Live Body Research Articles

Simultaneously inhabited lifeworlds: A phenomenological approach to understanding peace and conflict

This article seeks to show the value of a phenomenological lens in understanding conflict-affected societies. In particular, it uses a phenomenological lens to unpack how individuals and communities simultaneously inhabit a number of lifeworlds as part of navigating through life in conflict-affected contexts. A lifeworlds approach, and its emphasis on the micro-dynamics of everyday life, sheds light on the apparent contradictions experienced and lived in conflict-affected contexts. The article utilises Van Manen’s four-part framework of ‘existentials’: lived space (spatiality), lived body (corporeality), lived time (temporality) and lived human relations (relationality or communality) to show how people construct lifeworlds that hold contradictions. In one reading, these contradictions help perpetuate division. In another reading, this ability to inhabit multiple and often contradictory lifeworlds represents everyday diplomacy or a non-escalatory conflict management that allows society to function, even in a dysfunctional way. The article draws on detailed and highly localised research in Colombia, Lebanon and Northern Ireland.

Effect of Supplementation of Spirulina (Spirulina platensis) on Growth Performance of Broiler in Konkan Region, India

The experimental trial of six weeks was conducted on 200 broiler chicks. They were randomly distributed into five experimental treatment groups. Each treatment group was replicated into four with 10 birds per replication. The control (T1) group was fed standard ration and T2, T3, T4 and T5 group were provided same standard ration supplemented with 1.00 g, 2.00 g, 3.00 g and 4.00 g spirulina powder, respectively. The result of experimental trial showed that supplementation of spirulina powder was significantly highest live body weight in treatment T5 (1944.50 g/bird) as well as average live body weight gain (277.79 g/bird). It is concluded that, 4.00 g of spirulina powder significantly improved growth performance of broiler chicks than other treatments groups.

Effect of terracotta drinker and/or water addition of ASPRO‐C plus on behavior, growth, and physiological response of broiler chickens exposed to high temperature

AbstractThis study aimed to evaluate the effects of a terracotta drinker and/or water supplementation with ASPRO‐C Plus on the zootechnical performance of broiler chickens reared in a hot environment. A total of 160 Cobb 500 broiler chicks of 15 days old (240.2 ± 39.82 g) were divided into four treatment groups in a 2 x 2 factorial arrangement of drinker type (plastic or terracotta) and water with or without ASPRO‐C Plus (1 g/L) supplementation, each consisting of 4 replicate pens. Respiratory rate, water intake, feed intake, and live body weight were recorded weekly. At 49 days old, 12 birds per group were randomly selected, fasted for 12 h, weighed, and slaughtered for carcass evaluation and blood collection. The respiration rate of broilers decreased significantly (p < 0.01) with the terracotta drinker as compared to the plastic drinker. The water intake, the feed intake and the body weight gain increased significantly (p < 0.01) with the terracotta drinker as compared to the plastic drinker. The water addition of ASPRO‐C Plus significantly increased (p < 0.01) the relative weight of abdominal fat and spleen in broilers. The alpha‐amylase activity was significantly decreased (p < 0.01) with the water addition of ASPRO‐C Plus. The serum content of total cholesterol was significantly increased (p < 0.01) with the terracotta drinker. It can be concluded that ASPRO‐C Plus can slightly improve liveability, but using the terracotta drinker can be more efficient in reducing the behavioral response to heat stress and can improve the growth performance.

Effect of Feed Supplementation of Shatavari Root Powder (Asparagus racemosus) on Growth Performance of Broiler in Konkan Region

The present study aimed to highlights the effect of feed supplementation of Shatavari root powder (Asparagus racemosus) on growth performance of broiler in Konkan region. A substantial portion of the production expenses is attributed to the cost of feed and in a developing country like India, the supply of quality and affordable feed has been inconsistent. To enhance the overall productivity of poultry birds, it is imperative to maintain a reliable source of low-cost feed. The experimental trial of six weeks was undertaken for total 200-day old broiler chicks. They were randomly distributed into five experimental diets. Each treatment group was replicated into four with 10 birds per replicate. The control (T0) group was fed standard ration and T1, T2, T3, and T4 group were provided same standard ration supplemented with 5.00, 10.00 , 15.00 and 20.00 g /kg Shatavari root powder, respectively. Result of experiment showed that supplementation of Shatavari root powder was significantly highest live body weight in treatment T2 (1852.50 g/bird) as well as average live weight gain (264.64 g/bird). It is concluded that, 10.00 g of Shatavari root powder significantly improved growth performance than other treatments groups.

