Increased Stress Levels Research Articles

Natural soundscapes enhance mood recovery amid anthropogenic noise pollution.

In urbanised landscapes, the scarcity of green spaces and increased exposure to anthropogenic noise have adverse effects on health and wellbeing. While reduced speed limits have historically been implemented to address traffic safety, their potential impact on residents' wellbeing, especially in relation to engagement with natural soundscapes, remains understudied. Our study investigates the influence of i) natural soundscapes, including bird song, and ii) the addition of traffic noise to natural soundscapes at two speeds (20 mi/h and 40 mi/h) on mood. We found that natural soundscapes were strongly linked with the lowest levels of anxiety and stress, with an increase in stress levels associated with mixed natural soundscapes with the addition of 20 mi/h traffic noise and the highest levels with 40 mi/h traffic noise. Higher levels of hedonic tone, indicative of positive mood, was noted with natural soundscapes, but diminished when combined with 40 mi/h traffic noise. Our results show that anthropogenic soundscapes including traffic sounds can mask the positive impact of natural soundscapes including birdsong on stress and anxiety. However, reducing traffic speeds in cities could be a positive intervention for enhancing access to nature. Technological solutions, such as the widespread adoption of hybrid and electric vehicles, and urban planning strategies like integrating green spaces into transit routes, offer potential opportunities to mitigate the impact of noise pollution and benefit humans in urban environments.

Comparison of baseline painted turtle (Chrysemys picta) health assessments at a confined disposal facility and a protected coastal marsh in southwestern Lake Erie, Ohio, USA.

Dredging is commonly used to maintain navigational channels in freshwater lakes such as Lake Erie, and the dredged material may be discarded in confined disposal facilities (CDFs). The effects of these CDFs on wildlife health are largely unknown. We compared health assessments of painted turtles (Chrysemys picta) at two sites in southwestern Lake Erie, Ohio, USA in May 2022: CDF for dredged material (n=27), and a protected coastal marsh (PCM; n=24). Each turtle underwent a physical examination, blood collection for hematology and plasma biochemistry profiles, and testing for Chlamydia spp., herpesviruses, ranavirus (frog virus 3), and Mycoplasmopsis spp. via oral and cloacal swabs. Six turtles were positive for Chlamydia spp. (11.8%; 95% confidence interval [CI]: 4.4%-23.9%), two from the CDF and four from the PCM. One Chlamydia-positive turtle was co-infected with herpesvirus (2.0%; 95% CI: 0%-10.5%) with 96.3% homology with emydid herpesvirus. No ranavirus or Mycoplasmopsis species were detected (0%, 95% CI: 0%-6.7%). Turtles captured from the CDF had significantly higher heterophil percentages, heterophil/lymphocyte ratios, and glucose levels, but significantly lower total protein and calcium/phosphorus ratios than turtles from PCM. Turtles living in the CDF were hyperglycemic, potentially indicating increased stress levels compared to the normoglycemic turtles from PCM. As humans continue to alter wetland habitats, the impact of anthropogenic sites such as CDFs on freshwater chelonian health and welfare should be monitored.

Segmenting the Rape and Serious Sexual Offence (RASSO) investigator workforce: implications for wellbeing and burnout

ABSTRACT There is increasing awareness of police investigators’ wellbeing and the rising prevalence of burnout symptoms, creating long-term difficulties for policing. We utilized Maslach and Leiter’s approach to segment the workforce population for Rape and Serious Sexual Offence (RASSO) investigators based on a cross-sectional survey of 18 police forces (n = 2,108) across England and Wales. We fitted a Proportional Odds model to analyze the factors associated with the odds of becoming disengaged and burned out. The findings show that RASSO investigators were grouped as ‘effective’ (39%), ‘ineffective’ (26%), ‘overextended’ (24%), ‘disengaged’ (2%) and ‘burned out’ (9%). Strong effects predicting disengagement and burnout were noted for increased stress levels and organizational or self-imposed pressures to work despite being unwell. Higher odds of being disengaged or burned out were related to dissociative views toward victim-survivors, including negative attitudes to specialist training, which we hypothesize were related to the Conservation of Resources (COR) theory, where an individual cognitively compensates in emotionally challenging situations. Increased workload, the impact on work-life balance and being mid-career (10–20 years) increased the odds of disengagement and burnout. A supportive learning environment combined with salient and credible health policies were shown to be protective factors, reducing the odds of being disengaged or burned out. Preventative interventions focusing on enhancing the learning environment alongside early identification and treating the build-up of stress to prevent long-term manifestations of burnout are recommended. The linkage between worsening RASSO investigator wellbeing and dissociative attitudes toward victim-survivors is a crucial finding from this study.

