stress relieving
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2022 ◽  
Vol 22 (1) ◽  
Author(s):  
Marc-Antoine Landry ◽  
Kumar Kumaran ◽  
Juzer M. Tyebkhan ◽  
Valerie Levesque ◽  
Marcello Spinella

Abstract Background Parents of babies admitted to the Newborn Intensive Care Unit (NICU) undergo considerable stress. There is evidence that mindfulness reduces stress in these parents. Kangaroo Care (KC) is practiced in NICUs across the world and is stress-relieving. Whether mindfulness practiced during KC in the NICU reduces parental distress has not yet been studied. The objective was to explore the feasibility and acceptability of teaching and practicing mindfulness during KC for mothers of premature babies. The objective was also to document preliminary outcomes of Mindful Kangaroo Care (MKC) on maternal stress, anxiety, depression, and mindful awareness. Methods In this pilot randomized controlled study, mothers of premature babies who were expected to stay in the NICU for at least four weeks were taught two mindfulness exercises to practice during KC and compared to mothers who received standard care with no mindfulness teaching. Mothers filled out stress, anxiety, depression and mindful awareness scales at recruitment and after four weeks. Acceptability and feasibility questionnaires were also completed. Results Fifteen mothers per group completed the study. The MKC group demonstrated a significant within-group reduction in anxiety (p = 0.003), depression (p = 0.02) and stress (p = 0.002), and a significant increase in both the curiosity (p = 0.008) and decentering (p = 0.01) scores of the Toronto Mindfulness Scale, all of which had medium to large effect sizes. Only the increases in curiosity and decentering were significant between groups. Fourteen mothers found the intervention acceptable, one neutral. Conclusion MKC was acceptable, feasible and led to a reduction in stress, anxiety and depression in mothers who practiced mindfulness exercises during KC.


Metals ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 122
Author(s):  
Maxwell Hein ◽  
David Kokalj ◽  
Nelson Filipe Lopes Dias ◽  
Dominic Stangier ◽  
Hilke Oltmanns ◽  
...  

In biomedical engineering, laser powder bed fusion is an advanced manufacturing technology, which enables, for example, the production of patient-customized implants with complex geometries. Ti-6Al-7Nb shows promising improvements, especially regarding biocompatibility, compared with other titanium alloys. The biocompatible features are investigated employing cytocompatibility and antibacterial examinations on Al2O3-blasted and untreated surfaces. The mechanical properties of additively manufactured Ti-6Al-7Nb are evaluated in as-built and heat-treated conditions. Recrystallization annealing (925 °C for 4 h), β annealing (1050 °C for 2 h), as well as stress relieving (600 °C for 4 h) are applied. For microstructural investigation, scanning and transmission electron microscopy are performed. The different microstructures and the mechanical properties are compared. Mechanical behavior is determined based on quasi-static tensile tests and strain-controlled low cycle fatigue tests with total strain amplitudes εA of 0.35%, 0.5%, and 0.8%. The as-built and stress-relieved conditions meet the mechanical demands for the tensile properties of the international standard ISO 5832-11. Based on the Coffin–Manson–Basquin relation, fatigue strength and ductility coefficients, as well as exponents, are determined to examine fatigue life for the different conditions. The stress-relieved condition exhibits, overall, the best properties regarding monotonic tensile and cyclic fatigue behavior.


