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1.
Psychopharmacology (Berl) ; 241(7): 1447-1461, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38532040

RESUMO

RATIONALE: For decades, cannabis has been the most widely used illicit substance in the world, particularly among youth. Research suggests that mental health problems associated with cannabis use may result from its effect on reward brain circuit, emotional processes, and cognition. However, findings are mostly derived from correlational studies and inconsistent, particularly in adolescents. OBJECTIVES AND METHODS: Using data from the IMAGEN study, participants (non-users, persistent users, abstinent users) were classified according to their cannabis use at 19 and 22 years-old. All participants were cannabis-naïve at baseline (14 years-old). Psychopathological symptoms, cognitive performance, and brain activity while performing a Monetary Incentive Delay task were used as predictors of substance use and to analyze group differences over time. RESULTS: Higher scores on conduct problems and lower on peer problems at 14 years-old (n = 318) predicted a greater likelihood of transitioning to cannabis use within 5 years. At 19 years of age, individuals who consistently engaged in low-frequency (i.e., light) cannabis use (n = 57) exhibited greater conduct problems and hyperactivity/inattention symptoms compared to non-users (n = 52) but did not differ in emotional symptoms, cognitive functioning, or brain activity during the MID task. At 22 years, those who used cannabis at both 19 and 22 years-old n = 17), but not individuals that had been abstinent for ≥ 1 month (n = 19), reported higher conduct problems than non-users (n = 17). CONCLUSIONS: Impairments in reward-related brain activity and cognitive functioning do not appear to precede or succeed cannabis use (i.e., weekly, or monthly use). Cannabis-naïve adolescents with conduct problems and more socially engaged with their peers may be at a greater risk for lighter yet persistent cannabis use in the future.


Assuntos
Encéfalo , Cognição , Recompensa , Humanos , Masculino , Estudos Longitudinais , Adolescente , Adulto Jovem , Cognição/efeitos dos fármacos , Cognição/fisiologia , Feminino , Encéfalo/efeitos dos fármacos , Saúde Mental , Uso da Maconha/psicologia , Uso da Maconha/epidemiologia , Abuso de Maconha/psicologia , Imageamento por Ressonância Magnética
2.
BMC Public Health ; 24(1): 30, 2024 01 02.
Artigo em Inglês | MEDLINE | ID: mdl-38166874

RESUMO

BACKGROUND: Health and adequate access to health care are human rights. Refugees are at risk for substance abuse. Despite the known structural and personal risk factors for abuse, refugees in Germany continue to face barriers to adequate addiction prevention and care, which is a violation of the fundamental human right to health care. The question arises as to how barriers for refugees in reaching addiction services and care can be overcome. In the presented study, strategies for good practices to deconstruct these barriers were identified. METHOD: A total of 21 experts participated in a three-round, consensus-oriented Delphi-Process. The experts represented five different fields: addiction care services, including specialized programs for women, refugee aid services, academia, policy-making and immigrants' self-help services. RESULTS: The Delphi-Process generated 39 strategies of good practice summarized in 9 major categories: Care System, Framework Conditions, Multilingualism, Information and Education, Access, Service-Level, Employee-Level, Employee-Attitudes and Networking. CONCLUSION: In order to guarantee human rights regarding health and adequate access to health care for refugees, institutional barriers limiting access to prevention and treatment programs for addictive disorders must be abolished. The identified good practice strategies for Germany, if widely implemented, could contribute to this aim. By opening up prevention and treatment facilities for refugees, other marginalized groups could also benefit. While some of the strategies need to be implemented at the institutional level, political steps are also required at the system level including, e.g. financing of adequate translation services.


Assuntos
Acessibilidade aos Serviços de Saúde , Refugiados , Humanos , Feminino , Técnica Delphi , Alemanha , Direitos Humanos
3.
Children (Basel) ; 10(10)2023 Oct 16.
Artigo em Inglês | MEDLINE | ID: mdl-37892357