Numerical Analysis on Static Performances of Graphene Platelet-Reinforced Ethylene-Tetrafluoroethylene (ETFE) Composite Membrane Under Wind Loading

This study examines the static performances of a graphene platelet (GPL)-reinforced ethylene tetrafluoroethylene (ETFE) composite membrane under wind loadings. The wind pressure distribution on a periodic tensile membrane unit was analyzed by using CFD simulations, which considered various wind velocities and directions. A one-way fluid–structure interaction (FSI) analysis incorporating geometric nonlinearity was performed in ANSYS to evaluate the static performances of the composite membrane. The novelty of this research lies in the integration of graphene platelets (GPLs) into ETFE membranes to enhance their static performance under wind loading and the combination of micromechanical modelling for obtaining material properties of the composites and finite element simulation for examining structural behaviors, which is not commonly explored in the existing literature. The elastic properties required for the structural analysis were determined using effective medium theory (EMT), while Poisson’s ratio and mass density were evaluated using rule of mixtures. Parametric studies were carried out to explore the effects of a number of influencing factors, including pre-strain, attributes of wind, and GPL reinforcement. It is demonstrated that higher initial strain effectively reduced deformation under wind loads at the cost of increased stress level. The deformation and stress significantly increased with the increase in wind velocity. The deflection and stress level vary with the wind direction, and the maximum values were observed when the wind comes at 15° and 45°, respectively. Introducing GPLs with a larger surface area into membrane material has proven to be an effective way to control membrane deformation, though it also results in a higher stress level, indicating a trade-off between deformation management and stress management.

Occupational stress trajectories and metabolic dysfunction–associated steatotic liver disease among female nurses: a prospective Cohort Study

BackgroundMetabolic dysfunction-associated steatotic liver disease (MASLD) is a prominent cause of chronic liver disease, and occupational stress may serve as a potential risk factor. This study aims to assess the association between occupational stress trajectories and incident MASLD among Chinese female nurses.MethodsWe conducted a prospective longitudinal study using data from the Nurse’ Health Cohort Study, involving 1,113 female nurses, free of MASLD at baseline (2018). Occupational stress was measured using the Chinese Nurse Job Stress Scale at four time points. Group-based trajectory modeling was used to identify distinct stress trajectories. Through doctors’ diagnoses, we assessed incident MASLD over a subsequent 6-year period from 2019 to 2024. Cox proportional hazards regression models evaluated the association of stress trajectories and MASLD risk, adjusting for demographics, work-related factors, and medical conditions.ResultsDuring follow-up, 256 nurses reported incident physician-diagnosed MASLD. Three occupational stress trajectories were identified: moderate decreasing (36.4%), moderate stable (55.9%), and moderate increasing (7.7%). Participants in the moderate increasing stress trajectory had a significantly higher risk of developing MASLD (adjusted HR: 3.14, 95% CI: 2.19–4.49, p < .001) compared to those in the moderate stable trajectory. This association between stress trajectory and MASLD risk was not modified by age or BMI (pinteraction>0.50).Conclusions and relevanceThe study concludes that increasing stress levels over time are associated with a higher incidence of MASLD. These findings underscore the importance of stress management interventions in reducing the risk of MASLD progression. Further research is needed to explore the underlying mechanisms and to develop targeted strategies for stress reduction in clinical settings.

