Articles tagged with Physiological Stress
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.
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 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.
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.
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.
A recent study published in Human Reproduction found a doubling in the chances of pregnancy miscarrying or resulting in a stillbirth following a job loss. The researchers emphasize an association between job loss and increased probability of miscarriage or stillbirth, highlighting potential socioeconomic factors.
The new facility will enhance the lab's capabilities to study the impact of chemicals and nanomaterials on human health, with applications in areas like toxicology and disease prevention.
Research found that active children produce less cortisol in stressful situations and exhibit reduced physiological stress reactions. Regular exercise may also help prevent high cortisol levels during exams by creating a positive association with the hormone.
Women survivors of gender violence exhibit altered stress response systems, affecting ability to detect threats and mental health. The study found two distinct patterns of attention towards threatening faces, with vigilant individuals having higher cortisol responses.
Studies found that transport stress can cause weight loss, immunity damage, and reduced productivity in animals. The enteric nervous system plays a key role in regulating the effects of transport stress on intestinal health.
Researchers identified mRNAs and long non-coding RNAs targeted by stress granule proteins, which accumulate AD-associated gene transcripts in these structures. SGs may play a key role in regulating AD development through the impairment of protein neurohomeostasis.
Bacteria have found a way to survive stressful environments by producing microscopic syringes called Streptomyces phage tail-like particles (SLPs) that are located inside the cell. These SLPs interact with cellular systems involved in cell wall synthesis and protein translation, providing resistance against osmotic stress.
Researchers found high sympathetic activation while working, regardless of deadlines, but factors like smartphone use and reading/writing can exacerbate this. The study revealed that researchers instinctively adjust break frequency to regulate stress, providing fresh insights into their behaviors.
A study found that biological age in humans and mice increases rapidly in response to diverse forms of stress, only to reverse after recovery. The researchers used DNA methylation clocks to measure changes in biological age, revealing transient changes in response to stressful stimuli.
Research at IRB Barcelona reveals CPEB4's essential role in T lymphocytes' adaptation to chronic cellular stress. By overcoming this stress, these cells can exert their antitumour function and halt tumour growth.
A new study suggests that positive experiences in close relationships are associated with lower stress, better coping, and lower systolic blood pressure reactivity. The findings also indicate that variability in negative relationship experiences can predict outcomes like stress and physiological functioning.
Researchers at Anglia Ruskin University found that consuming a hydroxytyrosol-rich, olive-derived phytocomplex improved respiratory parameters, oxygen consumption, and running economy during aerobic exercise. The study also showed reduced perceived exertion and enhanced acute recovery.
Researchers found that wildfire exposure led to difficulty in sensory interference processing and increased frontal cortex activity, similar to PTSD symptoms. Cognitive deficits persisted 6-12 months post-wildfire, highlighting the need for targeted interventions to address climate trauma.
Researchers at Ohio State University discovered that pregnant women who struggle with executive functions – planning and regulating their behavior – tend to consume more fat. Coaching these skills may be key to improving dietary outcomes.
Scientists developed a first model to predict canopy water content during drought and heat waves. The model could enable fire danger forecasting models that include vegetation in their calculations, making it easier to predict the spread of fires.
A study by researchers at Boyce Thompson Institute has identified genes that can help plant breeders develop fruit crops that can adapt to drought conditions. The research found that water stress triggers physiological disorders and fruit loss, but also has positive effects such as increasing lycopene levels in ripe fruit.
A new study reveals that standard goose harassment efforts are ineffective, especially in winter when birds should be most susceptible to scare tactics. Canada geese return to their territories despite harassment, prioritizing access to resources over energy conservation. The research team found that geese adapt to urban environments, ...
A new UCI-led study shows that repeated stress accelerates aging of the eye, leading to retinal ganglion cell death and visual defects. The research highlights the importance of early diagnosis and prevention in managing age-related diseases like glaucoma.
UCF researchers are developing a wearable, wireless health monitor to track physiological response to heat stress in firefighters. The device aims to identify correlations between heat stress and skin thermal activity for the first time, providing insight into the link between heat stress and serious medical issues.
A large study found that children who experienced adversity, including serious family illness or death, poverty, neglect, or dysfunctional relationships, are at increased risk of developing cardiovascular disease in early adulthood. The study, published in the European Heart Journal, followed nearly 1.3 million children and found a 60%...
Research reveals early life adversity shapes brain circuits and behavior, increasing risk of depression and anxiety. Studies using rodent models uncover specific neural pathways impacted by early stress, shedding light on sex-specific responses.
UCR researchers find that modern ventilators overextend certain regions of the lungs, causing stress and damage, unlike natural breathing. They propose a new thick-walled model to better understand pulmonary mechanics and improve ventilation strategies.
A UMass Amherst epidemiologist is investigating how physical and mental health during pregnancy can predict cardiovascular and mental health disorders in middle age. Pregnancy complications may be associated with poorer cardiometabolic health and mental health status in middle adulthood among Puerto Rican women.
A new study by Johns Hopkins Medicine reveals that stress influences appetite in both obese and lean adults, with differences in brain responses to food. The research found that obese individuals show increased activation of the orbitofrontal cortex after stress, while lean adults exhibit lower activation of cognitive control regions.
A new study found that dogs can differentiate between breath and sweat samples from people before and after a stress-inducing task with an accuracy of 93.75%. The researchers believe that dogs are able to detect changes in volatile organic compounds produced by humans in response to stress.
A scientific review found that cold water swimming can reduce 'bad' body fat and improve insulin sensitivity. However, the health benefits are uncertain due to limited study quality and variability in participant profiles.