RESUMO

Many adolescent health surveys ask if respondents are male or female. Non-response may be due to fear of de-anonymisation or being a gender-nonconforming youth. The present study investigates the frequency of non-response and its potential reasons. To this end, data from 54,833 adolescents aged 11-18 from six countries, participating in the 2018 Health Behaviour in School-aged Children (HBSC) study, were analysed. Respondents were divided into three groups: (1) "Responders" who answered both questions on age and gender, (2) "Age non-responders" who did not answer the question on age, and (3) "Gender non-responders" who answered the question on age but not the one on gender. These groups were compared regarding their non-response to other questions and regarding their health. Overall, 98.0% were responders, 1.6% were age non-responders and 0.4% were gender non-responders. On average, age non-responders skipped more questions (4.2 out or 64) than gender non-responders (3.2) and responders (2.1). Gender non-responders reported more psychosomatic complaints, more frequent substance use and lower family support than responders. This study shows that age and gender non-responders differ in their response styles, suggesting different reasons for skipping the gender question. The health disparities found between the groups suggest that further research should use a more nuanced approach, informed by LGBT+ youth's insights, to measure sex assigned at birth and gender identity.

4.
BJPsych Open ; 9(4): e113, 2023 Jun 22.
Artigo em Inglês | MEDLINE | ID: mdl-37345544

RESUMO

BACKGROUND: Refugees and asylum seekers (RAS) in Germany need tailored and resource-oriented mental healthcare interventions. AIMS: To evaluate the cost-effectiveness of group psychotherapy for RAS with moderate depressive symptoms. METHOD: This is a post hoc cost-effectiveness analysis of Empowerment group psychotherapy that was embedded in a stratified stepped and collaborative care model (SCCM) from the multicentre randomised controlled MEHIRA trial. One hundred and forty-nine participants were randomly assigned to SCCM or treatment as usual (TAU) and underwent Empowerment (i.e. level 3 of the SCCM for adults) or TAU. Effects were measured with the nine-item Patient Health Questionnaire (PHQ-9) and quality adjusted life-years (QALY) post-intervention. Health service and intervention costs were measured. Incremental cost-effectiveness ratios (ICER) were estimated and net monetary benefit (NMB) regressions with 95% confidence intervals were performed. Cost-effectiveness was ascertained for different values of willingness to pay (WTP) using cost-effectiveness acceptability curves for probable scenarios. Trial registration number: NCT03109028 on ClinicalTrials.gov. RESULTS: Health service use costs were significantly lower for Empowerment than TAU after 1 year. Intervention costs were on average €409.6. Empowerment led to a significant change in PHQ-9 scores but not QALY. Bootstrapped mean ICER indicated cost-effectiveness according to PHQ-9 and varied considerably for QALY in the base case. NMB for a unit reduction in PHQ-9 score at WTP of €0 was €354.3 (€978.5 to -€269.9). Results were confirmed for different scenarios and varying WTP thresholds. CONCLUSIONS: The Empowerment intervention was cost-effective in refugees with moderate depressive symptoms regarding the clinical outcome and led to a reduction in direct healthcare consumption. Concerning QALYs, there was a lack of confidence that Empowerment differed from TAU.

5.
Confl Health ; 17(1): 1, 2023 Jan 19.
Artigo em Inglês | MEDLINE | ID: mdl-36658646

RESUMO

BACKGROUND: Previous research concluded that substance (mis)use is increasing among forcibly displaced populations. Nevertheless, little research has been conducted within a social ecological framework aimed at identifying and understanding the factors affecting substance (mis)use embedded in the post-migration context in high-income countries. The present study aims to develop an understanding of the links and underlying mechanisms between refugees' social ecological determinants and substance (mis)using behavior. METHODS: Rapid assessments (RAs), including 108 semi-structured interviews and 10 focus group discussions with key persons from various professional, and personal backgrounds, were carried out in German urban and rural areas. The RA approach of interviewing key persons and not solely refugees that (mis)use substances allowed us to gather multi-perspective knowledge on this sensitive topic. Qualitative content analysis was applied, aiming at identifying determinants of substance (mis)use embedded in the post-migration context of refugees and understanding the underlying mechanisms. RESULTS: One main result of the data suggests that the link between refugees' countries of origin and their post-migration substance (mis)use is not as direct as often assumed. It is observed that refugees' prospects and opportunities in receiving countries (e.g., work permits) undermine this commonly reproduced link. Further determinants are related to living conditions in German refugee shelters and social relations with peers and families. The influence of refugees' living conditions can be summarized as potentially increasing substance availability and distress, whereas family separation produces a loss of control and responsibility, increasing the risk for substance (mis)use. Peers' influence on substance (mis)use was reported to reflect a search for a sense of belonging. CONCLUSIONS: Given that refugees who (mis)use substances have limited to no control over the factors identified in our study to be associated with substance (mis)use, common treatment and prevention approaches are challenged. Furthermore, we recommend aiming for a holistic comprehension of refugees' substance (mis)use by expanding the focus beyond individuals to the social ecological context in any attempt, including prevention, treatment, research, and policy.

