the eastern region due to extensive use of mutation analysis.
A new study published in Clinical Gastroenterology and Hepatology found that combining sigmoidoscopy and fecal immunochemical test (FIT) improves CRC detection by 10 percent. This combination is particularly useful for communities with limited colonoscopy access, as it allows for more effective screening of advanced proximal tumors.
According to a University of Michigan report, physicians can safely skip pre-surgery stress tests and beta blockers for patients with stable heart disease. This change could save lives and reduce costs by 50-70%. The new guidelines recommend reserving these medications for high-risk patients undergoing complicated surgeries.
Researchers at Newcastle University have scientifically proven the pain-relieving properties of Hyptis crenata, a traditional South American herb. The study showed that the herbal tea was as effective as Indometacin in relieving pain, with results comparable to synthetic aspirin-style drugs.
A recent study found that only 60% of pregnant women in Eastern and Southern Africa were tested for HIV in 2007. The authors suggest that women may be avoiding testing due to opt-out policies or concerns about the stigma associated with HIV. This highlights the need for increased awareness and access to HIV screening in these regions.
Researchers detected SARMs, such as Andarine, on the black market, raising concerns about their potential misuse in sports. The study highlights the need for early implementation of screening for emerging therapeutic compounds in sports drug testing.
The study found that older women have almost twice as many immune-related proteins in their saliva than younger women. This discovery could lead to a simple, noninvasive test for diagnosing and treating age-related diseases in women.
A study of 2,234 initially healthy men and women found no adverse effects from brief episodes of exercise-induced ventricular tachycardia. Regular exercise is still recommended for overall heart health without restrictions.
A UCI embryonic stem cell treatment has shown promise in restoring limb function in rats with neck spinal cord injuries. The therapy may also benefit individuals with cervical damage, which currently lacks effective treatments.
A study of 28 children aged 8-13 found that half with autism scored below 80% on handwriting assessments, compared to only one child without autism. Therapies targeting motor skills may help improve handwriting in children with autism, essential for school success and self-esteem.
The US Department of Homeland Security's new multi-band radio technology aims to improve communication among first responders during emergencies. The radios can work on five frequency bands currently used by state and local first responders, as well as four exclusive federal government bands.
A study found that smoking one cigarette increases arterial stiffness by 25% in 18-30 year olds, making the heart work harder. Young adults aged 20-24 years have the highest smoking rate, with even light smoking causing damage to their arteries.
A study published in Journal of the American Geriatrics Society found that older patients with dementia are diagnosed with flu less frequently, have shorter hospital stays, but a higher rate of death. The study highlights the need for refined guidelines on flu immunization and treatment in this vulnerable population.
Researchers are empowering Bengali women and children to identify contaminated water sources, helping them make informed decisions about where to dig wells. They're also providing testing kits to detect high levels of arsenic in the water.
Researchers at Vanderbilt University have received funding from the Gates Foundation to develop a simple and low-cost diagnostic test for malaria using the coffee ring stain phenomenon. The test has the potential to be more reliable and shelf-stable than existing methods, which require refrigeration and highly trained technicians.
A study by Ohio State University researchers found that mice housed in a lighted room for 24 hours a day exhibited more depressive symptoms than those with normal light-dark cycles. However, mice that lived in constant light but could escape showed less evidence of depressive symptoms.
Researchers at Duke University found a clear dose-response pattern between lead exposure and test performance, with the effects becoming more pronounced as lead levels increase. Early childhood exposure to lead accounts for 7-16% of decline in test scores, while family poverty status accounts for 25-28%, and parental education for 58-65%.
Researchers have developed a highly sensitive PSA assay using nanotechnology, enabling early detection of prostate cancer recurrence and improving treatment outcomes. The new technology has the potential to redefine the PSA 'zero' level, allowing for earlier diagnosis and targeted therapies.
Children with a history of diabetic ketoacidosis may experience persistent memory issues, according to a new study from UC Davis. The research highlights the importance of maintaining glucose control and prompt diagnosis of new cases.
A new study has established that the CRAFFT diagnostic test can identify teens at risk of engaging in high-risk sexual behaviors, including unprotected sex and multiple partners. The test also found a significant association between substance use and increased odds of having sex without protection.
Archived patient tissue specimens can be used to indirectly test biomarkers, providing a more efficient alternative to traditional prospective studies. The authors argue that this approach can help establish the medical utility of prognostic and predictive biomarkers.
Scientists have developed a simple and portable method to detect tuberculosis (TB) bacteria using light, which may help identify people with latent infections. The technology, if refined, could be used in the developing world where most TB cases occur.
A study found that trunk flexibility is associated with arterial stiffness in middle-aged and older adults, suggesting a potential indicator for cardiovascular risk. Regular stretching exercises may slow age-related arterial stiffening, according to the authors.
Paired testing, a self-monitored testing approach, enables patients to make informed decisions about their diet and exercise habits. The study found that paired testing can help detect differences between weekend and weekday schedules and habits, facilitating positive patient self-care behaviors.
The increasing use of smart drugs to boost academic performance may necessitate routine doping tests for exam students, suggests Vince Cakic. Despite the illegitimacy of chemically enhanced academic success, nootropics are near impossible to ban due to their ready availability for therapeutic use.
A RAND Corporation study identifies key issues in designing episode-based payment approaches, including defining episodes of care and identifying accountable providers. The research highlights the need for more rapid testing of these strategies to address challenges such as multiple chronic conditions and varying provider settings.
A survey found that men largely make decisions about prostate cancer screening based on conversations with clinicians, but these discussions often do not include information about the risks of testing. Statistical modeling suggests that benefits and harms of PSA screening vary with age and risk level, with higher-risk men having more p...
Wei-Jun Qian, a PNNL analytical chemist, has been awarded $1.5 million to develop more sensitive and reliable biomarker research and clinical diagnostic tools. His goal is to create a single test for 20 diseases using mass spectrometry instruments.