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Chemotherapy suppresses the proliferation and induces brisk cell death not only of the neoplastic cells but also to the rapidly dividing hematopoietic cells in the marrow. This chapter explores the characteristic short- and long-term morphologic changes and bone marrow recovery of children and young adults who underwent chemotherapy for hematologic and non-hematologic neoplasms. It also discusses the changes in the peripheral blood and the marrow of children and young adults receiving growth factor therapy, hematopoietic stem cell transplant, and chimeric antigen receptor T-cell therapy. It provides helpful information on bone marrow reporting after such therapy.
Advance care planning (ACP) is widely implemented in older adults with dementia, yet reports focusing on young-onset dementia remain scarce. Valuable insights may be drawn from studies on younger adults with serious chronic illnesses, as they share similar life stages and challenges. To examine ACP in young and middle-aged adults with serious and chronic illnesses and assess their relevance for young-onset dementia.
Methods
A systematic scoping review. Open Science Framework (https://osf.io/cjwy4). A search was conducted in PubMed, EMBASE, and CINAHL until 19 December 2023. Title/abstract screening was conducted using ASReview. Two authors independently performed the full-text screening and quality assessment. Studies were categorized into 2 groups: (1) process (clinical practice and preferences) and (2) interventions.
Results
Fifty-six studies were included, including 26 interventions. Participants preferred initiating ACP either shortly after diagnosis or later, with physicians or general practitioners. In practice, physicians and nurses discussed ACP shortly after diagnosis or later. Preferred topics include end-of-life care and physical, social, psychological, and spiritual/cultural domains. However, in practice, discussions primarily focused on legal representation, end-of-life care, and the physical domain.
Significance of results
ACP should adopt a holistic approach at an appropriate stage of the disease trajectory and is a multidisciplinary process. A multidisciplinary team effort could facilitate the integration of the different aspects of ACP. The findings of this review are applicable to young-onset dementia. However, due to the progressive cognitive decline, it should be initiated earlier and revisited throughout the disease trajectory, with increasing family involvement.
Most previous studies on the link of autistic traits (ATs) to psychotic experiences (PEs) were performed in clinical populations; hence, the need for further examination of this relationship within the extended autism-and psychosis-phenotypes in the general population. This study aimed to test the following hypotheses: (1) ATs will be positively related to PEs; (2) alexithymia will act as a mediator between ATs and PEs; (3) childhood trauma will moderate the mediation model of alexithymia between ATs and PEs. This cross-sectional research took place in 12 Arab countries among 7,646 young adults. The Autism-Spectrum Quotient-28, Prodromal Questionnaire-Brief, Toronto Alexithymia Scale, and Childhood trauma Self-Report Scale-12 were used. Analysis was done using PROCESS-Macro model-7 in SPSS. Childhood abuse significantly moderated the association between ATs and alexithymia. Higher ATs were significantly associated with higher alexithymia, and this association was stronger at lower than higher levels of childhood abuse. In turn, higher alexithymia was significantly associated with higher PEs. The direct association between ATs and PEs remained significant. The conditional indirect effect of ATs on PEs through alexithymia was significant at low, moderate, and high levels of childhood abuse. Furthermore, the index of moderated mediation was significant, indicating that childhood abuse significantly moderated the indirect association between ATs and PEs through alexithymia. The current results suggest that alexithymia and childhood trauma seem to be key factors that should be considered together as specific targets for treatment to improve the severity of psychotic symptoms and even possibly prevent psychosis in highly autistic young adults.
Recent studies have focused on characterising the brain‘s intrinsic connectivity networks during fear learning, going beyond traditional brain activation analyses, to study the acquisition of fearful associations as a model for clinical anxiety onset.
Aims
Given the sharp increase in prevalence of affective disorders during puberty, a period marked by heightened affective sensitivity and fronto-amygdala circuitry development, the current study compares the connectivity within and between the salience network, executive control network and default mode network throughout fear learning, between young adults with and without mild mixed affective complaints. We hereby aim to identify potential neural targets for promising novel treatment options, such as functional magnetic resonance imaging (fMRI)-guided neurofeedback or transcranial magnetic stimulation.
