Background: Prostate cancer is the third most common malignancy in men worldwide. Despite being a helpful biomarker in prostate cancer, prostate specific antigen (PSA) is affected by different factors including age, lifestyle, geographical region and ethnicity. Objective: To determine the age specific serum PSA level among healthy Northern Iranian men and to compare the results of our study wit...

obesity is one of the main public health problems which underlie many chronic illnesses and socioeconomic difficulties. according to the literature review, there are limited data on the prevalence of obesity in different parts of iran as well as its trend and prevalence among different age and gender groups. the aim of this study was to estimate the obesity prevalence in iran using meta-analysi...