6.
Eur Arch Psychiatry Clin Neurosci ; 273(3): 527-539, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-35778521

RESUMO

This study aimed to build on the relationship of well-established self-report and behavioral assessments to the latent constructs positive (PVS) and negative valence systems (NVS), cognitive systems (CS), and social processes (SP) of the Research Domain Criteria (RDoC) framework in a large transnosological population which cuts across DSM/ICD-10 disorder criteria categories. One thousand four hundred and thirty one participants (42.1% suffering from anxiety/fear-related, 18.2% from depressive, 7.9% from schizophrenia spectrum, 7.5% from bipolar, 3.4% from autism spectrum, 2.2% from other disorders, 18.4% healthy controls, and 0.2% with no diagnosis specified) recruited in studies within the German research network for mental disorders for the Phenotypic, Diagnostic and Clinical Domain Assessment Network Germany (PD-CAN) were examined with a Mini-RDoC-Assessment including behavioral and self-report measures. The respective data was analyzed with confirmatory factor analysis (CFA) to delineate the underlying latent RDoC-structure. A revised four-factor model reflecting the core domains positive and negative valence systems as well as cognitive systems and social processes showed a good fit across this sample and showed significantly better fit compared to a one factor solution. The connections between the domains PVS, NVS and SP could be substantiated, indicating a universal latent structure spanning across known nosological entities. This study is the first to give an impression on the latent structure and intercorrelations between four core Research Domain Criteria in a transnosological sample. We emphasize the possibility of using already existing and well validated self-report and behavioral measurements to capture aspects of the latent structure informed by the RDoC matrix.


Assuntos
Transtornos Mentais , Esquizofrenia , Humanos , Transtornos Mentais/diagnóstico , Esquizofrenia/diagnóstico , Análise Fatorial , Alemanha
7.
Eur Arch Psychiatry Clin Neurosci ; 273(5): 1201-1206, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-36335286

RESUMO

This study examines whether climate change-associated environmental stressors, including air and noise pollution, local heat levels, as well as a lack of surrounding greenspace, mediate the effects of local poverty on mental health, using the 28-item General Health Questionnaire. We recruited 478 adults who were representative of eleven of Berlin's inner-city neighborhoods. The relationship of individual-level variables, neighborhood-level sociodemographic and environmental data from the Berlin Senate (Department for Urban Development, Building and Housing) to mental health was assessed in a multilevel model using SPSS. We found that neither local exposure to environmental stressors, nor available greenspace as a protective factor, mediated the effects of local poverty on variance in mental health (all p values > 0.2). However, surrounding greenspace (r = -0.24, p < 0.001), nitrogen dioxide levels (r = 0.10, p < 0.05), noise pollution (rho = 0.15, p < 0.01), and particle pollution (r = 0.12, p < 0.001) were associated with local poverty, which, more strongly than individual factors, accounted for variance in mental health (ß = 0.47, p < 0.001). Our analysis indicates that the effects of local poverty on mental health are not mediated by environmental factors. Instead, local poverty was associated with both an increased mental health burden and the exposure to climate-related environmental stressors.


Assuntos
Saúde Mental , Pobreza , Adulto , Humanos , Berlim/epidemiologia , Pobreza/psicologia , Meio Social , Fatores de Risco
8.
Lancet Reg Health Eur ; 19: 100413, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35694653

