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 comprehensive review of childhood stress effects on physical and mental health, cognitive functioning, and developmental outcomes. The study highlights the critical importance of early intervention and supportive policies to mitigate adverse health outcomes.
A new study reveals a significant association between police-related stress and physical markers of cardiovascular health risk in Black women. Women who expressed concern for their children's potential interactions with police had thicker carotid artery walls, indicating increased cardiovascular risk.
A study found a nearly linear relationship between nighttime light exposure and an increased risk of heart disease. The research suggests that reducing exposure to excessive artificial light at night can counteract the effects and may be a public health concern.
A study of 80 couples found that child- and marriage-related stressors affect self-regulation, particularly in fathers. Lower heart rate variability was associated with more difficult child behavior, with marital stress amplifying this effect.
The review synthesizes clinical evidence on MDMA-assisted psychotherapy for posttraumatic stress disorder (PTSD), autism spectrum disorder, eating disorders, and existential distress. It identifies consistent patterns across diverse clinical applications and highlights the therapeutic potential of MDMA, including its oxytocin-mediated ...
Researchers found that feeling in control over everyday stressors can lead to a 62% increase in resolving the issue. The relationship strengthens with age, suggesting that controlling one's sense of control can be a resource for managing daily life and impact health outcomes.
A new study from Penn State researchers found that submerging hands and forearms in room-temperature tap water can effectively cool older adults and reduce their heart rate during extreme heat. The study demonstrated a reduction in core body temperature by about half a degree Fahrenheit, which may help prevent heat-related illnesses.
A new study found potentially concerning concentrations of domoic acid in wild sea stars, which could have cascading consequences for marine biodiversity. The researchers also observed behavioral and physiological changes in response to the neurotoxin, raising concerns about its potential impacts on keystone species.
Research shows that the 2025 Los Angeles wildfires resulted in an estimated 440 excess deaths, while the 2023 Maui wildfires led to immediate increases in suicide and overdose deaths. Higher social support was linked to improved mental health outcomes but did not buffer physiological effects.
Researchers found that moderate doses of caffeine consumed during exercise prolonged high-intensity exercise and reduced perceived exertion, while minimizing physiological strain. This approach may be an effective strategy for improving exercise performance in the heat without exacerbating hyperthermia-induced hyperventilation.
A world-first study suggests that a person's marathon potential may be identified through a simple check of their hands. Lower digit ratio is linked to cardiorespiratory fitness and exercise tolerance. This biomarker could help coaches identify talent or recreational athletes understand their endurance potential.
A week-long web-based wellbeing intervention boosted participants' happiness through daily micro-acts, including sharing inspiring moments and performing kind acts. The Big Joy Project tested the effectiveness of a simple yet impactful approach to improving well-being.
A global study by UniSA researchers found that 94% of people who use wearable activity trackers are open to sharing their health information with healthcare providers. This could lead to more personalized and responsive care. The demand for personalized healthcare is on the rise, and wearable activity tracker market is increasing.
A recent study by Penn State researchers found that chronic energy deficiency in collegiate female endurance runners negatively impacts their performance and training benefits. Runners with insufficient energy intake had slower race times and reduced training benefits, but these effects can be reversed by increasing calories.
A recent study found that women are more metabolically efficient under extreme conditions, closing the performance gap with men. Women's greater fat mass may contribute to this advantage, enabling them to complete longer distances without burning out.
A study from the University of Missouri found that caregiving stress looks different for adults who are only children compared to those with siblings. Adult only children faced greater emotional and financial strain, while support from friends or extended family improved mental health for caregivers with siblings.
A new study reveals that dance can facilitate emotional expression and foster social bonds, creating a powerful buffer against stress. By incorporating dance into weekly routines, individuals can enhance their resilience and improve overall wellbeing.
The study highlights the role of the Nwd1 gene in liver disease and its potential as a therapeutic target. Mice with Nwd1 gene deletion exhibited liver pathologies mirroring MASH, including excessive lipid accumulation and increased ER stress.
A new study in rodents reveals that oxytocin can delay an embryo's development for days to weeks after conception, a phenomenon known as diapause. This finding may offer new insights into pregnancy and fertility issues faced by humans.
A Dartmouth-led study reveals that pregnant individuals with no emotional support during childbirth experience higher levels of perceived stress, comparable to a C-section delivery. The research highlights the importance of access to emotional support in reducing stress and improving maternal and child outcomes.
