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Objective: To investigate the role of optimism, hope, and gratitude as psychosocial factors for healthy development, especially with regard to anxiety in college students in the context of coronavirus disease 2019 (COVID-19)., Methods: This is a quantitative, descriptive cross-sectional study. A sociodemographic questionnaire, the Brazilian Gratitude Scale (Escala Brasileira de Gratidão [B-GRAT]), and the Brazilian versions of an anxiety subscale, the Revised Life Orientation Test (LOT-R), Hope Index Scale, and BIG-FIVE were administered. Data were analyzed using the Mann-Whitney U test, the Kruskal-Wallis test, Spearman correlations, and hierarchical linear regression., Results: A total of 297 students were assessed. The relationship between gratitude and anxiety became positive in the hierarchical linear analysis, contradicting the initial negative association between these variables according to the Spearman coefficients. This contradiction may be a result of the suppression effect. When gratitude was added to the model, these three variables together accounted for 38% of the variance in anxiety. This indicates that optimism, hope, and gratitude together are significant predictors, although optimism alone accounts for the greater part of the variance in decreased anxiety., Conclusion: The data confirm that family and religiosity are protective factors against mental illness, specifically non-adaptive anxiety. Furthermore, developing optimism as a protective factor makes it possible to experience less anxiety while hope has the potential to provide the individual with multiple pathways to healthy development. This study highlights that gratitude plays a dual role in these relationships as it has the potential to be associated with anxious feelings with likely negative outcomes while at the same time it can drive positive psychosocial factors of optimism and hope, decreasing anxiety., Competing Interests: No conflicts of interest declared concerning the publication of this article.

Multiple sclerosis (MS) is an autoimmune neurodegenerative disease that is characterized by the demyelinated inflammatory processes that occur within the central nervous system. Hypothalamus-pituitary-adrenal axis (HPA axis) dysfunctions have been associated with the triggering or increase in MS symptoms. We thus aimed at evaluating motor and behavioral functions, planning skills, processing speed, and their relationship with stress through measuring hair cortisol concentration from patients with MS. The sample was composed of 40 volunteers that were clinically diagnosed with MS, along with 33 healthy adults. Evaluations included: Clinical Evaluation Form, Mini-Mental State Exam, Hamilton Depression Rating Scale, Multiple Sclerosis Functional Composite Measure, Expanded Disability Status Scale, Berg Balance Scale, Perceived Stress Scale, Zoo Map task, and a hair sample to analyze cortisol levels in the last 30 days. MS patients showed highly elevated hair cortisol levels in comparison to the control group (p = 0.048). All groups presented some degree of depressive and anxiety symptoms, aside from considerable perceived stress levels. The MS group presented deficits in gait, balance, manual skills and processing speed, and this was particularly so in individuals with moderate impairments when compared to control group (p < 0.001). Individuals with MS spent less time planning on ZooMap1 (p = 0.024) and made more mistakes (p < 0.001). No correlation was found between hair cortisol and the symptoms we assessed. However, depressive symptoms and anxiety were related to perceived stress, and higher hair cortisol suggests a change in levels in the HPA axis in MS. Nevertheless, future studies will be necessary to further understand how basal hair cortisol is related to MS symptoms.