Articles tagged with Physiological Stress
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.
A new study suggests that mindfulness-based stress reduction (MBSR) can decrease fasting glucose levels and improve quality of life in overweight and obese women. MBSR significantly reduces perceived stress and improves sleep, depression, anxiety, and psychological distress without changing body weight or insulin resistance.
Researchers found fourth graders who participated in the MindUP program showed improved stress regulation, optimism, and peer relationships. They also performed better in math compared to those in a program without a mindfulness component.
A study published in The Journal of Physiology found that high stress levels in pregnant mice led to increased cortisol levels, causing mothers to eat more but reducing placental glucose transport. This can result in decreased fetal weight and long-term metabolic health implications for children.
A lack of regulation puts clinical physiologists at risk of causing harm to patients. Clinical physiologists must be properly regulated to ensure patient safety.
A Baylor University study reveals that more than a third of American clergy members are obese, with stress, longer hours, and being underpaid contributing factors. Clergy who take breaks, participate in support groups, or take sabbaticals tend to lower their obesity risk.
Postpartum anxiety and depression are prevalent in new mothers, affecting both maternal well-being and infant health. Animal research provides valuable insights into the causes of these conditions, which may lead to better treatment options and earlier diagnosis.
Vermicompost leachate enhances tomato seedling growth in temperature and water-stress conditions. Regular supply of VCL improves morphological characters, including leaf area and shoot/root biomass.
Researchers found that both those receiving low offers and making low offers experienced stress, compared to those who made more generous offers. This suggests a link between emotional state and decision-making in economic situations.
A genetic study suggests that individuals with a specific genotype may be prone to weight gain and increased risk of diabetes and heart disease when exposed to chronic stress. Simple interventions like healthy diet, exercise, and stress management could help reduce the risk of cardiovascular disease in these individuals.
New technique reveals correlations between arterial health and cognitive decline in older adults, highlighting the importance of cerebrovascular well-being for healthy aging. The study also explores the impact of stress on arterial stiffness and its consequences for brain function.
A study of 1.7 million hospital patients found that experiencing atrial fibrillation while hospitalized for surgery was associated with an increased long-term risk of ischemic stroke, particularly following noncardiac surgery. The risk was also higher after cardiac surgery.
Researchers studying banded mongooses found that stress hormones inhibit future parental investment. High levels of glucocorticoids reduce cooperation and social behavior in future breeding seasons.
Researchers at Carnegie Mellon University discovered that brief mindfulness meditation practice alleviates psychological stress. The study showed that even just three consecutive days of 25-minute mindfulness sessions can reduce stress levels.
The study found that inhibiting neurons in specific brain regions eliminated stress-induced heat production and increased body temperature in rats. Stimulating these neurons caused the opposite effect, highlighting a key neural circuit connection in the development of psychological stress-induced hyperthermia.
Researchers found that low levels of the stress hormone cortisol are strongly correlated with voting behavior, while age is also a predictor. The study suggests that biological factors can play a role in voter turnout, complementing social and demographic variables.
A study by Giorgia Silani found that stress undermines empathic abilities in men, while increasing them in women. In the experiment, stressed men performed worse in tasks requiring empathy and social skills compared to unstressed men.
A study published at University of Cambridge finds that high cortisol levels can lead to risk aversion among traders, contributing to market instability. The research suggests that chronically raised cortisol levels can decrease willingness to take risks, even when markets are crashing.
A new study from the USC Marshall School of Business found that sharing feelings with someone having a similar emotional response to a threatening situation can help decrease stress. By discussing their emotions, individuals can experience reduced levels of stress-related hormones like cortisol.
Researchers have found that poly(lactic-co-glycolic acid) (PLGA) tubes exhibit superior viscoelasticity to autologous nerve grafts in repairing damaged sciatic nerves. This suggests PLGA could be a more effective biomaterial for such repairs.
Research reveals sleep deprivation's detrimental effects on pancreas function, glucose homeostasis, and insulin secretion, with age exacerbating these issues. Older mice were more susceptible to the negative impact of sleep deprivation on blood sugar control.
Researchers found that producing music decreases perceived physical strain and increases muscle effectiveness during exercise. This breakthrough insight sheds light on the therapeutic power of music and its role in human society.