2021 ◽  
Vol 16 (3) ◽  
pp. 916-927
Author(s):  
Amit Saha Roy

One of the oldest habits of human beings is chewing gum. It has continued from ancient civilizations to the current time. Gum chewing provides a relaxing experience that individuals enjoy for a long time. The non-food item, chewing gum, has a long history. The gradual progression of its development has provided us with a greater flavour as well as extra medicinal properties. Chewing gum is known for its stress-relieving qualities as well as its ability to keep our mouths fresh. Soon, ‘chewing gum’ will be included as part of the drug delivery mechanism. Unfortunately, it has had some negative consequences. Modern chewing gum is made of non-biodegradable hydrophobic polymers together with artificial sweeteners and flavours. So, chewing this sort of synthetic material over a long time could produce some adverse effects. After chewing, most individuals throw the waste part of chewing gum everywhere, resulting in environmental trash known as 'gum pollution. Each year, chewing gum generates more than 105 tonnes of "plastic" garbage. Thus, the discarded non-biodegradable residue of the gum produces plastic pollution. Every year, enormous sums of money are spent to clean up the abandoned gum from the streets. Again, it has a high potential to trap bacteria inside. Therefore, this widespread habit causes an additional nuisance in this pandemic situation. As a result, the waste part of the gum has multiple dimensions to pollute our environment. Gum disposal has become a major problem all across the world. Gum litter can only be reduced by properly disposing of gum. As a result, it's time to reconsider the role of chewing gum in terms of human health and the environment. This article emphasizes the importance of proper waste (gum) disposal and calls for increased awareness to safeguard our environment from "gum pollution."


2021 ◽  
Author(s):  
Dheepa Srinivasan ◽  
Dayananda Narayana

Abstract The heat treatment response of AlSi10Mg via laser powder bed fusion (LPBF) has been studied via detailed microstructural characterization. The effect of solutioning (S) and water quenching (WQ) vs furnace cooling (FC), and direct aging (DA) vs solutioning and aging (SA), has been analysed, for microstructure and tensile properties. 11 heat treatments were carried out to map the partitioning of Si, starting with stress relieving at 200 °C vs 300 °C, followed by solution heat treatment at 430°C vs 530 °C, water quenching vs furnace cooling, aging at 160 °C vs direct aging at 160 °C, to establish the microstructure of LPBF AlSi10Mg alloys for potential applications. The microstructure at 430 °C and 530 °C shows Si precipitate fractions of 25% and 14%, respectively. Room temperature mechanical properties, revealed the 300 °C, 2 h stress relieved sample with the highest strength and ductility (YS of 230 MPa and 16%). At 430 °C, both water quenching and furnace cooling showed similar strengths and 16% elongation, while at 530 °C, there was a much lower elongation (8–9%) with the T6 (53 °C, WQ, SA) showing higher strength and elongation. This study brings out the importance of being able to choose the heat treatments suitable to AlSiMg part geometry, via LPBF additive manufacturing for various applications.


2021 ◽  
Vol 13 (2) ◽  
pp. 93-111
Author(s):  
Béla Istók ◽  
Gábor Lőrincz

Abstract This paper undertakes the introduction to virolinguistics, a new linguistic discipline that investigates the virus language (virolect) based on the Hungarian linguistic material drawn from the scientific literature and our own collection. The goal of this work is to evaluate the effect of the pandemic on certain aspects of the Hungarian language: genres, vocabulary, communication, the linguistic landscape, and social media. The linguistic materials of these various areas play an important role in our society: they have a warning, entertaining, or stress-relieving function. Due to the restrictions, most studies have moved to the Internet. The methodological paradox of virolinguistics can be identified in the fact that it disregards certain scientific standards in order to assist linguists in collecting their valuable linguistic and visual materials.


Land ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 1323
Author(s):  
Xin Cao ◽  
Yen Hsu

Urban parks are important urban public spaces that guarantee people recreation, create positive emotions and relieve stress. Emerging research has shown that natural soundscapes are associated with restorative landscapes in urban parks. However, there is still a lack of knowledge on the use of physiological indexes to evaluate the effects of natural sounds versus human-based sounds on stress relief. In this study, the three physiological indexes of skin conductance level, heart rate and heart rate variability were collected in Fuzhou West Lake Park with the help of Ergo LAB data platform, and a soundscape perception evaluation questionnaire was used to assess the degree of soundscape perceptions in the sample sites. The differences in the stress relieving effects of different urban park environments were analysed by applying the median test, the Wilcoxon test was applied to analyse the effects of soundscapes and urban park environments on relieving stress, and regression analysis was used to identify the important factors of restorative soundscapes. The results found that urban park environments provide a certain degree of stress relief, but the stress relieving effects of different urban park environments vary and that natural spaces play an important role in relieving stress. Urban park soundscapes are key to restorative environmental design, with natural sounds such as birdsong and stream sound being important factors of restorative soundscapes.