The use of physiotherapy methods in the complex treatment of patients with chronic laryngitis

Purpose of the study. Issues of voice quality and health as the main means of communication are becoming increasingly relevant. The increase in the incidence of chronic laryngitis among patients of different age groups is due to a significant list of etiological factors, including deteriorating environmental conditions, exposure to bad habits, a significant increase in stress levels and the presence of chronic concomitant diseases. In this aspect, it is important to take into account the increasing load on the vocal apparatus, as well as the increasing requirements for voice quality in modern society. Materials and methods. The purpose of this study was to increase the effectiveness of complex conservative treatment of patients with chronic laryngitis as a result of exposure to low-intensity laser radiation on the larynx area. 52 patients with voice disorders were examined and treated and were divided into two groups. The results. In group 1, 24 patients received complex treatment, which included a course of drug inhalations, phonopedagogical correction, and compliance with the voice regime. In group 2, consisting of 28 patients, a similar complex conservative treatment was supplemented with laser therapy for the larynx area. When conducting a comparative analysis of the results of therapy, based on an assessment of the dynamics of patient complaints, data from a videolaryngostroboscopic study and acoustic analysis of the voice, a more pronounced improvement in the clinical and functional state of the larynx was found in patients of the 2nd group. Conclusion. Consequently, the use of low-intensity laser therapy on the larynx area as part of complex conservative treatment of chronic laryngitis helps to achieve a significantly predominant clinical result and improve the quality of life of patients with chronic pathology of the vocal apparatus.

Abstract 4134935: Impact of COVID-19 on Cardiology Fellows and Faculty in the United States: Two Years Later

Introduction: Recent data demonstrated that the COVID-19 pandemic adversely affected cardiovascular fellows in training (cFIT) and faculty in terms of educational disruption and search for job prospects, respectively. However, less is known about the pandemic's effect on cFIT and faculty in terms of general well-being, shifts in personal and professional priorities, quantitative measures of stress levels, and research productivity. Methods: A national survey targeting cFIT and faculty was developed to assess the effect of the pandemic two years later on these parameters. Fifty-four participants, including 21 cFIT and 33 faculty, responded to the survey. The survey was distributed between October 2021 and May 2022 to program directors of ACGME-accredited general cardiology fellowship programs in the United States. Results: 30% of cFITs perceived impaired clinical training during the pandemic; 36% of fellows experienced a decline in their clinical skills in the cardiac catheterization lab, while 27% experienced a decrease in their echocardiographic skills. Additionally, a significant percentage of cFIT reported negative interference in their competencies in nuclear cardiology (27%) and electrophysiology (12%). Most participants (76%), including faculty and fellows, reported several health issues such as sleep problems, low energy, changes in appetite, difficulty concentrating, and restlessness due to the pandemic. 43% of the faculty and 61% of cFIT reported high rates of impaired short-term productivity (Figure). Conclusion: In this national survey, we found that two years after the onset of the COVID-19 pandemic, cardiology fellows and faculty continued to experience significant concerns for decreased hands-on training and diminished research productivity. While faculty were not distressed regarding decreased clinical competencies, concerns about short-term and long-term research productivity persisted. Faculty and fellows all experienced increased stress levels and impaired productivity. Although limited by a small sample size, which can introduce bias, these results signal the importance of performing a follow-up study on the impact of COVID-19 on wellness as well as the impact on career.

Mental Health Status Of Nursing Professionals Working In The Surgical Center

Background: In Brazil, nursing professionals, including Nurses, Nursing Technicians, and Nursing Assistants, represent the majority of healthcare workers. As of April 2024, there are over 2 million nursing professionals registered in the country. These workers face increasing stress levels, with mental disorders related to work activities now accounting for 30% of global mental health issues. Nursing professionals in surgical centers provide critical psychological support to patients, offering comfort, stress relief, and care throughout the surgical process. This proposal aims to conduct a literature review to assess the mental health of nurses working in surgical blocks. Materials and Methods: This research is a Systematic Literature Review focused on the mental health of nursing professionals in the surgical block, analyzing studies from the past five years. Searches were conducted in databases like LILACS, MEDLINE, and Scopus, using specific inclusion and exclusion criteria. Articles were selected based on relevance, and data from these studies were extracted and critically evaluated. Results: This study reviewed seven articles on mental health issues among nurses in surgical centers, identifying stressors like work overload, lack of resources, and emotional strain. Key factors include poor work environment, long shifts, and insufficient support. Findings emphasize the need for better staffing, improved management, and emotional support to reduce burnout. The research advocates for structural interventions to improve nurses' well-being and patient safety. Conclusion: Stress and mental illness among nurses in surgical centers are influenced by organizational factors and workload. The review highlights the urgent need for interventions to improve their mental health and hospital efficiency

Impact of MaNu dietary counselling on Oxidative Stress and Gestational Weight Gain during pregnancy