A study published in the journal Physiology & Behavior found that cats from multi-cat households do not exhibit higher stress levels than those from single-cat households. The researchers discovered that a cat's personality, as classified by its owner, plays a significant role in determining its stress response to stroking.
Researchers tested a biofeedback device on 20 grandmothers, finding a significant reduction in stress and negative emotions. The device tracks heart rate variability to help women cope with added responsibilities, showing promise for long-term benefits.
Research by Susanne Waiblinger found that introducing young dairy goats into the adult herd after parturition reduces social stress. Lactating mothers and their kids appear to be a calming influence on other goats, with reduced aggressive behavior.
NYU researchers discovered that even mild stress can hinder therapeutic techniques for controlling emotions, including cognitive restructuring. The study found that stress undermines the effectiveness of these techniques, making it challenging to reduce fear and anxiety in real-life situations.
Researchers found that children who appear to succeed socially may be failing biologically due to chronic stress. Those with high self-esteem and academic success show elevated levels of stress hormones, blood pressure, and BMI, increasing risk for chronic diseases.
Researchers at Brown University found a link between protein processing and appetite regulation, suggesting that ER stress may play a key role in obesity. Intervening with certain chemicals has the potential to restore normal alpha-MSH production, potentially breaking the cycle of obesity.
A study by Dr. Susan K. Wood found that social stress can lead to inflammatory changes in the brain, increasing vulnerability to depression and heart disease. The research identified specific genes and proteins involved in this process, shedding light on potential targets for treatment.
Research suggests that high stress hormone levels in mothers can actually help their offspring grow faster and stronger. In a six-year study on North American red squirrels, stressed-out mothers raised pups that were significantly larger than those of control females.
Researchers found that female red squirrels produce more stress hormones during pregnancy, which increases their pups' growth rate and chances of survival. The study confirms that natural selection favors faster-growing offspring, and these squirrels can adapt to high population density by anticipating environmental changes.
A new study found that encouraging people to reframe their natural bodily signals as helpful during stressful speaking tasks can improve performance. The study used the Trier Social Stress Test and found that participants who were prepped about the benefits of stress weathered the trial better, with increased blood flow and fewer physi...
Stress circuits in the brain can self-tune following a single stress, preparing for subsequent challenges. Unique time windows exist after brief stress challenges, where learning is increased or decreased.
Researchers at Georgetown University Medical Center have demonstrated how acupuncture can significantly reduce the stress hormone response in an animal model of chronic stress. The study used rats and found that electronic acupuncture blocks the chronic, stress-induced elevations of the HPA axis hormones and the sympathetic NPY pathway.
The Stress Resilience Training System (SRTS) app teaches Sailors and Marines to recognize their stress responses and manage them using biofeedback techniques. The app's field testing at the Naval Center for Combat and Operational Stress Control could help prevent PTSD in warfighters, saving billions of dollars in medical costs.
Researchers identified specific steps in the sequence of neural events underlying stress-related drug relapse and showed that blocking kappa opioid receptors can prevent relapse. The study suggests a new approach to treating addiction recovery by targeting stress-induced brain mechanisms.
Researchers found that prolonged exposure to the stress hormone corticosterone enabled tadpoles to increase the size of their tails, improving their ability to avoid lethal predator attacks. The study provides new insights into the mechanisms of phenotypic plasticity and its role in animal survival.
Researchers found that bad news articles increase women's sensitivity to stressful situations and their ability to recall information. However, the study did not find a similar effect on men. The findings suggest evolutionary factors may be at play, making women more susceptible to indirect threats.
A study published in European Neuropsychopharmacology found that voting in national elections triggers measurable hormonal changes and emotional reactions. The cortisol levels of participants were nearly three times higher just before voting compared to the control group, indicating significant stress and arousal.
Recent research on young songbirds found that elevated glucocorticoid hormones can improve movement, feeding, and anti-predator behaviors, leading to greater survival rates. The study, published in Functional Ecology, suggests that stress is more complex than previously thought and may be beneficial for vulnerable stages of development.
Researchers found that women's hearts showed no increase in blood flow during mental stress, unlike men, who experienced an increase. This difference could predispose women to heart problems under stress.
Researchers found that chronic stress in adolescence leads to a loss of glutamate receptor expression and function, resulting in impaired memory and recognition. Disrupting the enzymes responsible for this loss may prevent cognitive impairment induced by repeated stress exposure.
