Articles tagged with Blood
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.
Researchers found that executive cognitive functioning is more impaired during the descending limb of the blood alcohol concentration curve, when people no longer feel stimulated by alcohol. This effect lasts much longer than previously believed, with significant ramifications for behaviors like driving and aggression.
A new study by Dr. Sandor Joffe found that wireless capsule endoscopy was more effective than a small bowel series in finding the cause of patient symptoms, including vascular malformations and bleeding. However, the procedure has some downsides, including long wear time for data receiver.
A new radiology procedure has been shown to alleviate pain caused by uterine fibroids, with all nine patients experiencing significant symptomatic improvement. The procedure involves blocking blood flow to the affected area using special particles or spheres, resulting in normal menstrual periods and no hormonal changes.
The editorial highlights China's slow information-gathering from rural districts and secretive attitude to national health statistics as major challenges. A concerted effort to compile accurate statistics on HIV/AIDS prevalence could demonstrate China's ability to learn from its mistakes and acknowledge global responsibilities.
A new study published in the New England Journal of Medicine found that even low levels of lead exposure can cause intellectual impairment in children. The researchers discovered that most of the damage to intellectual functioning occurs at blood lead concentrations below 10 micrograms per deciliter.
A study by Cornell University scientists found that children suffer intellectual impairment at blood-lead concentrations as low as 10 mcg/dl, even below the current CDC acceptable limit of 25 mcg/dl. The amount of impairment was most pronounced at lower levels, with a decline in IQ scores of up to 7 points.
A new study from Michigan Medicine found that alcohol increases a person's vulnerability to injury in car crashes, regardless of blood-alcohol level. Drivers and passengers with any amount of alcohol in their system were more than one and a half times as likely to experience serious injuries, which severity was also 30% higher.
A study published in The Lancet found that retrograde catheterization of the aortic valve can lead to clinically silent cerebral embolic lesions, with a substantial risk of structural ischaemic brain damage. Patients undergoing this procedure are at risk of clinical neurological complications, including impaired neurological function.
Researchers tested a combination of caffeine and ethanol, called caffeinol, in human patients after ischemic stroke. The study found that the combination reduced brain damage by up to 80% in previous animal studies, with human results showing similar protective effects.
Researchers discovered that one out of six patients with a history of atrial fibrillation had asymptomatic episodes, highlighting the need for regular blood thinning to prevent stroke. The study suggests doctors should assume the worst when treating patients at risk of atrial fibrillation and stroke.
Women with circulating tumor cells in their blood have a median survival of less than 24 months, compared to over 24 months without them. The presence of cancer cells in the blood predicts prognosis more accurately than other factors, indicating a possible link between blood-circulating tumor cells and aggressive breast cancer.
Researchers found that nearly seven percent of stroke patients with a-fib experienced strokes after discontinuing warfarin for medical procedures. The study highlights the risk of stroke in a-fib patients and suggests a more conservative approach to anti-clotting medication management prior to surgery.
A quadruple test that measures four maternal blood markers is more effective than earlier single marker tests in detecting Down's syndrome pregnancies. The test detected 81% of Down's syndrome cases, while a single marker test detected only 51%.
ApoB is a more robust indicator of cardiac events than cholesterol levels, according to MUHC cardiologists. Measuring apoB can help identify patients at risk of heart attacks even if their cholesterol levels are well-controlled.
Researchers at Baylor College of Medicine found that a specific enzyme is associated with high levels of HDL, which may have both positive and negative effects on cardiovascular health. The study suggests that the enzyme's impact on cholesterol transport to the liver could be beneficial or detrimental.
The Prevention of Recurrent Venous Thromboembolism trial found that low-dose warfarin prevents episodes of deep vein thrombosis and pulmonary embolism with a significant reduction in risk. The study showed no major bleeding complications, making it an effective and safe treatment option.
Researchers found that cardiac surgery patients with the factor V Leiden gene variant lost less blood and required fewer transfusions than those without the mutation. The study suggests a new approach to personalized medicine, tailoring therapies based on individual genetic risk factors.
A study published in Archives of Neurology found that Parkinson's patients treated with levodopa have higher levels of homocysteine, a risk factor for heart disease and dementia. The study suggests that monitoring homocysteine levels may be necessary for patients at risk of heart disease.
The behavior of punishing others for their injury is widespread in the animal kingdom, with humans adding a conscious sense of what to achieve through revenge. This leads to complex social rules governing who can be targeted and when, often prioritizing balance over personal relationships.
The new mat mimics natural clotting processes by creating fibers of similar dimensions to those found in the body. It can be used for minor cuts or severe battlefield wounds, promoting clotting and eventual absorption by the body.