A recent study found that electric fans provide little cooling relief for older adults indoors during extreme heat due to their limited sweat production. Dr. Fergus O'Connor from Griffith University suggests using air conditioning at a higher temperature in conjunction with a fan to provide effective cooling and reduce operating costs.
A new study from University of Florida researchers finds that heatstroke can lead to lasting, multi-organ damage and obesity in mice for months afterward. The animals' hearts metabolically crashed two weeks after the initial injury, leading to chronic deterioration and weight gain.
A long-term study on wild monkeys in Thailand reveals that maternal stress hormone levels during early pregnancy can have a lasting effect on the stress system of the offspring. The study found that elevated stress hormones later during pregnancy or after birth did not have the same effects.
A cohort study of 38 surgeons and 793 patients found that increased surgeon stress before a procedure is associated with better clinical patient outcomes. The study highlights the complex relationship between physiological stress and performance, providing opportunities for improving patient care.
A new study reveals music therapy can deliver an immediate reduction in agitation and anxiety, as well as improvements in attention, engagement, and mood. Music helps individuals feel safer and more orientated, lowering levels of distress and improving wellbeing.
Researchers investigated neural mechanisms of stress-induced cardiovascular responses by activating lateral habenula in rats. Activation caused changes in blood pressure and heart rate, which were suppressed by pharmacological blockade of dopamine neurotransmission.
US schools are struggling to deploy social workers effectively due to a lack of standardization in roles and implementation. Many districts are unclear about the types of work school social workers can do, leading to inconsistent utilization.
A study by University of Cambridge researchers found that teenagers become more sensitive to threats after a few hours alone, regardless of digital connection. This increased threat response can lead to anxiety and unease, even in the presence of online interactions.
A study found that smoking habits interfere with performance on cognitive tasks involving memory and attention, and impairs a person's ability to detect deception. The study revealed two clusters of participants with differing physiological responses to stress, including pupil dilation and heart rate parameters.
The team plans to use a multidisciplinary approach to characterize brain mechanisms that underlie resiliency, aiming to develop better therapies and address public need. Most individuals exposed to high levels of stress and trauma are able to avoid serious mental illness, suggesting that biological resilience is prevalent.
A research team from Hokkaido University has developed a flexible multimodal wearable sensor patch that can detect arrhythmia, coughs, and falls using edge computing on a smartphone. The sensor patch generates large amounts of data that must be processed to be understood.
A new study reveals that invasive silver carp reduce their movement in Chicago-area water due to stress caused by contaminants. The fish's behavior changes when introduced to water from the Illinois River north of Kankakee, suggesting they are avoiding pollutants from the Chicago Area Waterway.
A new epigenetic clock based on cheek cells accurately predicts mortality risk, outperforming previous clocks trained on blood data. The study found that specific methylation sites are linked to human mortality, and future research is needed to identify associations with age-related diseases.
Two populations of the same wild species, Brassica fruticulosa, have evolved differently under similar environmental conditions, revealing distinct adaptation strategies to soil salinity. The study identifies two adaptive responses, one involving sodium restriction and the other through efficient osmotic adjustment mechanisms.
Researchers at the University of São Paulo have discovered a way to detect peroxymonocarbonate, a potent oxidant derived from CO2, in human cells. The novel method uses fluorescent molecular probes and has implications for understanding the impact of high CO2 levels on human health.
Researchers validated infrared thermal imaging as a non-invasive tool to assess reindeer stress during human interactions. Thermal imaging cameras detected temperature changes in the eye corner, indicating stress, without causing physical harm to the animals.
Researchers at the University of Bath have developed sensors that track physical changes experienced by exercisers while using VR headsets, allowing game designers to create immersive programs that adapt to a person's abilities and mood. This technology aims to increase user engagement and adherence to exercise.
Parents who struggle with alcohol use disorders can pass along symptoms of early aging to their children, affecting them well into adulthood. These accelerated aging effects include high cholesterol, heart problems, arthritis, and early onset dementia.
Researchers found that nanomaterials improve plant performance and mitigate salinity stress at lower dosages. However, higher doses can be toxic and worsen salinity stress. The findings suggest considering nanomaterials as a future option for managing salinity stress.
Salt stress induces early flowering in tomatoes by upregulating the SINGLE-FLOWER TRUSS (SFT) gene, which promotes accelerated flowering and inhibits floral organ development. Additionally, salt stress disrupts cell cycle progression in floral organs, leading to reduced organ size and altered morphology.