Abstract According to the WHO guidelines, to counteract the excessive weight gain during pregnancy and to mitigate the increase in oxidative stress (OS) which naturally increases during pregnancy, a healthy lifestyle and a correct diet are crucial as preventive measures to promote health. The MaNu project was conceived precisely to control these factors through dietary counselling. We expect that pregnant women who voluntarily undergo an educational program consisting of specific and accurate dietary advice will be able to emphasize weight control and contain the increase in OS. Our randomized controlled trial (RCT) has a parallel group design and takes place in the Obstetrics and Clinical Nutrition Departments of Michele and Pietro Ferrero Hospital (Verduno, north-western Italy), where physiological pregnant women are enrolled between 12-17 gestational weeks (GWs). The educational intervention takes place between 12-24 GWs. Dietary habits were collected with a questionnaire and urine samples were analysed to quantify the OS using 15-F2t-isoprostane, malondialdehyde and total antioxidant power. The descriptive analyses are based on paired t-tests. Preliminary analyses on 76 women who completed two out of three time points (T0 and T1) indicate that, of women who received the intervention, 35% experienced excessive weight gain (based on guidelines), compared to 39% shown by controls. Following the counselling, the 15-F2t-isoprostane decreased significantly (mean T0=5.1 ng/ml vs. mean T1=3.5 ng/ml, p = 0.02). Concerning nutrient intake, a statistically significant reduction in sugar consumption has been found in the intervention group (mean T0=92.2 g vs. mean T1=83.3 g, p = 0.03). Conversely, no correlations have been detected between OS and the main pro and anti-oxidant macronutrients. Although promising, our findings need further verification since the RCT is still ongoing, and it is imperative to attain the anticipated sample size before drawing any definitive conclusions. Key messages • Dietary counselling during pregnancy should be implemented as a preventive strategy used to counteract potential pregnancy complications and ensure the well-being of both the mother and the baby. • Healthy diet is essential to control the increase in oxidative stress levels during pregnancy and to prevent excessive weight gain, factors that can lead to the onset of pregnancy complications.

How do crate materials impact the winter transport of broilers?

Pre-slaughter transportation adversely impacts the welfare, meat yield, and quality of broilers, yet the effects of different crate types on broiler chickens during winter remain underexplored. The goal of this study was to investigate the effect of plastic and iron crates in transit on meat quality, carcass, and physiological traits of broiler chickens during winter. A total of 175, 35-day-old Ross 308 male broilers with an average body weight of about 1,708 ± 33.3 g (mean ± standard error of the mean) were picked after 4 hours of feed withdrawal before transport. The control group comprises birds in the farm (n = 15) without transportation at 173 cm2/kg density. The birds were transported into fixed iron (25 birds per crate) and plastic crates (15 birds per crate) with four replicates per crate type at the same 173 cm2/kg densities. The transportation distance was 20 km for 40 min at an average speed of 30-50 km/h early morning at 8:00 am under - 1 ℃ and 47% relative humidity. There was no difference (p>0.05) in carcass traits among the treatments. Concerning meat quality, broilers transported in both crate types exhibited lower (p<0.01) a* values compared to the control group. Additionally, the iron crate group demonstrated higher (p<0.05) b* values for the breast meat compared to the other groups. In terms of blood metabolites, the iron crate group had higher (p<0.05) cortisol, glucose, and lactate levels compared to the control group that did not transport. Broilers transported in the iron crates increase stress levels in terms of higher cortisol, glucose, and lactate contents in the blood plasma compared to untransported broilers during the winter. Therefore, employing plastic crates, which induce significantly reduced cortisol and numerically lower glucose levels compared to iron crates, appears more favorable for animal welfare by mitigating stress.