A new study suggests that Alzheimer caregivers' chronic stress may trigger excessive blood clotting, increasing the risk of coronary events such as heart attacks. The research found that high levels of stress were associated with higher fibrin D-dimer levels, even within normal ranges.
Researchers found that CRP levels above 3.0mg/L significantly increased the risk of heart attacks, strokes, and death from cardiovascular disease in women with metabolic syndrome. Higher CRP levels were also associated with higher cardiovascular risk, even among those with lower CRP levels.
A study found that premature babies with mild to moderate oxygen deprivation during or immediately after birth had significantly lower cognitive and language skills compared to those with no such risk. The researchers suggest that even minor risk of hypoxia may be associated with damage to the brain's periventricular white matter.
Research reveals a strong link between poor amino acid breakdown and increased heart disease risk. Folic acid supplementation shows promise in reducing homocysteine levels and associated cardiovascular disease.
Researchers found that recombinant activated factor VIIA significantly reduced blood loss during abdominal prostate removal surgery. Patients given the drug required no blood transfusions, whereas those receiving placebo did.
China's blood banking system is fragmenting due to rural-urban differences and has a scarcity of volunteer donors, leading to paid donations and illegal activities. Improvements are needed to adopt a volunteer-donor-only system, increasing education and training for those involved in blood collection and transfusion.
A study found a strong connection between behavioral undercontrol and the stimulating effects of alcohol, placing individuals at greater risk for developing alcohol problems. Those who experience higher levels of stimulation while drinking tend to have higher levels of drinking behavior.
Researchers found that adult CF patients can achieve educational and work accomplishments despite the progressive nature of the disease. Pulmonary function and exercise capacity testing are limited in predicting their ability to work or attend school.
A study found that statin use doesn't reduce reproductive hormone levels in premenopausal, perimenopausal, or postmenopausal women with coronary risk factors. The results provide reassurance on the safety of statins for women in child-bearing age.
A new study found that moderate beer drinking is associated with lower heart attack risk, as shown by decreased cholesterol levels, increased antioxidants, and reduced fibrinogen levels. The study also discovered structural changes in fibrinogen caused by beer consumption, which may serve as a new diagnostic indicator for heart attack ...
Scientists use lab mice to identify genetic basis of cholesterol absorption, aiming to develop new treatments for heart disease. They pinpoint two chromosome regions as potential sites for genes regulating plant sterol levels, which reflect dietary cholesterol absorption.
A study on atorvastatin found patients experienced quality of life improvements, but primary endpoints were not met. Peripheral arterial disease affects millions worldwide, causing leg pain and reduced blood supply.
Researchers found that patients with diastolic heart failure have severely reduced exercise capacity and quality of life, similar to those with classic congestive heart failure. The study supports the existence of a second type of heart failure, highlighting the need for intensive research and treatment development.
A new blood test has been developed to detect prostate cancer with high accuracy, helping identify men who need a biopsy and those who don't. The test correctly identified 36 of 38 prostate cancer cases, as well as 70 asymptomatic men with benign conditions.
A retrospective analysis of 87 patients with moderate paracetamol poisoning found that acetylcysteine treatment can decrease prothrombin index values significantly. This decrease may be misinterpreted as a sign of liver failure, highlighting the need for cautious management decisions based on measurement of this value.
A University of Pittsburgh study found a marker for blood clots in patients experiencing cardiac arrest outside the hospital. The researchers identified increased clotting in veins, which worsens with longer cardiac arrest duration.
Researchers found that combining calcium scores and CRP levels can gauge the presence, amount, and stability of artery-clogging plaque. Elevated CRP levels were linked to increased risk of coronary events, while combined tests showed a six-fold difference in heart attack risk between high-risk and low-risk individuals.
Research suggests that drinking water can improve a person's ability to stand and reduce the likelihood of fainting, particularly for individuals who donate blood. Healthy participants were tested using tilt-table testing, with results showing an average increase of 40.9 minutes in tolerated standing time when hydrated.
Research found that vital exhaustion, a state of excessive fatigue and hopelessness, is associated with higher blood levels of fibrinogen, which can lead to excessive blood clotting. Decreased early morning fibrinolysis was also linked to vital exhaustion, increasing heart attack risk.
Research explores vision loss and its impact on driving skills, finding correlations between mental tracking ability and driving measures. Glaucoma patients with normal visual acuity but reduced contrast sensitivity may also struggle with driving skills.