Method
Generalised psychophysiological interaction analysis was used to assess connectivity changes within and between the salience network, executive control network and default mode network during an fMRI fear-conditioning paradigm (habituation, early, mid and late acquisition phase). Results were compared between healthy controls (n = 44), spider phobics (n = 44) and a group with subclinical mixed psychopathology (n = 52; 21 males), all aged 16–25 years.
Results
Task-induced changes in functional connectivity were specifically found in the default mode network (F(6, 792) = 4.170, p < 0.001). Overall, the default mode network showed less functional connectivity during conditioned threat stimulus than neutral ‘safe’ stimulus trials. Notably, a subset of connections within the default mode network of the subclinical mixed psychopathology group failed to differentiate between the stimuli (F(27, 377.39) = 2.01, false discovery rate-adjusted p-value = 0.014), which is in line with fear-conditioning research showing impaired (behavioural) stimuli differentiation in affective disorders.
Conclusions
Stimulus-specific temporal dynamics of the default mode network during fear learning differentiated young adults with and without mild psychopathology. These results add up to a growing body of research identifying deficient default mode network functionality in affective disorders.
Poor mental health symptoms are prevalent amongst young adults in Aotearoa New Zealand, with almost one in four aged 15-24 experiencing high levels of psychological distress in 2023/24(1). There is growing evidence for the link between diet quality and positive mental health outcomes in both observational and intervention contexts(2). However, understanding the holistic and complex determinants of dietary behaviours for wellbeing in young adults with poor mental health has largely been neglected from nutrition research, limiting the development of practical solutions. The ‘Food and Mood’ project aims to explore the determinants of dietary behaviours that support wellbeing in young adults experiencing symptoms of anxiety, depression, and/or stress in Aotearoa New Zealand. A 48-item mixed-methods survey was designed for this project, utilising the COM-B (capability, opportunity, motivation and behaviour) model and the Theoretical Domains Framework (TDF) to inform the survey structure. Young adults aged 18-30y experiencing at least mild symptoms of anxiety, depression, and/or stress according to the DASS-21 were recruited across Aotearoa New Zealand to take part in the cross sectional, anonymous study. Participants were recruited through university channels, community mental health organisations, social media advertising, and flyers. Open-ended questions were analysed through inductive thematic analysis, and Likert scale questions were descriptively analysed. Participants (n=131) were predominantly female (84%) and had a mean age of 23.2 + 4.1 years. Majority of the participants identified as NZ European (76%), with smaller proportions identifying as Māori (14.2%), Chinese (6.3%), Indian (4.7%), and Samoan (2%). Participants demonstrated a high level of psychological capability, where 92% of participants considered it “very” important to eat a diet that supports wellbeing, and 70% agreed that limiting highly processed foods is important for wellbeing. These findings are supported by the key theme of ‘nourishment’ identified in the thematic analysis, where participants highlighted that consuming nourishing foods can support physical wellbeing, which in turn positively influences mental and social health. Although 71% of participants indicated willingness to change their diet if they knew it would improve their mental wellbeing, almost half (48%) reported that they do not have adequate physical capability (e.g., skills and resources) to make these dietary changes. The majority of participants (90%) expressed that their mood influenced the way they eat, where 48% strongly agreed that it is more challenging to eat for wellbeing when mental health is worse. These results are supported by the qualitative theme of ‘emotional barriers’, with participants illustrating that negative emotions such as stress and depression inhibit their ability to engage in behaviours that enhance wellbeing. In conclusion, greater psychological capability appears to support young adults in eating for wellbeing. Poor mental health inhibits automatic motivation, suggesting that nutrition interventions should prioritise addressing emotional barriers to behaviour change.
This chapter provides an overview of research on ethnic and racial discrimination (ERD) among young adults in higher education. We examine how the university context shapes experiences of ERD and how it moderates targets, downstream consequences, and coping responses. We do so from the vantage point of a structural-psychological perspective, which examines ERD not solely as a result of interpersonal actions but rather as a product of broader systemic inequities and historical legacies of oppression. The chapter describes which ethnic and racial groups and their intersections with other relevant social categories are most affected by ERD. It also describes the contexts and moderators of ERD and the downstream consequences of experiencing ERD. Finally, the chapter describes active and passive coping and resistance strategies that racialized students employ to deal with ERD and how effective they are for students’ academic and health adjustment.