9.X.1. Protecting the mental health of healthcare workers: evidence, policy and implementation challenges

Abstract Background There is growing evidence that highlights increasing stress levels and declining mental health among the global healthcare workforce, exacerbated by challenges within workplace environments, labour market and policy frameworks. These conditions place additional strain on an already vulnerable healthcare workforce and consequently threaten the stability of health systems as a whole, given the escalating challenges in retaining, recruiting and reactivating healthcare workers. Although the problems are evident, awareness is increasing and international organisations such as the WHO have advanced policy recommendations, comprehensive and context-specific interventions effectively addressing these problems at varying levels are missing. Objectives This innovative workshop offers a platform for bridging the gap between research evidence and policy interventions, stimulating policy learning and knowledge exchange across countries. The session provides an overview of existing knowledge and engages representatives of academia as well as national policymaking, and international organisations to critically discuss challenges as well as good practice experiences with a focus on implementation and problem-solving. The following major questions will be explored: What evidence is available regarding the mental health and wellbeing needs of the healthcare workforce? How are different countries responding to these needs and supporting healthcare workers more effectively? What are some best practice cases focusing on improving mental health support for healthcare workers across various groups, considering diverse needs, gender-inclusiveness, and minority groups? Finally, how can evidence-based policymaking be improved, and how can the implementation of these policies be advanced in a more effective manner? Thesession will encourage critical debate and identify major policy recommendations, focusing on governance and implementation strategies. In the second half of the session, the panel will engage the audience in an interactive discussion to explore novel solutions that prioritise the wellbeing of healthcare workers and effectively address the healthcare workforce crisis in a more person-centred and ‘humanised’ manner. The workshop supports cross-country learning and networking opportunities. Key messages • Mental health and wellbeing of the healthcare workforce is crucial for health system resilience and needs stronger advocacy for coordinated multi-level governance action. • Establish a health system and governance approach together with comprehensive monitoring and qualitative comparative workforce studies to identify transformational policies in contextual settings.

Mothers' Stress as a Predictor of Preschoolers' Stress in the Context of Parental Practices.

Over the past decade, there has been a significant increase in distress among children, as well as in the long-term effects of childhood stress. Parents, particularly mothers, are the most important social partners for preschool-aged children and may help protect them from stress. The current study aims to investigate how parental practices impact children's perceived stress in relation to their mothers' stress. The sample comprised 346 mothers of preschoolers aged 20 to 48 years (M = 34.39, SD = 6.16). Participants completed an online survey that included the Perceived Stress Scale for Parents of Preschoolers, the Perceived Stress Scale, the Alabama Parenting Questionnaire-Preschool Revision, and questions regarding their socio-demographic characteristics. Punitive parenting contributed positively, while positive parenting contributed negatively to children's distress. When mothers' perceived stress was taken into account, positive parenting lost its significance. Punitive parenting and maternal perceived stress were the only positive predictors of child distress. Stress in mothers may lead to a decrease in their involvement in the upbringing and parenting of preschoolers, potentially contributing to increased stress levels in children. Intervention programs aimed at reducing preschoolers' stress should incorporate classes for parents that also could be focused on stress regulation for parents and training in positive parenting practices.

Central Precocious Puberty During the COVID-19 Pandemic Period: A Systematic Review of Literature.

Central precocious puberty (CPP) is a condition where the hypothalamus-pituitary-gonadal axis is activated earlier than normal, leading to premature development of secondary sexual characteristics before eight years of age in girls and nine years of age in boys. The purpose of this study was to critically and systematically evaluate the literature regarding CPP rise during the COVID-19 pandemic. We searched PubMed and Google Scholar for relevant articles using the following MeSH terms: "COVID-19, "precocious puberty," "early puberty," "pediatric endocrinology," and "pandemic effects." We included studies calculating the risk of CPP before and during the COVID-19 pandemic. We excluded studies looking at patients with an identifiable cause for CPP or with peripheral precocious puberty. The primary outcome was the prevalence of central precocious puberty during the pandemic compared to the pre-pandemic period. We analyzed data regarding anthropometric, biochemical, and pelvic ultrasound data between the two groups. Overall, 16 studies with 2.175 subjects were included, of which 1.818 were diagnosed with CPP. There was a rise in the number of new diagnoses of CPP during the COVID-19 pandemic (985 subjects) compared with the pre-pandemic period (833 subjects). The mean age of diagnosis in the first group was 7.42 years versus 7.54 years in the second group. Notably, CPPduring the pandemic was associated with a higher body mass index (BMI) compared with the group of the pre-pandemic period (17.50 versus 17.08). The pandemic and lockdowns led to changes in lifestyle habits, social isolation, sleep disturbance, excess screen time, and increased stress levels. We hypothesize that these alterations influenced the increase in CPP frequency.

