Physiological Stress
Articles tagged with Physiological Stress
Paul and Shelia Schlosberg Family Foundation champions military brain health with landmark $3 million contribution
The Paul and Shelia Schlosberg Family Foundation has donated $3 million to the Optimal BrainHealth for Warfighters initiative at Center for BrainHealth. This gift aims to boost cognitive resilience among U.S. Special Operations Command operators, veterans, and their families.
Seals get their hearts racing to detox after foraging trips at sea
A new study found that fur seals' heart rate peaks six to eight hours after returning to land, indicating a delayed recovery from the physiological costs of foraging at sea. This suggests that seals use their time onshore to actively recover and replenish oxygen stores.
Racism and socioeconomic stress may alter pregnancy biology, leaving black women nearly three times more likely to die
A study by the University of Cambridge found that racism and socioeconomic stress can alter key physiological processes in the body during pregnancy, leading to higher rates of preeclampsia and preterm birth in black women. These changes are not due to genetic differences but rather persistent socio-environmental stressors.
How enriching the environment may combat fentanyl addiction
Researchers found that introducing new objects in a nonsocial environment reduced fentanyl intake over time and helped rats stop seeking the drug faster. Enriched environments also showed lower levels of stress hormones, linked to relapse in standard conditions.
Early life stress linked to long-lasting digestive issues
A new study suggests that early life stress during pregnancy and early childhood can lead to long-term digestive issues, including gut pain and motility challenges. The research found that early life stress can shape the development of gut-brain communication, contributing to gastrointestinal symptoms in both mice and humans.
Road salt creates more harm to freshwater life than expected, study finds
Research by University of Missouri scientists found that road salt is deadly to freshwater snails when paired with the presence of predators, causing nearly 60% higher mortality rates. The study suggests practical solutions to reduce salt pollution in waterways, such as cutting road salt use by up to 50%.
Trauma or toxic? A deep dive into the impact of stress on kids' health
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.
Police-related stress is associated with health risk for Black women
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.
Exposure to more artificial light at night may raise heart disease 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.
Child behavioral problems are associated with decreased heart rate variability in parents, new Concordia research shows
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.
MDMA psychiatric applications synthesized: Comprehensive review examines PTSD treatment and emerging therapeutic indications
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 ...
Feeling in control helps beat daily stress, researchers find
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.
Submerging forearms in water may help protect older adults during extreme heat
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.
New study finds concerning sea star response to a neurotoxin
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.
The health impact of wildfires in Los Angeles County and Maui
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.
In-exercise caffeine improves performance in the heat
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.
Too busy to focus on your happiness? Try daily micro-acts of joy
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.
Pointing to success: Marathon potential is in your hands – literally
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.
Would you hand over your health data if it meant better care?
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.
Energy deficiency impacts collegiate running performance
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.
Interview opportunity: Women are overtaking men in the most extreme sports events
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.
Science confirms what an only child already knows: caregiving alone is tough
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.
Dance your stress away: New research unveils the secrets of movement in stress management
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.
Nwd1 gene deletion triggers MASH-like pathology in mice: a new scientific breakthrough
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.
Findings may advance understanding of infertility in mothers
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 familiar face at childbirth makes a difference
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.
Fans ineffective in heat waves
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.
Heatstroke leads to chronic heart disease, obesity in mice
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.
Exposure to stress during early pregnancy affects offspring into adulthood
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.
Association between surgeon stress and major surgical complications
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.
Research shows how music can reduce distress
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.
Elucidating the neural mechanisms of stress-induced cardiovascular responses
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.
School social workers an underutilized resource
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.
Time alone heightens ‘threat alert’ in teenagers – even when connecting on social media
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.
Smoking habit affects response to false feedback
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.
New NSF grant seeks to understand resilience to stress
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.
Smart sensor patch detects health symptoms through edge computing
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.
Study: Invasive silver carp reduce movement in Chicago-area water
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.
‘Cheeky’ discovery allows scientists to estimate your risk of dying using cells found in the mouth
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.
Different adaptation strategies to saline soils identified in neighbouring populations of the same plant species
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.
Novel method detects biological oxidant derived from CO2 in cells
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.
Infrared thermal imaging enables reliable assessment of animal stress from distance
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.
Can technology turn exercise pain into pleasure?
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.
Children can inherit early aging symptoms from parents who abuse alcohol, researchers find
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.
Can nanomaterials enhance plant tolerance to high soil salt levels?
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 SFT expression, promotes early flowering, and inhibits floral organ development by disturbing cell cycle in tomato
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.
Study: Fatigue-management training improved sleep, safety, well-being for Seattle police
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.
Housing compatible shelter dogs together could reduce stress and might help them find homes sooner
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.
How stress knocks out your cognitive reserve
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.
3,500-year-old Mycenaean armor was suitable for extended battle - study
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.
Time zones and tiredness strongly influence NBA results, study of 25,000 matches shows
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.
Enhancing heat tolerance in cool-season turfgrasses: a comprehensive review of physiological changes, molecular advances, and breeding strategies
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.
The mechanism of SlWRKY80 participating in salt alkali stress through its involvement in JA metabolic pathway
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.
Stressful events in midlife might be a risk factor for Alzheimer's disease in older ages
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.
The heat index — how hot it really feels — is rising faster than temperature
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.
Breathe, don’t vent: Turning down the heat is key to managing anger
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 may reduce inflammation, per systematic review
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.
Interactions with dogs can increase brainwaves associated with stress relief and heightened concentration
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.
Patients with Parkinson’s disease who experience freezing of gait have sleep disorders, study shows
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.