The purpose of the present study was the simulation of climate change effects on groundwater resources in Iran by using the dynamic systems approach. The approach was performed through system dynamics modeling process including problem explanation, system description, model development, model testing, and the use of the model for policy analysis. The impact of the application of various exogeno...

Background This cross-sectional investigation aimed to evaluate the prevalence of IgM and IgG anti-Toxoplasma gondii antibodies and the associated risk factors among healthy blood donors in Khorasan Razavi Province, northeast of Iran from Nov 2014 to May 2015. Methods Overall, 491 serum samples from apparently healthy blood donors referred the six biggest blood centers in Razavi Khorasan, Ira...

In the past decades, cardiovascular diseases were the most common causes of death around the world and in Iran (1, 2). Various factors play an important role in the incidence of CVD; such as environmental, personal as well as lifestyle. We studied the geographical distribution of 19142 CVD deaths f r o m 2004 -2010 in South Khorasan. The mean age of the deceased was 59.3±28.9 years. 28.5% death...

BACKGROUND Pediculosis (head lice) is considered as one of the most common health problems of the students in primary schools. The purpose of this study was to survey the prevalence rate of the infestation in the schools of Gonabad City (south of Khorasan-e-Razavi Province) to prevent its outbreak by on-time planning. METHODS In this retrospective-descriptive study, data were collected from t...

BACKGROUND The hospital-based stroke registry is useful for understanding diverse clinical characteristics of stroke related to geographical, racial, or environmental differences. METHODS The Khorasan Stroke Registry was established for evaluation of incidence, clinical manifestations, risk factors, topography, and etiology of ischemic stroke in Southern Khorasan, Iran, during 2001 - 2005. Co...