Diagnostic criteria for attention deficit hyperactivity disorder (ADHD) and autism have broadened and are common at estimated adult prevalences of 3%. This paper explores the incidence of autism and overlap of features in ADHD young adults transitioning from Child and Adolescents Mental Health Services (CAMHS) into a specialist adult ADHD service, and the utility of the Ritvo Autism Asperger Diagnostic Scale 14 (RAADS-14) assisting assessment and support planning.
Methods:
This comparative cohort study included all young adult ADHD patients referred from CAMHS. A comprehensive assessment and diagnostic formulation, including RAADS-14 was completed. Those without a current autism diagnosis but clinical assessment suggested autism, underwent further assessment. Percentage of autistic and ADHD young adults was calculated. RAADS-14 total and subscale scores were compared between groups. Gender differences were assessed.
Results:
Co-occurrence of autism in a group of young adults diagnosed with ADHD was high (53%). High levels of autism features were evident in the ADHD only group. Significant differences in the RAADS-14 sub-scores (social anxiety, mentalizing and sensory sensitivities) were found between the autistic ADHD and non autistic ADHD groups. Autistic females scored higher on all domains of the RAADS-14 compared to males. Sensory sensitivities were significantly higher in females in both groups.
Conclusions:
The level of co-occurrence of autism, and overlap of features, suggests employment of neurodevelopmental rather than single condition approaches to avoid mis-diagnosis/missed diagnoses. Sensory sensitivities are suggestive of neurodevelopmental differences particularly in females regardless of diagnostic category. The RAADS-14 may be helpful as part of screening and support planning.
The prevalence and burden of depression are increasing among young people. Despite this, relatively few treatments specifically target this critical developmental period, and under-addressed mental health difficulties in youth often have lifelong consequences. Social isolation is commonly reported by young adults and is both a risk and maintenance factor for depression. There is a need for accessible, engaging interventions that can reduce depressive symptoms and improve social connectedness.
Methods
Building on evidence of the therapeutic potential of social dance-based activities for depression, this randomized controlled trial evaluated the efficacy of an 8-week salsa dance intervention for young adults (aged 18–24 years) with mild to moderately severe depressive symptoms. 121 participants were randomly assigned to either a salsa intervention or a waitlist control. Participants completed the Patient Health Questionnaire (PHQ-9), a validated measure of depressive symptoms, and additional mental health measures at baseline, during, and after the intervention.
Results
Participants in the salsa dance condition showed a significantly greater reduction in depressive symptoms than the waitlist control, with a −2.45 PHQ-9 point between-group difference, exceeding the criterion for clinical significance. Both groups reported improvements in social anxiety, generalized anxiety, loneliness, and daily happiness, but salsa participants had significantly greater reductions in social anxiety and greater improvements in daily happiness.
Conclusions
These findings support the value of social dance as a novel, accessible intervention for reducing depressive symptoms. Implementing such programs within a suite of wellbeing-oriented interventions for young people could provide cost-effective mental health benefits.
Cognitive Behavioural Therapy-Ten (CBT-T) offers a briefer manualised approach to treatment of non-underweight eating disorders (EDs) compared with traditional therapy models, and has the potential to help services deliver timely access to care. This study evaluated CBT-T outcomes in a naturalistic setting, with a focus on session-by-session change patterns.
Method:
A total of 151 young adults received CBT-T in a no-threshold-to-access community ED service. Symptom trajectories were assessed using the ED-15 global scale and subscales (eating concern, weight/shape concern). Using intent-to-treat principle, linear mixed-effect models evaluated treatment effectiveness, and chi-squared and receiver operating characteristic (ROC) analyses explored associations between early symptom change and end-of-treatment remission.
Results:
Treatment led to significant reductions in ED symptoms and psychosocial impairment, with large effect sizes. Reliable improvement in Weight/Shape Concern – but not Eating Concern – on ED-15 at session 4 significantly predicted ED symptom scores below the clinical cut-off at the last session.