RESUMO

Background: Current evidence points towards a high prevalence of psychological distress in refugee populations, contrasting with a scarcity of resources and amplified by linguistic, institutional, financial, and cultural barriers. The objective of the study is to investigate the overall effectiveness and cost-effectiveness of a Stepped Care and Collaborative Model (SCCM) at reducing depressive symptoms in refugees, compared with the overall routine care practices within Germany's mental healthcare system (treatment-as-usual, TAU). Methods: A multicentre, clinician-blinded, randomised, controlled trial was conducted across seven university sites in Germany. Asylum seekers and refugees with relevant depressive symptoms with a Patient Health Questionnaires score of ≥ 5 and a Refugee Health Screener score of ≥ 12. Participants were randomly allocated to one of two treatment arms (SCCM or TAU) for an intervention period of three months between April 2018 and March 2020. In the SCCM, participants were allocated to interventions tailored to their symptom severity, including watchful waiting, peer-to-peer- or smartphone intervention, psychological group therapies or mental health expert treatment. The primary endpoint was defined as the change in depressive symptoms (Patient Health Questionnaire-9, PHQ-9) after 12 weeks. The secondary outcome was the change in Montgomery Åsberg Depression Rating Scale (MADRS) from baseline to post-intervention. Findings: The intention-to-treat sample included 584 participants who were randomized to the SCCM (n= 294) or TAU (n=290). Using a mixed-effects general linear model with time, and the interaction of time by randomisation group as fixed effects and study site as random effect, we found significant effects for time (p < .001) and time by group interaction (p < .05) for intention-to-treat and per-protocol analysis. Estimated marginal means of the PHQ-9 scores after 12 weeks were significantly lower in SCCM than in TAU (for intention-to-treat: PHQ-9 mean difference at T1 1.30, 95% CI 1.12 to 1.48, p < .001; Cohen's d=.23; baseline-adjusted PHQ-9 mean difference at T1 0.57, 95% CI 0.40 to 0.74, p < .001). Cost-effectiveness and net monetary benefit analyses provided evidence of cost-effectiveness for the primary outcome and quality-adjusted life years. Robustness of results were confirmed by sensitivity analyses. Interpretation: The SSCM resulted in a more effective and cost-effective reduction of depressive symptoms compared with TAU. Findings suggest a suitable model to provide mental health services in circumstances where resources are limited, particularly in the context of forced migration and pandemics. Funding: This project is funded by the Innovationsfond and German Ministry of Health [grant number 01VSF16061]. The present trial is registered under Clinical-Trials.gov under the registration number: NCT03109028. https://clinicaltrials.gov/ct2/show/NCT03109028.

9.
Psychol Med ; 52(5): 936-945, 2022 04.
Artigo em Inglês | MEDLINE | ID: mdl-32772968

RESUMO

BACKGROUND: In 1990, Latin American countries committed to psychiatric reforms including psychiatric bed removals. Aim of the study was to quantify changes in psychiatric bed numbers and prison population rates after the initiation of psychiatric reforms in Latin America. METHODS: We searched primary sources to collect numbers of psychiatric beds and prison population rates across Latin America between the years 1991 and 2017. Changes of psychiatric bed numbers were compared against trends of incarceration rates and tested for associations using fixed-effects regression of panel data. Economic variables were used as covariates. Reliable data were obtained from 17 Latin American countries: Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Ecuador, Honduras, Guatemala, Mexico, Nicaragua, Panama, Paraguay, Peru, El Salvador, Uruguay and Venezuela. RESULTS: The number of psychiatric beds decreased in 15 out of 17 Latin American countries (median -35%) since 1991. Our findings indicate the total removal of 69 415 psychiatric beds. The prison population increased in all countries (median +181%). Panel data regression analyses showed a significant inverse relationship -2.70 (95% CI -4.28 to -1.11; p = 0.002) indicating that prison populations increased more when and where more psychiatric beds were removed. This relationship held up when introducing per capita income and income inequality as covariates -2.37 (95% CI -3.95 to -0.8; p = 0.006). CONCLUSIONS: Important numbers of psychiatric beds have been removed in Latin America. Removals of psychiatric beds were related to increasing incarceration rates. Minimum numbers of psychiatric beds need to be defined and addressed in national policies.


Assuntos
Prisões , Argentina/epidemiologia , Brasil/epidemiologia , Humanos , América Latina/epidemiologia , México
10.
Eur Arch Psychiatry Clin Neurosci ; 272(1): 107-118, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33725165

