The use of macronutrient and micronutrient foods is associated with the duration of sleep. This study aimed to determine the effect of zinc supplements on the sleep quality of older adults. The current parallel randomized clinical trial study was performed using a convenience sampling method. One hundred and fifty older adults who met the inclusion criteria were assigned to intervention and control group. The participants in the intervention group received a daily dose of 30 mg zinc supplementation pill for 70 days and the control group did not receive any supplement. Sleep quality was measured using the Pittsburgh Sleep Quality Index (PSQI). Serum zinc level in both groups was measured through the auto-analysis method. The questionnaire was completed and the serum level of zinc was measured twice, before the intervention and 70 days after the intervention. Both groups were homogeneous in terms of demographic variables, sleep quality, and serum zinc level before the intervention. Of all, 73.3% of older adults in the intervention group and 74.7% of older adults in the control group had poor sleep quality. Sleep quality in the intervention group, as compared with the control group, significantly improved after the intervention. Furthermore, serum zinc levels in older adults in the intervention group, as compared with the control group, significantly increased after the intervention. Based on the results of this study, it is recommended to utilize zinc supplementation as a new therapeutic approach for improving sleep quality in older adults.

Parkinson's disease (PD) is a chronic, neurodegenerative disorder that in certain stages can present a series of acute symptoms and signs, the development of which lasts several hours or days. Emergencies in PD can be a direct consequence of the pathophysiology of the disease or a secondary consequence of the administration of antiparkinsonian drugs. Urgent conditions in PD can also occur due to falls, infectious diseases, after deep brain stimulation or surgical treatment of other accompanying diseases.This article describes the following emergency conditions: parkinsonism-hyperpyrexia syndrome, dyskinesia hyperpyrexia syndrome, occurrence of acute psychosis and delirium during PD. Morbidity and mortality in these disorders are a consequence of the inability to make a timely diagnosis and provide appropriate therapeutic treatment. Timely diagnosis and treatment are very important for reducing the mortality and morbidity rates.

This meta-analytic study was conducted with the aim of quantitative integrating the findings obtained in individual studies that were concerned with determining the relationship between generalized anxiety disorder (GAD) and emotional dysregulation in studies conducted on non-clinical sample and adult population. The studies included in the meta-analysis are quantitative correlational studies in English, published in scientific journals in the last twenty years and whose methodological features correspond to the context of this analysis. The average weighted correlation, expressed by the Pearson correlation coefficient, is .497 and can be characterized as moderate. The obtained results are in line with the expectations and results of other researchers. The obtained results indicate a high heterogeneity and the study is discussed with suggestions for researchers in this field in the direction of continuing research on the relationship between the variables that are the subject of research. Empirical evidence testifies to the fact that problems of emotional regulation occur not only in persons with GAD, but also in panic disorder, social phobia and depression, which opens the door to the investigation of potential mediating relationships or covariates that influence the development of psychopathological symptomatology.