A new study found that a fatigue-management program improved sleep duration and reduced symptoms of PTSD, depression, and anxiety among Seattle police officers. The training also lowered rates of falling asleep while driving.
Researchers found that housing compatible shelter dogs together can significantly reduce stress in the dogs. The study also showed that this approach may lead to faster adoption rates for the dogs.
A new study from Karolinska Institutet found that stress weakens the association between cognitive reserve and improved cognition in memory clinic patients. Cognitive reserve is built through experiences like higher education and social interactions, but high or persistent stress levels can impair these benefits.
Researchers discovered that the Dendra armour was flexible enough to permit full movement and resilient enough to protect the wearer from most blows. The findings shed new light on ancient warfare and its impact on the Eastern Mediterranean region.
A study of 25,000 NBA matches found that home teams from the Western Time Zone Area have a near 10% better win ratio when playing against Eastern Teams. The researchers suggest that elite basketball coaches and teams should consider the physical and mental effects of time zone travel on game planning.
Cool-season turfgrasses face challenges under high temperature stress, leading to reduced growth and increased maintenance costs. Research proposes methods to enhance heat tolerance through molecular characterization and breeding strategies.
SlWRKY80 plays a crucial role in regulating tomato resistance to saline-alkali stress by positively modulating the JA metabolic pathway. The protein enhances spermidine synthesis and stabilizes Na+/K+ homeostasis, leading to reduced sensitivity to salt alkali stress.
A recent study published in Annals of Neurology suggests that midlife stressful events may be a risk factor for developing Alzheimer's disease in older ages. Researchers found associations between stress and higher levels of beta-amyloid protein, neuroinflammation, and brain atrophy, particularly in men.
A new study reveals that the heat index in Texas has increased three times faster than measured temperature due to global warming. This can lead to a rise of 8-11 F in heat stress, especially for vulnerable populations.
Researchers analyzed over 150 studies involving more than 10,000 participants to find that lowering physiological arousal is key to managing anger. Arousal-decreasing activities such as deep breathing, mindfulness, and meditation were effective in reducing anger, while activities increasing arousal like jogging had no effect.
The Wim Hof method has been found to increase epinephrine levels and decrease pro-inflammatory cytokines, indicating a potential anti-inflammatory response. However, its impact on exercise performance is less clear, with some studies showing benefits and others finding no significant difference.
Spending time with dogs increases alpha-band oscillations, associated with relaxed wakefulness, and beta-band oscillation strength, linked to heightened concentration. Participants reported reduced fatigue, depression, and stress after dog-related activities.
Researchers found a correlation between Parkinson's disease and freezing of gait in 20 studies, noting similar brain injury causes both symptoms. Sleep quality deteriorates when dopaminergic medication is stopped, suggesting treatment potential for freezing of gait.
Researchers have discovered a new mechanism by which 5-aminolevulinic acid (ALA) improves cold resistance in tomato plants. The study found that ALA regulates the SlMYB4/SlMYB88-SlGSTU43 module to remove reactive oxygen species, enhancing the plants' tolerance to low-temperature stress.
Researchers found that SlWRKY80 positively regulates tomato resistance to saline-alkali stress by enhancing spermidine content and stabilizing Na+/K+ homeostasis through the JA metabolic pathway. Exogenous MeJA application increased endogenous MeJA and JA contents, reducing stress sensitivity in SlWRKY80 knockout lines.
The project will assess how xanthophyll carotenoids in NutraMaize Orange Corn mitigate negative health effects associated with heat-induced oxidative stress. The researchers aim to improve egg-laying hen health and performance during heat stress events.
A study published in Science Advances found that abnormal cell stress in the placenta's syncytiotrophoblast layer may lead to preeclampsia. Researchers also developed a mouse model to demonstrate the effects of this stress, showing similar signs of high blood pressure and kidney damage.
A recent KAUST study used satellite data to investigate the effects of managed vegetation on surface temperature in arid regions. The results showed that vegetation can reduce daytime temperatures by up to 4 degrees Celsius compared to bare soil, providing an extra cooling effect on hotter days.
A recent study discovered two subgroups of people with idiopathic generalized epilepsy, one experiencing highest incidence during sleep and the other during daytime. The researchers found that either dynamics of cortisol or sleep stage transition explained most of the observed distributions of epileptiform discharges.
A new study published in Conservation Physiology identifies the critical limits of plant function under stress, enabling more effective conservation strategies. By understanding these limits, conservationists can identify vulnerable species and allocate resources more wisely.