Enhancing Broiler Growth and Carcass Quality: Impact of Diets Enriched with Moringa oleifera Leaf Powder Conjugated with Zinc Nanoparticles

This study evaluated the effects of Moringa oleifera leaf powder extract stabilized with zinc nanoparticles (ZnNPs-MLPE) as a natural growth promoter in broiler diets. Randomly assigned 264 one-day-old Ross 308 chicks to four different feeding treatments, with each group being subdivided into six replicates, each comprising 11 unsexed chicks. The control group was fed a basic diet without additives, while the experimental groups were supplemented with 1.0, 2.0, or 3.0 cm³ of ZnNPs-MLPE/L of diet. The findings demonstrated that 2.0 and 3.0 cm³/L ZnNPs-MLPE supplementation significantly enhanced live body weight (LBW) and weight gain (BWG). Feed intake (FI) and feed conversion ratio (FCR) did not show significant differences between the treated groups and the control, indicating that the additive did not negatively affect feed efficiency. However, an increase in abdominal fat was noted in the ZnNPs-MLPE treatments relative to the control. Blood analysis revealed that the ZnNPs-MLPE groups had significantly lower levels of "total cholesterol (TC), triglycerides (TG), low-density lipoprotein (LDL), very low-density lipoprotein (VLDL), and alanine transaminase (ALT) compared to the control group. In contrast, total protein (TP), albumin, and the albumin/globulin (A/G) ratio" were higher in the ZnNPs-MLPE groups. Immunoglobulins IgY and IgM, as well as superoxide dismutase (SOD) levels, were elevated. Malondialdehyde (MDA) levels were reduced, indicating improved antioxidant capacity and immune function in the ZnNPs-MLPE-treated groups. In conclusion, supplementation with ZnNPs-MLPE at 2.0 and 3.0 cm³/L positively impacted broiler growth efficiency, antioxidant capacity, and immunological functionality. These findings support the potential of ZnNPs-MLPE as an effective natural growth enhancer for producing healthier poultry products.

Research on the Correlation between Quantum Entanglement and Thinking Consciousness

The development of quantum technology has profoundly influenced research on consciousness. By analyzing the interaction of various microscopic particles in the universe, the article proposed that all things exhibit interconnected non-locality in both time and space, and that the interrelated connections of everything in the universe are based on quantum entanglement. Through analysis of the cellular and nervous system functions of organisms, as well as the influence of quantum science theories on consciousness and combined with research results in related fields, this paper presents the following viewpoints: first, life bodies exhibit quantum entanglement phenomena. Second, biological electricity phenomena are closely tied to consciousness. Third, both life bodies and non-life bodies are conscious, but different entities exhibit varying degrees of strong and weak consciousness. The strong and weak thinking consciousness influences the fluctuation of quantum and the size of quantum entanglement degree. Quantum fluctuations affect the consciousness of both life bodies and non-life bodies, and the entanglement quantum influences the degree of inductance between each other. Finally, the combination of quantum entanglement technology and thinking consciousness can realize the interconnection between human beings and the universe. Consciousness may affect the results measured in quantum mechanics when people observe. However, the macroscopic world mainly adopts the laws of classical physics to solve problems in life. Under certain conditions, the law of quantum physics and the law of classical physics can affect people’s lives together. No matter what angle we view the material world, it is real, and the universe is not illusory.

