background & aim: depression is a chronic and overwhelming disorder. one of the factors that could prevent the occurrence of depression is tea consumption. considering the controversial results of previous studies, the aim of this systematic and meta-analysis review study was to answer this question that whether tea consumption could decrease the risk of depression. methods & materials : by sea...

conclusions there is a relationship between depression and metabolic syndrome. results seventeen studies were analyzed with a sample size of 31880 people. analysis by the type of studies showed that the relationship between the two variables in cross-sectional studies (or = 1.51, ci 95% = 1.36 - 1.68) and cohort studies (or = 1.6, ci 95% = 1.23 - 2.08) was significant. in general, the heterogen...

background: respiratory distress syndrome and persistent pulmonary hypertension of the newborn are common acquired diseases in preterm infants. in the past several years, randomized controlled trials (rcts) have indicated that inhaled nitric oxide (ino) can potentially lower for both the incidence of bronchopulmonary dysplasia (bpd) and mortality in affected infants. other research has, however...

background in recent years, many studies have been conducted to establish the causes of people’s tendency to become addicted and researchers have also tried to determine the amount, importance and role of each individual and environmental factor. objectives with regard to the inconsistencies in previous research results, this study aims to use meta-analysis in order to integrate the results of ...

context migraine is a major dilemma and problem which affects public health and results to reduced quality of life. this study aimed to determine the prevalence of migraine in iran. evidence acquisition a systematic search was conducted using pub med, web of science, embase, scopus, ovid, google scholar, as well as iranian databases including: magiran, iranmedex and scientific information datab...

objective(s):this study aims to investigate the relationship between human papillomavirus (hpv) and breast cancer using meta- analysis. materials and methods: relevant studies were identified reviewing the national and international databases. we also increased the search sensitivity by investigating the references as well as interview with research centers and experts. finally, quality assessm...

aim and background: in recent years, experts in the field of obsessive-compulsive disorder have been trying to measure the validity and efficiency of pharmaceutical interventions. the meta-analysis evaluated the effectiveness of medication on symptoms of patients with obsessive-compulsive disorder. methods and materials: this meta-analysis was conducted on studies during the past decade in iran...

conclusions the majority of iranian women had neutral attitudes towards menopause, which may be evidence of poor knowledge about menopause. therefore, it is suggested that appropriate educational programs be developed and implemented by policymakers in order to increase knowledge and raise awareness among women about menopause. results out of the 21 selected documents, 11 studies were eligible ...

introduction: the aim of the present research was to conduct a meta-analysis on the effectiveness of play therapy studies on behavioral disorders in children. method: the method of this study was meta-analysis. twenty two studies from throughout iran (1996 to 2012) including 637 participants were used in this meta-analysis. data was analyzed using standardized mean difference effect size method...

background: gastric cancer is the second most common cause of death from cancer. as conflicting studies have recently been published, we aimed to evaluate the magnitude of the epidemiological evidence for an association between alcohol consumption and gastric cancer. methods: this study is a meta-analysis of case-control studies which have been performed during 1989 to 2007. we systematically r...