The newly revealed hieroglyphs at Dos Pilas shed new light on a critical period of Maya history, revealing a complex web of alliances and conflicts between Tikal and Calakmul. The inscriptions clarify the political and military relationships between these two superpower blocs, which dominated the region in the seventh century.
A study by Texas A&M University found that even small amounts of alcohol can impair driving skills and increase the risk of accidents. Drivers with a blood alcohol concentration as low as .04 (half the legal limit) showed significant impairment in their abilities, highlighting the dangers of drinking and driving.
Researchers developed a computer model of blood flow in the aorta, identifying areas prone to disturbed flows that could lead to atherosclerosis. The model uses CAT scan images and predicts where oscillating flows may cause damage, allowing doctors to assess heart disease risk.
Head lice are becoming increasingly resistant to specialized shampoos, with 50-98% remaining after treatment. Researchers use artificial 'scalp' to study the pests on a genetic and molecular level, seeking alternative treatments.
A new DNA typing method has been developed to help identify human remains that cannot be matched with the current protocol. The technique, called a 'miniplex,' uses a smaller set of reliable DNA markers to study tiny pieces of genetic material and could aid law enforcement in solving cases across the country.
Yellowfin tuna have a carotid rete that acts as a thermal barrier, regulating brain temperature during rapid changes in environmental temperatures. The study found that the heat-exchanger system is effective in minimizing heat loss, but can be adjusted to regulate warmer brain temperatures.
A team of biomedical engineers and pediatric cardiologists are developing new technologies to assist surgeons in surgical planning for Fontan treatment. They aim to improve the efficiency and customization of the procedure, leading to better outcomes for young heart patients.
A study by Nicki Engeseth found that honey improves antioxidant levels in human blood, suggesting a mild protective effect against heart disease. The research also showed that darker honeys have higher antioxidant levels, which may inhibit the growth of oral pathogenic bacteria.
A study of 321 participants found that higher CRP levels are associated with increased coronary calcium and atherosclerosis, even after adjusting for traditional risk factors. The findings suggest a potential new link between inflammation and heart disease.
Researchers found that low potassium intake increases stroke risk, while increasing potassium in the diet may help prevent strokes. Diuretics used to treat high blood pressure and other conditions were also linked to an increased risk of stroke in people with low potassium levels.
Patients with post-stroke dementia are at an increased risk of death within two years, with a relative risk of mortality six-fold compared to those without dementia after stroke. Dementia is also associated with poorer survival rates and reduced treatment adherence due to medication non-compliance.
A study found that consuming soy protein-rich diets can lower total cholesterol and LDL levels, improving cardiovascular health. The effect was seen in both men and women, with no significant difference between high- and low-isoflavone diets.
A recent study by UCSF researchers reveals that lower literacy is associated with worse health outcomes for diabetes patients, even after accounting for other factors. Patients with inadequate health literacy are more likely to experience complications such as diabetic retinopathy and have poorer blood sugar control.
A new blood test for congestive heart failure has shown high accuracy in diagnosing the condition, with nearly 90% of cases correctly identified. The BNP test detects elevated levels of a hormone released by the heart ventricles when pressure rises, and has been proven effective in emergency rooms worldwide.
Researchers have developed a new drug called O-nitrosoethanol (ENO) that appears to improve oxygenation in newborns with persistent pulmonary hypertension, a potentially life-threatening disorder. The study showed improved oxygenation without adverse side effects, offering hope for treating other diseases of improper oxygenation.
Researchers identified a new cholesterol disorder caused by mutations in the CYP7A1 gene, leading to elevated cholesterol levels and increased risk of heart disease. The study found that carriers of the mutation had significantly higher cholesterol levels and were more likely to develop gallstones.
Research found that heavy drinkers exhibit a 'biphasic' response to alcohol, experiencing increased stimulation and euphoria during rising blood alcohol concentrations, but sedation and fatigue during declining levels. In contrast, light drinkers showed only sedation and no positive mood changes.
Researchers at the University of Pittsburgh's McGowan Institute for Regenerative Medicine have made significant breakthroughs in regenerative medicine. Filtering antibodies from blood may decrease the risk of organ rejection, with experiments showing a 40-60% reduction when coated with specific antigens. Additionally, injecting drag-re...
Researchers found a link between abnormal retinal blood vessels and cognitive decline, potentially providing an early warning system for dementia. Low vitamin C levels in the blood were also associated with increased stroke risk, particularly among hypertensive men.
A recent NHLBI-sponsored study found that weight concerns and a drive for thinness significantly increased the risk of teenage girls becoming daily smokers. The study also identified other factors such as stress, poor conduct, and family background that contributed to this risk.