A new study published in Current Biology found that carrying crying infants for 5 minutes can promote sleep and reduce crying. The technique, known as the Transport Response, involves steady walking followed by sitting before laying the baby down to sleep. This method offers an immediate solution for parents of newborns struggling with...
Researchers at Ruhr-University Bochum found that online teaching triggers a lower physiological response, including reduced cortisol levels, decreased sympathetic activity, and increased parasympathetic activity. In contrast, in-person classes led to increased sympathetic nervous system activity and enjoyment.
Researchers at UC Berkeley find that the traditional heat index, which calculates how hot it feels based on temperature and humidity, fails to account for physiological responses to extreme heat. The new study suggests that this underestimation can lead to increased stress on the human body, particularly in sweltering conditions.
A survey study found an association between childcare stress and burnout, anxiety, depression, and intent to reduce hours or leave the job. Healthcare workers experienced increased stress and burnout during the pandemic, leading to a higher likelihood of leaving their jobs.
A new theory suggests that lack of perceived safety in marginalized communities can have a direct impact on physical and mental health. This concept challenges decades-old thinking that minority stress is the primary cause of health disparities in the LGBTQ community.
Researchers have discovered that chanchita, a cichlid fish native to South America, has the highest cold tolerance of all non-native species in Florida, allowing it to survive central and possibly northern Florida's winters. Chanchitas exhibit parental care behavior, with both parents guarding eggs and young.
A new study published in Ecological Applications found that urban density has a stronger correlation with house sparrow health than other environmental factors like light pollution or noise levels. The researchers also discovered high lead levels in the birds' bodies, which could be linked to bioaccumulation from food sources.
Researchers at Rutgers University found that cannabis users tend to overestimate their ability to manage conflict in romantic relationships and may overlook unhealthy dynamics. The study suggests that couples who use cannabis can benefit from better navigating conflict discussions and resolution.
A naturalistic study using eye-tracking technology found that intensive care unit nurses experience a higher level of mental workload, especially during the start of shifts, with shorter fixation and more sporadic gaze behavior in stressed nurses.
A new mouse model study found that stress and depression can increase heart disease risk by preventing the beneficial effects of cholesterol-lowering medications. The research suggests that chronic stress can mediate epigenetic changes that make bone marrow precursors more inflammatory, leading to increased plaque formation.
Research finds that bat box design and landscape placement significantly impact the energetic balance of endangered Indiana bats. A study by University of Illinois researchers tested five bat box designs and four landscape placements to determine their effects on bat metabolism, development, and survival.
A new Cambridge study has discovered that the sex of a fetus can affect placenta function, diet-induced maternal obesity, and stress. Designing sex-specific therapies and personalized lifestyle interventions could have lifelong health benefits for children.
A study by University of Pennsylvania School of Nursing found that early childhood lead exposure is associated with dysregulated heart rate variability during stress, indicating a dysregulated stress response. This can have long-term consequences on cardiovascular health and development.
A study analyzing blood samples from premenopausal women with breast cancer found high levels of inflammatory markers and low antioxidant levels. These findings may reveal a new diagnostic tool for the disease, with implications for identifying early stages and improving treatment outcomes.
A recent study from North Carolina State University found that experiencing racism is stressful for Black youth, while taking action to address racism also contributes to stress. The study suggests a reciprocal relationship between racism-related physiological stress and high-risk activism among emerging adults.
A study found that Asian elephant males experience increased stress when alone or in male-dominated groups, while females show lower stress when accompanied by babies. The researchers also discovered that social bonds play a crucial role in regulating stress hormone levels in these animals.
A study in Hawaiian coral species found that some display resilience to ocean warming and acidification. Coral samples survived better under certain conditions, with Porites compressa being more resilient than Montipora capitata.
A study at the University of Bonn found that stressed mice develop motor deficits and lose synapses, which may be useful for earlier diagnosis and therapy. The results also suggest that psychological stress can leave permanent traces on the brain.
A new study by EPFL researchers finds that stress during early adolescence leads to increased body fat and reduced sociability in males, but not females. The researchers identified a biological link between stress-induced fat gain and impaired brain function, specifically the NAD+/Sirtuin-1 pathway.
Research suggests stress plays a bidirectional role in AFib, both increasing episodes and contributing to mental health issues. Stress reduction strategies, such as mindfulness-based stress reduction and anxiolytic therapy, may improve AFib symptoms and quality of life.
Researchers at West Virginia University are investigating the link between chronic stress and Alzheimer's disease using animal models. They aim to understand how xanthine oxidase may sabotage brain blood vessels in Alzheimer's patients, and explore whether a medication can block this pathway to keep the brain healthy.
A team of biologists and engineers created a robotic fish that scares mosquitofish away, altering its behavior and physiology. The study found that the mosquitofish showed fearful behaviors, weight loss, and reduced fertility when confronted with the robot.
A Northwestern University study found that live personalized music therapy improved patients' emotional states, reduced their stress and anxiety, and provided a pleasurable experience. The 'tele-music' intervention also empowered patients and their families, easing medical procedures and increasing patient satisfaction.
Current climate models underestimate species extinction rates by neglecting the complexities of ecosystems. Researchers used piñon pine data to model how climate affects tree populations and distribution, finding indirect effects that cannot be captured by climate-only models.
A recent study, published in JAMA Network Open, investigated the relationship between food insecurity and allostatic overload in older adults. Researchers found that food insecurity is associated with increased allostatic overload, which can have negative effects on health outcomes.