Researchers found that novice surgeons attempt to perform tasks at the same speed as experienced surgeons, despite being less skilled. High stress levels were linked to fast behavior, which can lead to more errors due to lack of experience.
Research on elephants in South Africa reveals chronic stress leads to 'refuge behavior,' changing space use and preferences. Higher physiological stress levels result in 20-43% lower land usage, highlighting the need for wildlife management projects to consider these effects.
A study by UCSF researchers found that anticipating stressful situations accelerates cellular aging, leading to shorter telomeres and increased risk for chronic diseases. Caregivers who anticipated more threat showed signs of accelerated cellular aging.
A study found that referees' stress tolerance is not linked to their physical condition but rather to the state of their nervous system. Researchers observed significant stress levels in referees both before and after matches, including during sleep hours.
A new study from the University of Haifa found that emotional and instrumental support from a supervisor can significantly reduce employee absenteeism and increase productivity. The study also highlights the importance of co-worker support in mitigating the effects of stress at work, leading to improved overall well-being.
Researchers discovered a novel intracellular signaling pathway controlling stress-induced CRH gene expression, revealing a key role for Orthopedia protein in stress adaptation. This regulation is critical for neuronal adaptation and failure to activate or terminate the CRH response can lead to chronic pathological conditions.
Researchers at Tufts University have discovered a novel mechanism regulating stress response in the brain, involving neurosteroids and specific receptors. Blocking these receptors may lead to new approaches for managing stress-related disorders such as depression, epilepsy, and obesity.
Neuroscientists at the University of Leicester discovered a protein called lipocalin-2 that helps regulate dendritic spine formation and maturation, reducing future anxiety associated with stressful events. The study found that mice without this protein were more anxious and had stronger memories of stressful events.
A recent study by Christine Aurich's group at the University of Veterinary Medicine, Vienna found that short-term branding stress levels are comparable to microchip implants in foals. However, branding causes more prolonged tissue damage and alterations in body temperature, leading to increased welfare concerns.
Researchers found that administering synthetic marijuana helps block PTSD-like symptoms in rats after experiencing trauma. The study suggests a 'window of opportunity' for treatment, which may be longer for humans due to their lifespan.
Researchers found that voting induces emotional arousal and raises cortisol levels, which can influence decision making. The study suggests a link between stress and voter turnout, particularly among those with unpopular candidates.
The study creates a worldwide map of coral reefs, highlighting areas with high biodiversity and low stress, to inform conservation efforts. The researchers used fuzzy logic and publicly available data to group reef systems into clusters based on their stress exposure grades.
A 3-year longitudinal study involving 200 middle school teachers and 20 H.I.S.D. schools investigates the impact of teacher stress on student behavior and achievement. The research team combines innovative multi-method approaches to assess stress and teacher effectiveness, using ecological momentary assessment, physiological measuremen...
Research suggests that a mother's nutritional or psychological stress during pregnancy and lactation may create a signature on her child's genes that put the child at increased risk for obesity later in life. Female offspring are more susceptible to developing abdominal fat, prediabetes, and impaired glucose metabolism.
Researchers have developed a simple saliva test and blood analysis to detect early signs of burnout, which can lead to chronic stress, diabetes, cardiovascular disease, and immune problems. The tests may help identify individuals at risk before symptoms develop.
A Scripps Research chemist devised a new method to quantify changes in proteins resulting from stress, which could provide insights into disease progression and treatment. The technique focuses on cysteine S-hydroxylation, allowing researchers to monitor protein modifications at the individual cysteine site.
Researchers found that stress activates memory recall of unrelated experiences in laboratory rats, which may offer insights into post-traumatic stress disorder (PTSD) and related conditions. The study's results suggest that traumatic stress can reactivate non-traumatic memories, linking them to the traumatic experience.
A Northwestern Medicine study found that stressed dopamine-releasing neurons in the brain die prematurely, triggering Parkinson's disease symptoms. The research suggests that controlling this stress with a drug already approved for high blood pressure may delay disease progression.
A new Université de Montreal study found that trained service dogs can significantly reduce stress hormone levels in autistic children, from an average of 33 problematic behaviors to just 25. The dogs also improved socialization skills and overall well-being for the children.