2021 ◽  
Vol 12 ◽  
Author(s):  
Kathrin Mayer ◽  
Marina Krylova ◽  
Sarah Alizadeh ◽  
Hamidreza Jamalabadi ◽  
Johan van der Meer ◽  
...  

Background: Stress adversely affects the attentional focus, the active concentration on stimuli, and increases susceptibility to distraction. To experimentally explore the susceptibility to distraction, the Attention Modulation by Salience Task (AMST) is a validated paradigm measuring reaction times (RT) for processing auditory information while presenting task-irrelevant visual distractors of high or low salience. We extended the AMST by an emotional dimension of distractors and an EEG-based evaluation. We then investigated the effect of the stress-relieving medication Neurexan (Nx4) on the participants' susceptibility to distraction.Methods: Data from a randomized, placebo-controlled, crossover trial (NEURIM study; ClinicalTrials.gov: NCT02602275) were exploratively reanalyzed post-hoc. In this trial, 39 participants received a single dose of placebo or Nx4 immediately before the AMST. Participants had to discriminate two different tone modulations (ascending or descending) while simultaneously perceiving task-irrelevant pictures of different salience (high or low) or valence (negative or positive) as distractors. Using EEG recordings, RT and the event-related potential (ERP) components N1, N2, and N3 were analyzed as markers for susceptibility to distraction.Results: In the placebo condition, we could replicate the previously reported task effects of salient distractors with longer RT for high salient distractors on the behavioral level. On the electrophysiological level, we observed significantly increased amplitudes of the N2 and N3 ERP components for positive emotional pictures. In terms of drug effect, we found evidence that Nx4 reduced distractibility by emotional distractors. The effect was shown by significantly reduced amplitudes of N2 and N3 ERP components and reduced RT for the positive valence domain under Nx4 compared to placebo. The Nx4 effects on RT and ERP components also showed a significant correlation.Conclusion: Emotional distractors in addition to the previously used salience distractors and the EEG based evaluation of ERPs valuably complement the AMST. Salient distractors were affecting attentional processes earlier, while valent distractors show modulatory effects later. Our results suggest that Nx4 has beneficial effects on attention by inhibiting the effect of task-irrelevant information and reducing susceptibility to emotionally distracting stimuli. The observation of a beneficial impact of Nx4 on attention regulation is supportive of Nx4's claim as a stress-relieving medication.


2021 ◽  
Author(s):  
Paul Georg Werthmann ◽  
Dirk Cysarz ◽  
Johannes Naumann ◽  
Monique van Dijk ◽  
Roman Huber ◽  
...  