Conclusions:
CBT-T is effective in reducing ED symptoms in young adults with non-underweight EDs. While engagement and progress prior to session 4 have been used to guide treatment planning, as stated in the treatment manual, only the change in weight/shape concern at session 4 appeared to be strongly predictive of outcome in this sample, whereas change in eating concern did not. Early changes in weight and shape concerns at initial sessions may be informative in predicting treatment outcome. The findings can support the future development of CBT-T and other brief ED interventions.
Researchers have investigated later language development for more than 80 years. As a result, a great deal of information has been learned about the nature and substance of language development beyond the preschool years. This article highlights topics that were studied each decade, beginning with the 1940s and continuing to the present. Understanding the history of research in this area is essential for current investigators who seek to contribute new information to the discipline and for clinicians and teachers who seek to apply the information that has already been learned in their daily work with school-age children, adolescents, or young adults.
To address the increasing need for volunteers in countries experiencing conflict and natural disasters, this study examined young adults’ willingness to volunteer abroad in a “higher risk” country. Young Australian adults (N = 163) completed an online survey of Prototype Willingness Model constructs, risk perceptions, and trust in the organization. Attitude, subjective norm (approval from others), perceived similarity to a typical volunteer, risk susceptibility, risk severity, and trust in the charitable organization significantly predicted volunteer willingness, with trust in the organization influencing a number of the antecedents to volunteer willingness. Risk susceptibility had an unexpected positive relationship with volunteer willingness, highlighting the importance of acceptance of associated risks for openness to volunteering in higher risk settings. This study contributes to our understanding of volunteering abroad in higher risk countries, informing efforts to increase the prevalence of international volunteering, essential to address the imbalance of resources globally.
Suicide is a leading cause of death among emerging adults (EAs) worldwide, yet suicide literacy (SL) in this population remains understudied, particularly in Puerto Rico (PR). This study assessed SL among EAs enrolled at a medical school in PR and explored its association with knowing someone who had experienced suicidal ideation (SI) or attempted suicide (SA). A cross-sectional study was conducted with 102 participants aged 21–28 years. Participants completed a sociodemographic questionnaire and the Literacy of Suicide Scale (LOSS). The mean LOSS score was 19.25 out of 27 (71.3%), with a domain-specific pattern characterized by relatively higher performance in the treatment/prevention and lower performance in the recognition of signs and symptoms. Regression analysis revealed that knowing someone with lived experience of SI/SA was associated with higher SL scores, while gender was not significantly associated. These findings suggest that, although medical students may have general knowledge about suicide prevention, they may struggle to identify early warning signs. This study contributes to the emergent literature on SL among EAs globally and highlights the need for further research on SL domain-specific strengths and weaknesses.
Young adults (19–24 years) commonly experience elevated rates of sleep disturbance, anxiety, and cognitive stress yet often underutilise formal mental-health services. Music therapy, binaural beats, and related auditory entrainment techniques offer accessible, non-pharmacological approaches that may enhance emotional regulation, cognition, and physiological stability.
Objective:
To systematically review interventional clinical trials published over the past decade evaluating music- and rhythm-based auditory interventions for mental-health and cognitive outcomes in young adults.
Methods:
A systematic search of PubMed/MEDLINE and PsycINFO (01 January 2015 – 01 January 2025) was conducted using the terms (music therapy OR binaural beats OR auditory entrainment) AND (mental health OR neurorehabilitation OR cognition OR anxiety OR depression). After screening 122 abstracts, 10 trials met inclusion criteria. Effect sizes (Cohen’s d) and 95% confidence intervals were extracted or estimated. Risk of bias was assessed using the Cochrane RoB-2 tool. The review protocol was registered in PROSPERO (CRD420251178490).
Results:
Interventions included bedtime music therapy, audiovisual stimulation, and binaural-beat exposure across laboratory, clinical, and rehabilitation settings. Most studies demonstrated significant or moderate improvements in at least one domain: anxiety reduction, stress physiology, mood regulation, sleep quality, or cognitive performance (standardised mean differences 0.3–0.6).