RESUMO

Internet-delivered interventions can be effective in treating mental disorders. However, their rate of use in German psychiatric inpatient routine care is low. The current study aimed to investigate the attitude of mental health care professionals working in inpatient care regarding internet-delivered interventions, including presumed benefits, barriers and facilitators. In total, 176 health professionals from ten inpatient psychiatric hospitals throughout Germany were surveyed on site. The professionals' attitude towards internet-delivered interventions in inpatient care was assessed by an adapted version of the 'Attitude toward Telemedicine in Psychiatry and Psychotherapy' (ATTiP) questionnaire. To identify benefits, barriers and facilitators, we developed open-response questions that were based on the 'Unified Theory of Acceptance and Use of Technology' (UTAUT) and analyzed by a qualitative content analysis. Professionals reported little experience or knowledge about internet-delivered interventions. Their attitude towards internet-delivered interventions in psychiatric inpatient care was rather indifferent. The most frequently mentioned potential benefits were an optimised treatment structure and patient empowerment; the most frequently anticipated barriers were too severe symptoms of patients, the feared neglect of face-to-face contacts and insufficient technical equipment; and the most frequently mentioned facilitators were high usability of the internet-based intervention, a sufficient functional level of the patient and further education of staff. For successful implementation in the inpatient sector, internet-delivered interventions must be adapted to the special needs of severely mentally ill patients and to the hospital management systems and workflow. In addition, technical preconditions (internet access, devices) must be met. Last, further education of mental health care professionals is needed.


Assuntos
Atitude do Pessoal de Saúde , Intervenção Baseada em Internet , Transtornos Mentais , Alemanha , Hospitalização , Humanos , Transtornos Mentais/terapia , Serviços de Saúde Mental
11.
Front Psychiatry ; 12: 665957, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34744806

RESUMO

Exposure to childhood trauma is a well-known risk factor for severe mental disorders including schizophrenia and other non-affective psychoses. Beyond childhood trauma, there is increasing evidence that bullying, social exclusion, and discrimination during adolescence and adulthood may increase the risk of developing a psychotic disorder, and that such forms of traumatization may also underlie the elevated psychosis risk among migrants or persons with a visible minority status. In this umbrella review, we systematically assess meta-analyses regarding trauma and social adversity. A systematic literature review yielded 11 meta-analyses that met inclusion criteria and could be summarized quantitatively with a random effect model. Furthermore, six meta-analyses were evaluated qualitatively. Heterogeneity and publication bias were apparent in several meta-analyses. We observed that most significant social risk factors for psychosis were vulnerability for racist discrimination [OR = 3.90 (3.25-4.70)], migration [OR = 2.22 (1.75-2.80)], and childhood adversities [OR = 2.81 (2.03-3.83)]. Furthermore, social factors increasing the risk for psychosis were variation/impairment of parental communication, aversive adult life events, bullying, and factors associated with social isolation and discrimination. In spite of these environmental risk factors, there is a lack of evidence regarding treatment of trauma and psychosis, although some psychotherapeutic and art therapy approaches appear to be promising. Beyond individual interventions, stigmatization, racism, and other forms of discrimination need to be targeted to increase solidarity and communal support.

12.
J Clin Med ; 10(19)2021 Oct 06.
Artigo em Inglês | MEDLINE | ID: mdl-34640614

RESUMO

BACKGROUND: The COVID-19 crisis poses global mental health and global economy challenges. However, there is a lack of longitudinal research investigating whether financial instability and social disruption may increase the risk of developing mental health problems over time that may potentially outlast the pandemic. METHODS: We conducted an online survey for members of the general population (n = 2703) in Germany during the twelve months spanning from April 2020 to March 2021. We investigated the development of COVID-19 related psychological distress, the number of unemployed people, federal government debt, income distribution, and loneliness over the time period. RESULTS: Over a period of twelve months, 53.6% of respondents in Germany reported experiencing psychological distress, varying from mild levels, 34.2%, to severe levels, 19.4%, of distress. High federal government debt, high incident COVID-19 cases, low incomes, and the prevalence of loneliness were found to be associated with increased long-term mental health problems. Psychological distress scores were most strongly increased in female and young respondents as well as those who reported fewer years of education, low income, and higher loneliness. CONCLUSIONS: Our study highlights factors that have a long-term impact on mental health amid the COVID-19 pandemic. We suggest that specific mental-health services could be offered to support high-risk groups experiencing financial fragility and loneliness. For purposes of safeguarding their mental health there is a need to monitor and track such risk factors in real time.