Evaluate the role of Moringa oleifera in improving the performance and productivity of broiler chickens

Moringa oleifera, popularly known as the "tree of life" or "miracle tree," is considered an essential herbal plant due to its numerous medical and non-medicinal properties. So, the current study aimed to evaluate the role of M. oleifera in improving the performance and productivity of broiler chickens. 120 broiler chicks of the Lohman breed were raised in the poultry field belonging to the College of Agriculture/University of Tikrit for the period from February to April 2024. The herd was divided into three groups: the first group was the control treatment, and the second group was given 10% M. oleifera leaf powder to the diet. As for the third group, 10% M. oleifera seed oil was used with the feed, this study was designed to calculate the following criteria: live body weight, weight gain, feed intake, and mortality rate. The results showed that the live body weight was better in treatment with M. oleifera seed oil (2095.16±25.42) compared to treatment with M. oleifera leaves (1983.14±29.26) still, when compared to the control group (1842.65±13.57), the two groups had a significant difference (P≤0.05). The average weight gain was better in treatment with M. oleifera seed oil (1968.83±12.62) compared to treatment with M. oleifera leaves (1935.37±8.02), but the two groups showed a significant difference (P≤0.05) compared with the control group (1820.61± 11.35). The average of feed intake was better in treatment with M. oleifera seed oil (3391.41±9.57) compared to treatment with M. oleifera leaves (3315.27±11.82) still, when compared to the control group (3137.18±14.21), the two groups had a significant difference (P≤0.05). the mortality rate was better in treatment with M. oleifera seed oil (2.5%) compared to treatment with M. oleifera leaves (5.0%), but the two groups were better than the control group (7.5%). it is concluded that the leaves and seed oil of M. oleifera are a good enhancer in improving the performance and productivity of broiler chickens.

Statistical modelling of growth curve for longitudinal data on a feeding trial in goat breeds

The growth curve parameters were estimated extending a linear regression to higher degree polynomial with attempts to use also the biologically appealing Gombertz function. The data contained monthly weight records from weaning to the age of 14 months of kids in two Omani goat breeds Sahrawi and Jabbali used in a feeding trial assessing the effect of concentrate supplement (14% crude protein). The growth curve parameters were estimated within the fixed effects breed and feed concentrate level (2 or 3% of live body weight) with an extension to mixed models using animals as random effects. The parameters and model contrasting were performed with ML or REML as appropriate with relative comparison relying on AIC and significance testing of estimated parameters. The mixed model analyses were performed with publicly available R software package programs. The fixed effect cubic regression with linear random effect model fitted into the data. The higher level of concentrates improved the immediate post-weaning growth in the same way in the breeds while the subsequent growth curve differed with more pronounced weight increments in the Jabbali breed.

"Hanging on by a Thread": The Lived Experience of Parents of Children with Medical Complexity.

Families with children with medical complexity endure high levels of chronic and toxic stress, impacting the overall health and wellbeing of all family members and the system as a whole. The purpose of this study was to examine the lived experiences of parents/caregivers with children with medical complexity. The lived experiences of 15 parents of children with complex medical needs were explored using focus group discussions. Focus group discussions were recorded, transcribed, and analyzed using van Manen's 6-step process for hermeneutic phenomenology. Aligned with the research questions, the analysis draws on van Manen's four lived existential analytical categories. Themes include: (1) lived body, the psychological and physiological effect; (2) lived time and space, the immediate impact on the there, now, and then; (3) lived relationships, social life and family relational effect; (4) risk factors; and (5) protective factors. Caregivers of children with medical complexity have a unique experience of trauma and resilience. This study will inform interdisciplinary medical providers about the mental health and resiliency experiences of this population to support more effective healthcare practices.