The effects of noise on objective and subjective measures during speech recognition tasks as stress indicators: preliminary results

Objective indicators of stress associated with annoyance scales are essential tools to advance knowledge in the area. Electrodermal activity (EDA) can be used to evaluate physiological responses, providing a picture of autonomic nervous system. Twenty-five adults were evaluated at three situations of speech recognition tasks with monosyllables: in quiet, competitive noise at 65 dBA and 75 dBA. After each situation with noise, the annoyance scale was applied. After, low-pass filtering was used, and phasic phase was analyzed. Results showed that the percentage of speech recognition hits decreased significantly with noise at 75 dBA (p&lt;0.01), when compared to the situation without noise. Furthermore, it was found that annoyance increased significantly as noise at 75 dBA (p&lt;0.01), when compared to 65 dBA. In relation to EDA, there was a significant increase in the number of peaks when comparing speech recognition situations without noise and with noise at 75 dBA (p&lt;0.01), but not for noise at 65 dBA. Regarding the amplitude of the first skin conductance response peak, there was no significant difference between the three situations. These findings suggest that higher noise levels impact on speech recognition and annoyance, causing greater listening effort and increasing stress levels.

Coping Strategies in Analyzing the Stress Impact of Online Gambling Addiction for Children and Adults

Increased internet accessibility has opened up opportunities for people to engage in various types of gaming, such as poker, online casinos, sports betting, and slot machines. This research aims to describe coping strategies for minimizing the stressful impact of online gambling addiction. This research uses a qualitative approach with a literature study. The results of this research reveal that online gambling addiction has a serious impact on people's stress levels in Indonesia. Factors such as financial losses, uncertainty of gambling outcomes, and interpersonal tension due to excessive involvement in online gambling activities are the main causes of increased stress levels. Coping strategies to minimize the stressful impact of online gambling addiction are achieved by focusing efforts on financial management, social support, and developing entertainment alternatives. The study found that dependence on online gambling triggers significant stress in both children and adults. The stress was caused by a variety of factors, including financial loss, impaired social relationships, and psychological impacts such as anxiety and depression.

Turbulent flow field in maglev centrifugal blood pumps of CH-VAD and HeartMate III: secondary flow and its effects on pump performance.

Secondary flow path is one of the crucial aspects during the design of centrifugal blood pumps. Small clearance size increases stress level and blood damage, while large clearance size can improve blood washout and reduce stress level. Nonetheless, large clearance also leads to strong secondary flows, causing further blood damage. Maglev blood pumps rely on magnetic force to achieve rotor suspension and allow more design freedom of clearance size. This study aims to characterize turbulent flow field and secondary flow as well as its effects on the primary flow and pump performance, in two representative commercial maglev blood pumps of CH-VAD and HeartMate III, which feature distinct designs of secondary flow path. The narrow and long secondary flow path of CH-VAD resulted in low secondary flow rates and low disturbance to the primary flow. The flow loss and blood damage potential of the CH-VAD mainly occurred at the secondary flow path, as well as the blade clearances. By contrast, the wide clearances in HeartMate III induced significant disturbance to the primary flow, resulting in large incidence angle, strong secondary flows and high flow loss. At higher flow rates, the incidence angle was even larger, causing larger separation, leading to a significant decrease of efficiency and steeper performance curve compared with CH-VAD. This study shows that maglev bearings do not guarantee good blood compatibility, and more attention should be paid to the influence of secondary flows on pump performance when designing centrifugal blood pumps.

Examining the applicability of virtual battle space for stress management training in military personnel-A validation study.

Military personnel are often exposed to high levels of both physical and psychological challenges in their work environment and therefore it is important to be trained on how to handle stressful situations. The primary aim of this study was to examine whether military-specific virtual battle space (VBS) scenarios could elicit a physiological and subjective stress response in healthy military personnel, as compared to that of a virtual reality height exposure (VR-HE) stress task that has shown to reliably increase stress levels. Twenty participants engaged in two VBS scenarios and the VR-HE during separate sessions, while measurements of heart rate (HR), heart rate variability (HRV), respiration rate, and subjective stress levels were collected. Contrary to our initial expectations, analysis revealed that neither of the VBS scenarios induced a significant stress response, as indicated by stable HR, HRV, and low subjective stress levels. However, the VR-HE task did elicit a significant physiological stress response, evidenced by increased HR and HRV changes, aligning with previous research findings. Moreover, no discernible alterations were detected in cognitive performance subsequent to these stressors. These results suggest that the current VBS scenarios, despite their potential, may not be effective for stress-related training activities within military settings. The absence of a significant stress response in the VBS conditions points to the need for more immersive and engaging scenarios. By integrating interactive and demanding elements, as well as physical feedback systems and real-time communication, VBS training might better mimic real-world stressors and improve stress resilience in military personnel. The findings of this study have broader implications for stress research and training, suggesting the need for scenario design improvements in virtual training environments to effectively induce stress and improve stress management across various high-stress professions.