13.
Nervenarzt ; 92(11): 1172-1178, 2021 Nov.
Artigo em Alemão | MEDLINE | ID: mdl-33052424

RESUMO

BACKGROUND: Previous studies among the general population indicated an association between mental illnesses and different forms of financial difficulties, such as indebtedness. OBJECTIVE: Investigation of the financial burden and associated factors among inpatients and day clinic patients in psychiatric care. MATERIAL AND METHODS: A total of 488 patients in psychiatric care in the catchment area of the Psychiatric University Hospital Charité at St. Hedwig Hospital participated in a cross-sectional patient survey carried out with a structured interview regarding financial burden, sociodemographic and clinical variables. RESULTS: Of the participants 269 (55.1%) showed outstanding debts, loans or unpaid bills. Among the participants who were willing to give information about the amount of debts, the majority (47.0%) had debts between 1000 € and 9999 € and 36.3% between 10,000 € and 99,999 €. In the binary regression models, younger age and substance use disorders were factors significantly associated with outstanding debts. Of the participants 22.3% had outstanding debts >10,000 € and were depending on social welfare, so that indebtedness could be assumed. CONCLUSION: Financial burdens and outstanding debts among patients in psychiatric care should be inquired about and considered more intensively in practice. Suitable models of support need to be developed and evaluated.


Assuntos
Pacientes Internados , Transtornos Mentais , Berlim , Estudos Transversais , Alemanha , Humanos , Transtornos Mentais/diagnóstico , Transtornos Mentais/epidemiologia , Transtornos Mentais/terapia , Psicoterapia
14.
Environ Int ; 146: 106236, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-33161201

RESUMO

Goals and pathways to achieve sustainable urban development have multiple interlinkages with human health and wellbeing. However, these interlinkages have not been examined in depth in recent discussions on urban sustainability and global urban science. This paper fills that gap by elaborating in detail the multiple links between urban sustainability and human health and by mapping research gaps at the interface of health and urban sustainability sciences. As researchers from a broad range of disciplines, we aimed to: 1) define the process of urbanization, highlighting distinctions from related concepts to support improved conceptual rigour in health research; 2) review the evidence linking health with urbanization, urbanicity, and cities and identify cross-cutting issues; and 3) highlight new research approaches needed to study complex urban systems and their links with health. This novel, comprehensive knowledge synthesis addresses issue of interest across multiple disciplines. Our review of concepts of urban development should be of particular value to researchers and practitioners in the health sciences, while our review of the links between urban environments and health should be of particular interest to those outside of public health. We identify specific actions to promote health through sustainable urban development that leaves no one behind, including: integrated planning; evidence-informed policy-making; and monitoring the implementation of policies. We also highlight the critical role of effective governance and equity-driven planning in progress towards sustainable, healthy, and just urban development.


Assuntos
Crescimento Sustentável , Reforma Urbana , Cidades , Humanos , Desenvolvimento Sustentável , Saúde da População Urbana , Urbanização
15.
Front Cell Dev Biol ; 8: 590540, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33224955

RESUMO

Excessive ethanol exposure can cause mitochondrial and cellular toxicity. In order to discover potential counteracting interventions, it is essential to develop assays capable of capturing the consequences of ethanol exposure in human neurons, and particularly dopaminergic neurons that are crucial for the development of alcohol use disorders (AUD). Here, we developed a novel high-throughput (HT) assay to quantify mitochondrial and neuronal toxicity in human dopaminergic neuron-containing cultures (DNs) from induced pluripotent stem cells (iPSCs). The assay, dubbed mitochondrial neuronal health (MNH) assay, combines live-cell measurement of mitochondrial membrane potential (MMP) with quantification of neuronal branching complexity post-fixation. Using the MNH assay, we demonstrated that chronic ethanol exposure in human iPSC-derived DNs decreases MMP and neuronal outgrowth in a dose-dependent manner. The toxic effect of ethanol on DNs was already detectable after 1 h of exposure, and occurred similarly in DNs derived from healthy individuals and from patients with AUD. We next used the MNH assay to carry out a proof-of-concept compound screening using FDA-approved drugs. We identified potential candidate compounds modulating acute ethanol toxicity in human DNs. We found that disulfiram and baclofen, which are used for AUD treatment, and lithium caused neurotoxicity also in the absence of ethanol, while the spasmolytic drug flavoxate positively influenced MNH. Altogether, we developed an HT assay to probe human MNH and used it to assess ethanol neurotoxicity and to identify modulating agents. The MNH assay represents an effective new tool for discovering modulators of MNH and toxicity in live human neurons.