Effect of stress mitigation measures on the aggressive behaviour and body weight loss of Large White Yorkshire crossbred pigs during transportation

This study examined the impact of stress mitigation measures on the live body weight loss and skin lesion scores of Large White Yorkshire pigs after a 200 km transportation by road. Twenty-four LWY pigs were randomly allotted into four groups of six each: control group (T1 ), pigs injected with vitamin E and selenium (T2 ), pigs administered hydrogen rich water (T3 ), and pigs exposed to monochromatic blue light (T4 ). Hydrogen-rich water administration (T3 ) resulted in the highest live body weight loss, while exposure to monochromatic blue light (T4 ) induced the lowest. Shrinkage during transport mirrored the live body weight loss trend. Significant differences emerged in skin lesion scores, notably in the hindquarter and tail regions. Monochromatic blue light exposure (T4 ) correlated with reduced aggressive behaviour, evidenced by lower hindquarter skin lesion scores. Conversely, hydrogen-rich water administration (T3 ) resulted in higher tail region skin lesion scores. The findings suggest that exposure to monochromatic blue light may have a calming effect during transport and can be recommended as a stress mitigation strategy to enhance overall animal welfare during transportation Keywords: Transportation stress, body weight loss, shrinkage, aggressive behaviour

Treatment preferences of patients with muscle invasive bladder cancer: A discrete choice experiment

AbstractBackgroundWhen faced with treatment options, patients are asked to participate in decision‐making. We sought to determine which treatment aspects matter most for individuals treated for muscle invasive bladder cancer (MIBC), with an aim to improve understanding of patient preferences and what trade‐offs patients are willing to accept. Our study consisted of a discrete choice experiment (DCE): a type of questionnaire used to elicit preferences in the absence of real‐world choice.MethodsThe DCE had five attributives, each with three levels. Participants were asked to complete a questionnaire in which they were asked to choose between two hypothetical MIBC treatments. The data were analysed using a conditional logit model, and preferences for, and trade‐offs between, attributes were estimated.ResultsWe recruited patients with MIBC who had either already completed, were undergoing or had yet to commence radical treatment for MIBC (n = 60). Participants indicated a strong preference for treatments that increased their life expectancy (p = <0.001), had a lower risk of long‐term complications (p = <0.001) and less changes to their body image (p = <0.001). Changes to sexual wellbeing (p = 0.09) or an increase in acute side effects (p = 0.99) did not influence preferences. Patients were willing to accept treatments with higher risk of long‐term complications to improve their life expectancy or body image.ConclusionWhen deciding on the type of treatment, increased life expectancy is the most important consideration for people with MIBC. The risk of long‐term complications and changes to overall body image as a result of treatment are also important. Our study also highlighted that patients are willing to accept a higher risk of long‐term complications to improve other treatment outcomes. Understanding patient preferences is important for shared decision‐making, which has an impact on quality of care for people living with MIBC.

Effects of Chitosan-Based Additive on Rumen Fermentation and Microbial Community, Nutrients Digestibility and Lactation Performance in Goats.

Recently, the potential of using chitosan (CHI) as a feed additive to enhance ruminal fermentation and improve animal performance has gained increasing attention in ruminant nutrition. This study was undertaken to investigate the effect of dietary supplementation with increasing doses of CHI on rumen fermentation attributes and microbial composition, digestibility and milk performance in Dhofari goats. Twenty-four lactating goats (27 ± 1.8 kg of initial live body weight) were fed a control diet comprising of Rhodes grass hay plus a concentrate feed mixture. Goats were assigned to one of three experimental treatments (n = 8 per treatment) as: (1) control diet with no supplement (CTRL), (2) control diet with 0.300 g/day CHI (CHI0.3) and (3) control diet supplemented with 0.600 g/day CHI (CHI0.6) for a 45-day experimental period. Dietary supplementation with increasing doses of CHI decreased (p < 0.05) linearly ruminal pH (p = 0.023), total short chain fatty acids concentrations (p = 0.011), acetate (p = 0.013) and butyrate (p = 0.042) proportions, acetate to propionate ratio (p < 0.001), estimated methane (CH4) production (p < 0.001), ammonia nitrogen concentrations (p = 0.003) and protozoa abundance (p = 0.003). However, the ruminal propionate proportion augmented (p = 0.002) linearly with increasing doses of CHI in the diet. Increasing doses of CHI linearly increased the abundance of the ruminal propionate-producing bacteria, while diminished acetate and CH4-producing bacteria (p < 0.05). Serum total protein (p = 0.037) and glucose (p = 0.042) levels linearly increased as CHI doses increased in the diet. However, serum UREA levels decreased linearly (p = 0.002) by 21% with increasing CHI amounts in the diet. The digestibility of organic matter, crude protein and neutral detergent fibre increased linearly with the increasing CHI doses (p < 0.05). Neither linear nor quadratic responses (p > 0.05) were observed in daily milk yield and feed efficiency by supplementing the diet with CHI. In conclusion, supplementing the diet with CHI at a dose of 0.600 g/day as a feed additive for dairy goats reduced estimated CH4 generation and improved fibre and protein digestion, with no influence on feed intake, milk yield or composition.