Assessment of the Impact of Bone Quality and Abutment Configuration on the Fatigue Performance of Dental Implant Systems Using Finite Element Analysis (FEA).

The aim of this study was to evaluate the influence of abutment angulation, types, and bone quality on fatigue performance in dental implant systems. Three-dimensional models of maxillary 3-unit fixed implant-supported prostheses were analyzed. Abutments with different angles and types were used. Healthy bone (Hb) and resorbed bone (Rb) were used. Conducted on implants, a force of 150 N was applied obliquely, directed from the palatal to the buccal aspect, at a specific angle of 30 degrees. The stress distribution and fatigue performance were then evaluated considering the types of bone used and the angles of the three different abutments. The simulation aspect of the research was carried out utilizing Abaqus 2020 software. In all models, fatigue strengths in healthy bone were higher than in resorbed bone. Maximum stress levels were seen in models with angled implants. In almost all models with resorbed bone, fatigue performances were slightly lower. Increasing the abutment angle has been shown to increase stress levels and decrease fatigue performance in the adjacent bone and along the implant-abutment interface. In general, implants applied to healthy bone were found to have a higher success rate. It has also been suggested that multiunit abutments have beneficial effects on stress distribution and fatigue performance compared to resin cemented abutments. The type or angle of abutment and the quality of the bone can lead to biomechanical changes that affect the force distribution within the bone structure surrounding the implant. Clinicians can influence the biomechanical environment of the implant site by varying the abutment angle and type to suit the condition of bone health, potentially affecting the long-term success of implant treatment.

Environmental study and stress-related biomarkers modifications in a crew during analog astronaut mission EMMPOL 6.

Human presence in space is increasingly frequent, but we must not forget that it is a hostile environment. We aimed to study the characteristics of experimental scenarios, to obtain data on human response to isolation, disruption of circadian rhythm and high levels of psychophysical stress. In these experiments, we evaluated stress response in five young healthy subjects inside an earth-based moon-settlement-like habitat during a 1-week long analog astronaut mission. Wearable devices were used to monitor daily step count of the subjects, physical activity, heart rate during physical exercise and at rest, and sleep parameters. From saliva and urine samples collected every day at awakening, we studied oxy-inflammation biomarkers and hormones (stress and appetite) were studied too. At the end of the week, all subjects revealed an increase in oxidative stress and cortisol levels but no inflammation biomarkers variations, in conjunction with increasing time/daily exercise. Furthermore, a significant decrease in hours of sleep/day, sleep quality, and REM phase of sleep was recorded and correlated with the increase of reactive oxygen species. Oxidative stress increased in a short period of time and may be attributed to the influence of psychological stress during confinement, as well as increased exercise and decreased amount of sleep. On a long-term basis, this could impact performance.

Interconnections of screen time with neuroinflammation.

The increasing prevalence of screen time among modern citizens has raised concerns regarding its potential impact on neuroinflammation and overall brain health. This review examines the complex interconnections between screen time and neuroinflammatory processes, particularly in children and adolescents. We analyze existing literature that explores how excessive digital media use can lead to alterations in neurobiological pathways, potentially exacerbating inflammatory responses in the brain. Key findings suggest that prolonged exposure to screens may contribute to neuroinflammation through mechanisms such as disrupted sleep patterns, diminished cognitive engagement, and increased stress levels. Similarly, we discuss the implications of these findings for mental health and cognitive development, emphasizing the need for a balanced approach to screen time. This review highlights the necessity for further research to elucidate the causal relationships and underlying mechanisms linking screen time and neuroinflammation, thereby informing guidelines for healthy media consumption.