16.
Soc Sci Med ; 264: 113306, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32861972

RESUMO

Many adolescents struggle with adequately assessing their weight-status, often leading to unnecessary weight-related interventions or preventing necessary ones. The prevalence of weight-status over- and underestimation differs considerably cross-nationally, suggesting that individual weight-status assessment is informed by cross-nationally differing standards of evaluation. For adolescents with a migration background, this brings up the possibility of a simultaneous influence of origin- and receiving country standards. The current study examines the magnitude of both influences using data from the 2014 Health Behaviour in School-Aged Children study. The cross-national design of the study enabled us to aggregate weight-evaluation standards for 41, primarily European, countries. Subsequently, we identified a sample of 8 124 adolescents with a migration background whose origin as well as receiving country participated in the study. Among those adolescents, we assessed the effects of origin and receiving country weight-evaluation standards using cross-classified multilevel regression analyses. Descriptive analyses revealed considerable differences in weight-evaluation standards between the countries. Regression analyses showed that both origin- and receiving country weight-evaluation standards were significantly associated cross-sectionally with weight-status assessment among the immigrant adolescents, with a stronger impact of receiving country standards. Results illustrate the context-sensitivity of adolescent weight-status assessment and reinforce the theoretical notion that immigrant adolescent development is not only informed by factors pertaining to their receiving country but also, albeit to a lesser extent, by those pertaining to their origin country.


Assuntos
Comportamento do Adolescente , Emigrantes e Imigrantes , Adolescente , Peso Corporal , Criança , Europa (Continente) , Humanos , Instituições Acadêmicas
17.
J Adolesc Health ; 66(6S): S29-S39, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32446606

RESUMO

PURPOSE: The paper explores gender inequalities between 45 countries across 10 health indicators among adolescents and whether those differences in health correlate with gender inequality in general. METHODS: Data from 71,942 students aged 15 years from 45 countries who participated in the 2018 Health Behaviour in School-aged Children survey were analyzed. For this purpose, 10 indicators were selected, representing a broad spectrum of health outcomes. The gender differences in the countries were first presented using odds ratios. Countries with similar risk profiles were grouped together using cluster analyses. For each of the 10 indicators, the correlation with the Gender Inequality Index was examined. RESULTS: The cluster analysis reveals systematic gender inequalities, as the countries can be divided into seven distinct groups with similar gender inequality patterns. For eight of the 10 health indicators, there is a negative correlation with the Gender Inequality Index: the greater the gender equality in a country, the higher the odds that girls feel fat, have low support from families, have low life satisfaction, have multiple health complaints, smoke, drink alcohol, feel school pressure, and are overweight compared with boys. Four indicators show a divergence: the higher the gender equality in a country in general, the larger the differences between boys and girls regarding life satisfaction, school pressure, multiple health complaints, and feeling fat. CONCLUSIONS: Countries that are geographically and historically linked are similar in terms of the health risks for boys and girls. The results challenge the assumption that greater gender equality is always associated with greater health equality.


Assuntos
Imagem Corporal , Equidade de Gênero , Disparidades nos Níveis de Saúde , Sobrepeso , Adolescente , Peso Corporal , Análise por Conglomerados , Comparação Transcultural , Feminino , Indicadores Básicos de Saúde , Humanos , Masculino , Fatores Sexuais , Inquéritos e Questionários
18.
Proc Natl Acad Sci U S A ; 117(22): 12411-12418, 2020 06 02.
Artigo em Inglês | MEDLINE | ID: mdl-32430323

RESUMO

Genetic factors and socioeconomic status (SES) inequalities play a large role in educational attainment, and both have been associated with variations in brain structure and cognition. However, genetics and SES are correlated, and no prior study has assessed their neural associations independently. Here we used a polygenic score for educational attainment (EduYears-PGS), as well as SES, in a longitudinal study of 551 adolescents to tease apart genetic and environmental associations with brain development and cognition. Subjects received a structural MRI scan at ages 14 and 19. At both time points, they performed three working memory (WM) tasks. SES and EduYears-PGS were correlated (r = 0.27) and had both common and independent associations with brain structure and cognition. Specifically, lower SES was related to less total cortical surface area and lower WM. EduYears-PGS was also related to total cortical surface area, but in addition had a regional association with surface area in the right parietal lobe, a region related to nonverbal cognitive functions, including mathematics, spatial cognition, and WM. SES, but not EduYears-PGS, was related to a change in total cortical surface area from age 14 to 19. This study demonstrates a regional association of EduYears-PGS and the independent prediction of SES with cognitive function and brain development. It suggests that the SES inequalities, in particular parental education, are related to global aspects of cortical development, and exert a persistent influence on brain development during adolescence.