Towards a systematic theology of the body

Between the two fundamental ways of experiencing one's body, as highlighted by philosophical reflection inspired by phenomenology, the needle of the theological compass points towards the pole of the lived body. Phenomenology has opened up, in contrast to dominant conceptions, the experience of corporeity as a new terrain of research.

Fertility and teratogenic study of the aqueous extract of Hibiscus sabdariffa L. in female Sprague Dawley rats

Hibiscus sabdariffa (roselle) has long been gaining attention in phytotherapy research due to its medicinal properties. Despite its benefits, there is very scarce information available on the reproductive toxicity of this plant. The aqueous extract of H. sabdariffa (AEHS) was tested in the present study to investigate its potential effects on fertility and teratogenicity in 40 female Sprague Dawley rats. AESH treatment was administered orally by gavage at four different dosages: 250, 500 and 1000 mg/kg/day or distilled water (control). Treatment began from pre-mating and continued through mating up to the 19th day of pregnancy periods. Throughout this study, the reproductive parameters were evaluated until the day of sacrifice (day 20th of pregnancy). Results obtained revealed no significant differences in general physical health, behaviours and maternal body weights throughout the treatment period. Furthermore, the mean length of the oestrous cycle was not statistically affected, even though a few rats displayed irregular cycles. In addition, there was no statistical significance in the mating and pregnancy indices, number of corpora lutea and implantation sites, percentages of pre-implantation loss and postimplantation death and reproductive organ weights. Foetal parameters such as the number of live foetuses, sex ratio and body weight were also not statistically affected by AESH. Ultimately, there were no signs of teratogenicity observed since none of the foetuses exhibited congenital malformations. In conclusion, these findings imply that the oral administration of AEHS up to 1000 mg/kg/day did not pose any significant toxicity on the fertility and teratogenicity but slightly affected the oestrous cycle in rats.

Influence of probiotic strains on growth performance, carcass characteristics and seasonal changes of growing New Zealand white rabbits.

This experiment was designed to explore how different types of probiotics affect the growth, carcass traits, and seasonal variations in growing New Zealand White rabbits (NZW). Two parallel experiments using the same strain of NZW during winter and summer, each alone from 5 to 13 weeks of age. Each experiment uses a total of 125 unsexed rabbits. These rabbits are separated into 5 groups of 25 rabbits each. Each group has five replicates, with five rabbits in every replicate. In each experiment, 1st group acting as the control group did not receive any probiotics. The 2nd was given a dose of 1ml of Bifidobacterium bifidum, the 3rd received a dose of 1ml of Lactobacillus acidophilus, and the 4th was treated with a 1ml blend of both Bifidobacterium bifidum and Lactobacillus acidophilus, and 5th group was treated with 1ml of Saccharomyces cerevisiae. Results indicated that the Bifidobacterium bifidum group had the best live body weight (LBW) values and daily weight gain (DWG). Meanwhile, during summer, the Lactobacillus acidophilus group had the best feed conversion ratio (FCR) and performance index (PI) values. Also, growing rabbits fed Lactobacillus acidophilus and Bifidobacterium bifiduim had significantly increased carcass traits during the summer and winter seasons. Furthermore, seasonal changes indicated that the Bifidobacterium bifiduim group improved LBW, DWG, and PI during summer than winter. So, it could be concluded that using Bifidobacterium bifidum can enhance rabbit growth by improving feed utilization and carcass traits, making it an effective addition to hot weather diets.