Conclusions:
Evidence suggests that music-based and binaural-beat interventions can beneficially modulate sleep, anxiety, and cognitive processes in young adults. However, heterogeneity in design and small sample sizes limit the certainty of findings. Future adequately powered randomised controlled trials should address transdiagnostic mechanisms and long-term efficacy.
Pulmonary arterial hypertension leads to dyspnoea, fatigue, and oxygen desaturation, limiting activities of daily living and functional capacity. This study aimed to evaluate the impact of pulmonary arterial hypertension on activities of daily living performance, functional capacity, peripheral muscle strength, oxygen dynamics, and energy expenditure. Eighteen adolescents and young adults with pulmonary arterial hypertension (10 females, 8 males; age 9–30 years) and 15 healthy controls (10 males, 5 females; age 9–30 years) were included. Peripheral muscle strength was assessed using a handheld dynamometer, functional capacity via the 6-minute walk test, and muscle oxygenation through near-infrared spectroscopy. Lower-limb endurance was evaluated with the 1-minute sit-to-stand test and activities of daily living performance with the Glittre Activities of Daily Living test. Compared to controls, the pulmonary arterial hypertension group had significantly lower 6-minute walk test distance (441.9 m versus 636.9 m; p < 0.001), reduced sit-to-stand repetitions (28 versus 42.1; p < 0.001), weaker peripheral strength, and lower minimum muscle oxygen saturation (24.9% versus 51.8%; p < 0.001). Glittre Activities of Daily Living test duration was longer (143 s versus 105 s; p < 0.001), with greater oxygen desaturation (−13% versus −1%; p < 0.001), higher dyspnoea scores using modified Borg scale (5 versus 1; p < 0.001), and blunted heart rate response (ΔHR [change in heart rate]: 32 versus 64; p = 0.011). These findings demonstrate that pulmonary arterial hypertension significantly impairs both cardiopulmonary and peripheral muscle function. Protecting muscle health and improving functional capacity should be prioritised to enhance quality of life in this population.
Mental health literacy (MHL) is the ability to recognise mental disorders; have knowledge of professional help available, effective self-help and prevention strategies; and have the skills to support others. MHL is linked to better help-seeking behaviours and better management of mental illness. Mental illness prevalence is increasing in Malawi. Assessing MHL in communities crucially helps identify knowledge gaps, informing the development of evidence-based interventions.
Aims
This study assessed the MHL levels of young adults (16–30 years old) in rural and urban communities in Malawi.
Method
A cross-sectional national survey was administered to 682 people across 13 districts in Malawi, using a self-reporting Mental Health Literacy questionnaire (MHLq) that assessed knowledge of mental health problems, erroneous beliefs/stereotypes, first aid skills, help-seeking behaviour and self-help strategies.
Results
Most respondents were either unemployed (36%) or enrolled in school (43%). A total of 73% completed primary or secondary education, and 48% knew someone with a mental illness, but only 14% of this group could specify the illness. The mean MHL score was 111.8 (s.d. 13.9). Individuals with primary and secondary school qualifications had significantly lower scores in factor 2 (erroneous beliefs/stereotypes) and factor 3 (first aid skills and assistance-seeking behaviour) of the MHLq than those with higher education.
Conclusions
This research highlights persisting mental health misconceptions, limited knowledge about specific mental illnesses and low help-seeking behaviour among young adult Malawians. Higher education is linked to a better understanding of mental health. Prioritising community education on causes, signs, treatments and prognosis of mental illness is crucial for increased MHL.
Although often associated with ageing, disability is becoming increasingly prevalent among young adults. While disability can pose a substantial psychological burden for young adults on critical pathways to establish the foundations for their future, the mental health risks faced by this population remain underexplored.
Aims
This study aimed to (1) assess the association between disability – including its presence, severity and type – and the risk of depressive and anxiety disorders, and (2) examine whether this association varies across sociodemographic factors, health behaviours and comorbidities in a young adult population.
Methods
We conducted a population-based cohort study using linked data from the National Disability Registry and the National Health Insurance Database of South Korea. A total of 6,058,290 individuals aged 20–39 years who underwent health check-ups between 2009 and 2012 were followed through 2022. Cox proportional hazards models were used to estimate adjusted hazard ratios (aHRs) for depressive and anxiety disorders.
