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Aims: This study aimed to evaluate the effects of Ramadan diurnal intermittent fasting (RDIF; 29-30 days) on cardiometabolic risk factors (CMRF) in healthy adults, and examine the effect of various cofactors on the outcomes using sub-group meta-regression., Data Synthesis: We conducted a systematic review and meta-analysis to measure the effect sizes of changes in CMRF in healthy adult Muslims observing RDIF. Ten scientific databases (EBSCOhost, CINAHL, Cochrane, EMBASE, PubMed/MEDLINE, Scopus, Google Scholar, ProQuest Medical, ScienceDirect, and Web of Science) were searched from the date of inception (1950) to the end of November 2020. The CMRF searched and analyzed were total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), very low-density lipoprotein cholesterol (VLDL-C), diastolic blood pressure (DBP), and heart rate (HR). We identified 91 studies (4431 adults aged 18-85 years) conducted between 1982 and 2020 in 23 countries distributed over four continents. RDIF-induced effect sizes for CMRF were: TC (no. of studies K = 77, number of subjects N = 3705, Hedge's g = -0.092, 95% confidence interval (CI): -0.168, 0.016); TG (K = 74, N = 3591, Hedge's g = -0.127, 95% CI: -0.203, 0.051); HDL-C (K = 68, N = 3528, Hedge's g = 0.138, 95% CI: 0.051, 0.224); LDL-C (K = 65, N = 3354, Hedge's g = -0.115, 95% CI: -0.197, -0.034); VLDL-C (K = 13, N = 648, Hedge's g = -0.252, 95% CI: -0.431, 0.073), DBP (K = 32, N = 1716, Hedge's g = -0.255, 95% CI: -0.363, 0.147), and HR (K = 12, N = 674, Hedge's g = -0.082, 95% CI: -0.300, 0.136). Meta-regression revealed that the age of fasting people was a significant moderator of changes in both HDL-C (P = 0.02) and VLDL-C (P = 0.01). Male sex was the only significant moderator of changes in LDL-C (P = 0.055). Fasting time duration was the only significant moderator of HDL-C (P = 0.001) at the end of Ramadan., Conclusions: RDIF positively impacts CMRF, which may confer short-term transient protection against cardiovascular disease among healthy people., (Copyright © 2021 The Italian Diabetes Society, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.)

Objective: Acquired dietary habits and lifestyle behaviors of patients with schizophrenia may affect their life expectancy, disease complications and prognosis. The objectives of the current study were to assess the dietary habits and other lifestyle behaviors for Bahraini patients with schizophrenia, and to determine their associations with different medical comorbidities., Method: A case-control study was conducted during the period of March to December 2016. A sample of 120 cases were recruited from the Psychiatric Hospital, Bahrain and age-sex-matched with 120 controls. Controls were recruited from primary health centres, and were free from serious mental illness. Dietary habits and lifestyle behaviors including smoking, alcohol intake and physical activity were assessed using a questionnaire. All medical records were reviewed retrospectively. Logistic regression analysis was used to identify dietary and lifestyle risk factors that are associated with one or more disease comorbidities., Results: Cases had higher prevalence of smoking and alcohol intake, excessive dietary intake, and decreased physical activity (all P<0.05) compared with controls. Cases appeared to be at higher risk for developing chronic medical conditions such as obesity, type 2 diabetes, hypertension, cardiovascular disease, and musculoskeletal disorders. Cases were three times more likely to have up to three or more medical comorbidities compared with controls. Excessive dietary intake and decreased physical activity were identified as the main risk factors., Conclusion: Excessive caloric intake and decreased physical activity represent the main dietary and lifestyle risk factors associated with comorbidities among patients with schizophrenia in Bahrain., (Copyright © 2017 Elsevier B.V. All rights reserved.)