Effects of low energy diets supplemented with emulsifier on growth performance, nutrient digestibility, and intestinal morphology of broiler chickens

This study was conducted to investigate the effects of adding an emulsifier to energy-deficient diets on growth performance, intestinal morphology, and nutrient digestibility in broiler chickens. A total of 540 one-day-old male broiler chickens were randomly assigned to a 3 × 3 factorial arrangement of treatments with 4 pens and 15 broiler chickens/pen for 6 wk. Nine treatments consisted of 3 inclusion rates of emulsifier (0, 250, and 500 mg kg-1) and the standard, moderate, and low energy concentrations [45 and 90, 60 and 105, and 75 and 120 kcal apparent metabolizable energy (AME)/kg less for the moderate- and low-energy concentrations than the standard energy requirements during the starter (d 0 to 10), grower (d 10 to 24), and finisher (d 24 to 42) phases, respectively]. The average daily weight gain (ADWG) and average daily feed intake (ADFI) were recorded in the starter, grower, finisher, and total rearing (d 0 to 42) phases and feed conversion ratio (FCR) was calculated. The AME, digestibility of crude protein (CP), lipid, and organic matter (OM) of experimental diets, were determined from d 5 to 10 and from d 35 to 40. Broiler chickens fed moderate- or low-energy diets containing emulsifier showed greater ADWG and LBW, than those fed the standard diets along with lower FCR, compared to the same diets without emulsifier (P < 0.05). Live body weight increased, while both ADFI and FCR decreased linearly and quadratically with an increase in emulsifier inclusion rate in the diets (P < 0.05). Broiler chickens fed moderate-energy diets with 500 mg emulsifier /kg or low-energy diets containing 250 mg emulsifier /kg had greater villus height compared to those fed other diets (P < 0.05). The addition of emulsifiers to diets led to a linear increase in villus height, epithelium height, and the villus height to crypt depth ratio (P < 0.05). In moderate- and low-energy diets, the inclusion of emulsifiers resulted in greater AME and digestibility of lipid and OM (P < 0.05). The AME and digestibility of lipid and OM increased linearly and quadratically with an increase in emulsifier inclusion rate in the diets (P < 0.05). In conclusion, the addition of emulsifier at a rate at least 250 mg kg-1 to moderate- or low-energy diets during the starter, growth, and finisher phases can enhance broiler chicken performance by improving the histological characteristics of small intestine and enhancing lipid digestibility.

The importance of body image and aesthetic medicine in systemic sclerosis

Systemic sclerosis is a progressive fibrotic autoimmune disease which mainly affects young women causing fibrosis of the skin and internal organs. In systemic sclerosis patients, facial and hand alterations are significant as these may have an impact on body image. In fact, systemic sclerosis could cause disfigurement of the most visible parts of the body, hindering self-confidence and quality of life. Therefore, the assessment of body image in systemic sclerosis is crucial in order to optimize a tailored care of the patient. In the near future, the creation of a pathway involving dedicated specialists (psychologists, physiotherapists, dermatologists, and plastic surgeons) should become an integral part of the disease management.

The effects of body dysmorphic disorder on women’s quality of life and body image at difference stages of pregnancy

BackgroundPregnancy is a time of great change for women, both mentally and physically. For any pregnant woman, this time of change can be difficult as the woman needs to constantly adapt to the rapidly changing body. This change could be especially challenging for a woman who has previously struggled with symptoms of body dysmorphic disorder (BDD), which cause individuals to perceive part(s) of their body as particularly ugly or deformed, creating distress that affects several areas of functioning. These distorted perceptions have been associated with low self-reported functioning in physical and psychological areas. The present study assessed the effects of BDD symptoms on the physical and psychological functioning of pregnant women at different points throughout their pregnancy.MethodsDuring July 2021 through April 2022, one hundred and fifty-eight women were recruited from various mothers’ Facebook groups, women’s centers across a city in Southern Texas, and through Prolific. The sample consisted of women in their first, second and third trimesters, as well as women three months postpartum. Information about the presence of BDD symptoms, quality of life, and body image was collected.ResultsWe found that women in their second trimester possess the highest quality of life compared to women in their first trimester, third trimester or postpartum. Women with high BDD symptoms have lower quality of life and lower body image compared to women with low BDD, especially for those in their first or third trimesters.ConclusionsThese findings illustrate the necessity of targeted interventions and support for pregnant women, especially those with BDD symptoms, in order to promote their well-being throughout pregnancy and postpartum.