Results
Individuals with disabilities had significantly higher risks of depressive (aHR: 1.58, 95% CI: 1.55–1.60) and anxiety disorders (aHR: 1.50, 95% CI: 1.42–1.59). Increased risks were consistently observed across various disability types with the highest risk observed for mental health-related disabilities in depression (aHR: 4.98, 95% CI 4.62–5.37) and epilepsy-related disabilities in anxiety disorders (aHR: 12.05, 95% CI 8.73–16.63). Subgroup analyses revealed stronger associations among individuals in their 20s, low-income groups, non-smokers and those abstaining from alcohol, compared to their respective counterparts.
Conclusions
Young adults with disabilities, a population that has been relatively overlooked in policy discussions, warrant greater policy attention in relation to their mental health.
Volunteering motivation has been studied from many perspectives during the last few decades. These studies have increased our understanding on the individual, dynamic, and reflexive nature of volunteering. Moreover, research that combines volunteering with the concept of identity or role identity has deepened this understanding. Nevertheless, the ways individual volunteers experience and associate volunteering with their personal identities has been little studied. Values can provide an empirical window into the core of personal identity. Identity, values, and volunteering are combined in the approach used in this study, which introduces the theoretical viewpoints of narrative identity and value identity. The analyses of 24 life course interviews demonstrated volunteering can be used in identity work for expressing the core values of individuals. The results also indicate the variety and range of values, which can be associated with volunteering.
Volunteering involves caring for the outcomes of others and typically long-term orientation so that one can achieve goals that are not always clearly visible in the short term. As with any activity, volunteering attracts people of different social value orientations—some rather individualistic, some rather altruistic. The aim of the study was to find out whether the future time perspective, which promotes thinking about future goals and planning, is linked to volunteers' declarations of the probability of them continuing volunteering in a month, year, and three years and whether this link is moderated by social value orientation. An online questionnaire-based study was performed on a sample of 245 volunteers. The results indicated that the higher the social value orientation, the greater the predicted probability of continuing volunteering. Future time perspective was related to the predicted probability of continuing volunteering in all investigated time horizons only when volunteers had a more individualistic than altruistic social value orientation. Younger age and longer experience with volunteering were also linked to the predicted probability of continuing volunteering in a year and three years (but not in one month). The results show the importance of social value orientation and future time perspective for more individualistic volunteers in their willingness to volunteer further. The study has practical implications for organizations' management, who should consider developing cooperation skills in their volunteers. For competitive volunteers, they may also highlight how challenges could make an impact in the future so that they intend to remain active.
The concept of citizenship is used both as a synonym of social action when referencing to an active form of citizenship as well as to indicate a form of civic obligation (formal citizenship). According to these premises, citizenship can be formalized in a large number of activities that contribute to building it in different ways. The aim of the present work is to explore how the concepts of citizenship and being a citizen are co-built by Italian young adults. Two groups of young adults are considered (engaged vs. not engaged). Eighty-nine young adults participants aged 18–36 completed a self-administered mixed-method questionnaire. A content and thematic analysis was conducted and a composite representation of citizenship emerged. Results of the present work can clarify the concept of citizenship by exploring how it is cognitively and socially represented in young adults and how this representation changes in engaged and not engaged young adults.
Modernization theory posits a change from traditional or “collective” forms to modern or “reflective” forms of volunteering. In a research project using a combined qualitative-quantitative approach, the motivation of 118 young Swiss adults who showed an interest in international volunteering was investigated. Qualitative analysis revealed 12 different motives which could be categorized into three different groups: A first group called “Achieving something positive for others,” a second group named “Quest for the new,” and a third group of motives labeled “Quest for oneself.” Motivations of young Swiss adults for international volunteering clearly show the characteristics of “reflexive” volunteers. Most respondents displayed a combination of motives while for only 11% of them altruism (“Achieving something positive for others”) was the one and only driving force behind their interest in international volunteering. The inductively constructed typology of motives can be a useful planning device for organizations that run or intend to set up an international volunteering program for young adults.