Assuntos
Encéfalo/crescimento & desenvolvimento , Cognição , Escolaridade , Sucesso Acadêmico , Adolescente , Adulto , Encéfalo/diagnóstico por imagem , Encéfalo/fisiologia , Feminino , Humanos , Estudos Longitudinais , Imageamento por Ressonância Magnética , Masculino , Memória de Curto Prazo , Herança Multifatorial , Classe Social , Adulto Jovem
19.
Artigo em Inglês | MEDLINE | ID: mdl-31963406

RESUMO

Although the school-class is known to be an important setting for adolescent risk behavior, little is known about how the ethnic composition of a school-class impacts substance use among pupils with a migration background. Moreover, the few existing studies do not distinguish between co-ethnic density (i.e., the share of immigrants belonging to one's own ethnic group) and immigrant density (the share of all immigrants). This is all the more surprising since a high co-ethnic density can be expected to protect against substance use by increasing levels of social support and decreasing acculturative stress, whereas a high immigrant density can be expected to do the opposite by facilitating inter-ethnic conflict and identity threat. This study analyses how co-ethnic density and immigrant density are correlated with smoking among pupils of Portuguese origin in Luxembourg. A multi-level analysis is used to analyze data from the Luxembourg Health Behavior in School-Aged Children study (N = 4268 pupils from 283 classes). High levels of co-ethnic density reduced current smoking. In contrast, high levels of immigrant density increased it. Thus, in research on the health of migrants, the distinction between co-ethnic density and immigrant density should be taken into account, as both may have opposite effects.


Assuntos
Sucesso Acadêmico , Emigrantes e Imigrantes/estatística & dados numéricos , Etnicidade/estatística & dados numéricos , Densidade Demográfica , Fumantes/estatística & dados numéricos , Fumar/epidemiologia , Adolescente , Criança , Feminino , Humanos , Luxemburgo/epidemiologia , Masculino , Portugal/etnologia , Fumar/psicologia , Estudantes/estatística & dados numéricos
20.
Transcult Psychiatry ; 56(1): 48-75, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30131021

RESUMO

Women of Turkish descent in Germany show higher rates of suicidal behavior compared to their host populations and men of Turkish descent. This indicates a demand for a better understanding of suicidality in this group. Nine focus groups ( N = 61) were conducted to assess explanatory models including patterns of distress, perceived causes, course/consequences of and reactions towards a suicidal crisis, help-seeking behavior, and potential intervention and prevention strategies. All participants were of Turkish descent living in Berlin, Germany. The focus groups included two with professionals such as psychiatrists or psychotherapists, two with Community Mothers, three with women from the community (ages: 18 -34, 35 -49, 50+), and of three suicide attempters (ages: 18 -33, 38 -66). Data were analyzed using the methodology of thematic analysis. Results show that suicide-related behaviors, attitudes, and help-seeking behavior have gender and culture-specific characteristics. Two central themes were identified: the impact of family and community and the impact of German society. Participants stated that they believe that family and community pressures as well as discrimination and lack of acceptance cause social isolation. Fear of stigmatization and dishonoring themselves or their family, as well as shame and self-stigma decrease the likelihood of reaching out for help. Recommended strategies are community and family interventions, promotion of integration and social inclusion, awareness campaigns to destigmatize suicidality and the use of mental health services, empowerment of women, as well as the improvement of cultural sensitivity and competency of services.


Assuntos
Emigrantes e Imigrantes/psicologia , Modelos Psicológicos , Aceitação pelo Paciente de Cuidados de Saúde , Estigma Social , Tentativa de Suicídio/psicologia , Adolescente , Adulto , Idoso , Competência Cultural , Feminino , Grupos Focais , Alemanha/epidemiologia , Humanos , Entrevistas como Assunto , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Fatores Sexuais , Fatores Socioeconômicos , Turquia/etnologia , Adulto Jovem
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