Indicators of morphofunctional adaptation of modern youth from three regions of the world: Bantu (Tanzania), Russians and Buryats

Introduction. The problem of human adaptation to modern realities, including living in cities, changing the traditional diet, and significantly reducing physical stress on the body in everyday life is becoming increasingly relevant all over the world. In this vein, experts from various fields of science pay attention to the study of general secular trends and a more detailed analysis of individual components of this phenomenon, including body composition and other somatic characteristics of specific social and/or gender and age groups of the population. Of particular interest are data on urban populations that have recently migrated from rural areas, against the background of significant socio-economic transformations in the countries of the Global South, as well as a comparison of data from different regions of the world to identify common and population-specific indicators of adaptation. Materials and methods. The paper presents data on students from three populations (684 individuals, 343 of them men and 341 women): Tanzanian (natives of the Bantu peoples from Dodoma), Russian (residents of Tula) and Buryat (residents of Ulan-Ude). The age ranges from 17 to 30 years, the average age was 21.28±2.75 y. A number of anthropometric characteristics and body composition were measured. Results. Our data indicate the presence of sexual dimorphism in each of the studied populations according to the complex of morphological characteristics and body composition. It is noteworthy that Russian students (Caucasians) had more pronounced sexual dimorphism compared to Tanzanians (Negroids) and Buryats (Mongoloids). Conclusion. Summing up, data on three populations representing samples of young people who are similar in social status and level of education, but differ in their racial and ethnic origin, as well as the environmental characteristics of the regions of residence, indicate the presence of distinct differences between the sexes in body size and its component composition. These differences were unidirectional in the three samples studied, and may reflect the generalized outcome of natural and sexual selection for Homo sapiens.

"I Am Forever Changed": A Phenomenological Study of the Existential Experiences of Parents of Children and Young People With Complex Care Needs.

To explore the existential lived experiences of parents of children and young people with complex care needs. An explorative qualitative design. We conducted 16 in-depth interviews with parents of children and young people with complex care needs across Norway from February to May 2022. Data collection and analysis were guided by the theoretical framework of van Manen's phenomenology of practice approach. Four distinct but interwoven themes reflecting the comprehensive and holistic nature of parents' existential lived experiences emerged: lived body: "I am forever changed"; lived space: Seeking sanctuary; lived time: "Time doesn't seem to exist"; and lived self-other: Parents' changing relationships. Parents' ongoing efforts to manage fluctuations in their daily lives profoundly affect the existential aspects of their well-being, suggesting that respectful and attentive nurse-parent relationships can nurture existential growth. There is a crucial need for a genuine nursing presence characterised by an attitude of open sensitivity and attentive listening to parents' existential experiences. Nurses should embrace the opportunity to engage in respectful and attentive dialogues with parents. Acknowledging that the insights emerging from these conversations can improve integrated and personalised nursing services worldwide. Parents of children and young people with complex care needs often experience suboptimal healthcare. Additionally, access to quality healthcare services, particularly in rural areas, is limited, creating inefficiencies and coordination challenges. This study provides nurses, other health care professionals, researchers, and decision-makers with valuable perspectives on supporting parents' existential needs which may significantly impact their overall well-being and coping abilities, contributing to a more compassionate approach to family care. Consolidated Criteria for Reporting Qualitative Research (COREQ). Parents of children and young people with complex care needs provided valuable feedback on the findings and implications of this work.