Abstract • Background: Patients’ physiological stress reactions to surgery have been ameliorated by refining surgical techniques, and improving pain therapy. Moreover, another way to reduce stress could be the use of Rhythmical embrocation (RE), a type of bodily massage applied with soft strokes, which has been shown to reduce the subject’s pulse rate and blood pressure. This trial will investigate whether RE is effective to reduce stress, and what effects it exerts on sleep quality, nausea and vomiting, pain, medication consumption, mood, mobility, and length of hospital. Furthermore, the occurrence of complications associated with RE will be established. • Methods: A randomized controlled, three-arm parallel group trial will include 60 patients with colorectal cancer scheduled for surgery, randomized into three different intervention groups: (1) RE performed by professionals, (2) RE performed by students; and (3) empathic conversation. The intervention will be performed twice daily over four consecutive postoperative days. Before and after the intervention days, heart rate variability (primary outcome) will be established overnight as a measure of stress. The patients will fill out questionnaires on pain, sleep, nausea/vomiting and well-being. Possible complications from RE will be recorded daily. Vital signs, medication and surgery data will be retrieved from the patient record. Nursing students will be interviewed about job satisfaction, empathy and their identification with RE.• Discussion: Massage has been shown to have stress relieving effects. However, it’s effectiveness in clinical settings is rarely investigated. With the postoperative setting we investigate massage in a situation of high physiological stress. Reduction of stress perioperatively has shown to reduce complications and improve recovery. With heart rate variability we include a physiologic, objective parameter to supplement them against the questionnaire responses of patients. Massage might reduce stress in stressful situations in healthcare and contribute to a better outcome of these patients. Trial registration: The trial has been registered in the German Clinical Trials Register (DRKS) under the ID DRKS00023407 on 2nd November 2020. The trial was approved by the ethics committee of the University Medical Center Freiburg under the number 356/20 on 20th October 2020.


Metals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1762
Author(s):  
Hyunseok Cheon ◽  
Kyu-Sik Kim ◽  
Sunkwang Kim ◽  
Sung-Bo Heo ◽  
Jae-Hun Lim ◽  
...  

The effect of plastic deformation applied to AISI 316L in low-temperature vacuum carburizing without surface activation was investigated. To create a difference in the deformation states of each specimen, solution and stress-relieving heat treatment were performed using plastically deformed AISI 316L, and the deformation structure and the carburized layer were observed with EBSD and OM. The change in lattice parameter was confirmed with XRD, and the natural oxide layers were analyzed through TEM and XPS. In this study, the carburized layer on the deformed AISI 316L was the thinnest and the dissolved carbon content of the layer was the lowest. The thickness and composition of the natural oxide layer on the surface were changed due to the deformed structure. The natural oxide layer on the deformed AISI 316L was the thickest, and the layer was formed with a bi-layer structure consisting of an upper Cr-rich layer and a lower Fe-rich layer. The thick and Cr-rich oxide layer was difficult to decompose due to the requirement for lower oxygen partial pressure. In conclusion, the oxide layer is the most influential factor, and its thickness and composition may determine carburizing efficiency in low-temperature vacuum carburizing without surface activation.


2021 ◽  
Vol 918 (1) ◽  
pp. 012009
Author(s):  
B Baroqah ◽  
R G G Sudjata ◽  
D J Irawan

Abstract Due to the COVID-19 pandemic, the new normal has prioritized health and well-being among others through nature-based healing as offered by Perum Perhutani, a state-owned enterprise that manages forests in Java and Madura. Healing Forest or forest therapy is an activity to relieve stress, both physically and mentally, combining nature-based healing media and stress relieving activities. Due to the importance, one of the destinations managed by Perum Perhutani, namely Ranca Upas, was chosen as the pilot project of the Healing Forest Program. This study was aimed at determining healing treatments for relieving stress by utilizing the nature-based healing media through natural forest characteristic indicators. Data collection techniques were carried out through Focus Group Discussion (FGD) with a psychiatrist as determinants of treatments and also through modeling and direct simulations to acquire the results. The program focused on two main indicators: forest characteristics and stress relieving treatments for 10 participants. The simulation results show significant improvements in participants’ oxygen level absorption, blood pressure, and heart rate from pre-test until post-test. There were three base treatments used in the simulation. Those treatments decreased the blood pressure for the average 6.1% (there were 3 participants out of 10 experiencing a change from high-normal to normal blood pressure), decreased the heart rate per minute for the average 13.2% (with the result of post-test were good and very good heart rated) and increased the oxygen level for the average 3.1% (there were 4 participants out of 10 experiencing a change from mild hypoxemia to normal oxygen level). These findings provide healing treatments for relieving stress and anxiety by utilizing the nature-based healing media through natural forest characteristic indicators.


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