conclusions the findings of the meta-epidemiological study support that ebv infection may increase the risk of breast cancer. nested case-control studies are required in the future. results a total of 20 case-control studies were selected, and the total numbers of subjects in the case and control groups were 1947 and 1010, respectively. the findings of this meta-analysis revealed that ebv infec...

purpose this study was conducted to investigate risk factors of obesity and its associated health problems in adolescence in taiwan. methods we enrolled 559 adolescent volunteers with equal numbers of females and males in 2008. participants were divided into two groups: obese (body mass index [bmi] ≧95th percentile) and normal-weight adolescents (bmi: 15th ∼ 85th percentile). each of them compl...

background: more than half of myocardial infracted (mi) patients have no conventional risk factors. regarding the belief that opium addiction has a protective effect on heart diseases, addiction prevalence has unfortunately increased in recent years. this study was conducted to investigate the effect of opium addiction on patients with acute myocardial infarction. methods: this case-control stu...

Background and aims: Infertility is a major problem during reproductive age. Physical and psychological effects of infertility in women are problematic. The aim of this study was to determine the potential predictive factors of infertility, among women referring both public and private health centers in Ilam province, western Iran, in 2013. Methods: In this cross-sectional study, 1013 women re...

Background: Considering the important impact of preterm deliveries on neonatal mortality and morbidity, this study was designed to assess the prevalence of preterm deliveries and evaluate possible effective factors of them, in two cities of Iran. Materials and Methods: In this cross-sectional study on 1513 pregnant women attending delivery facilities in educational hospitals of Tehran and Noor ...

Cytomegalovirus (CMV) infection is one of the most common infections that affects humans’ cardiovascular system. Although the literature includes controversial evidence for any correlation between CMV infection and arterial atherosclerosis, the majority of studies, especially those with larger patient population and stronger data stand for such a relationship. However, the number of prospective...

Background Preterm birth significantly affects the neonates’ survival. It also increases the risk of neonatal complications, prolongs the hospitalization period, and imposes high costs on the public health system. This study is aimed to assess the risk factors of the preterm birth. Materials and Methods This case-control stud...

Introduction: The present study was planned to assess the prevalence of cardiovascular risk factors among nurses. Methods: This descriptive-analytical study was done on employed nurses in Birjand in 2011. At first, complete clinical examinations were done; including height, weight, waist circumference, and blood pressure in standard ways. Then, 5cc blood ...

Background: Neonatal jaundice is the most common cause of newborns' hospitalization. This study aimed to examine various maternal, childbirth, and neonatal factors affecting the neonatal skin bilirubin level and severe jaundice. Methods: This cross-sectional study was conducted on 1066 healthy neonates with a gestational age of 35 weeks or ov...

This study aimed to present a model for portfolio risk premium assessment of companies listed in Tehran Stock Exchange. In order to achieve this purpose, monthly data of 150 companies listed in Tehran Stock Exchange during 2007-2017 was used. In this study, the predictive powers of FamaFrench three-factor model [11], Carhart four-factor model [1], Fama - French five-factor model [24], Brousseau...