The cancer mortality ratios (CMRs) in Poland in high and low level radiation areas were analyzed based on information from national cancer registry. Presented ecological study concerned six regions, extending from the largest administration areas (a group of voivodeships), to the smallest regions (single counties). The data show that the relative risk of cancer deaths is lower in the higher rad...

BACKGROUND Western diets are associated with obesity, vascular diseases, and metabolic syndrome and might increase dementia risk in later life. If these associations are causal, those low- and middle-income countries experiencing major changes in diet might also see an increasing prevalence of dementia. OBJECTIVE To investigate the relationship of dietary supply and the prevalence of dementia...

BACKGROUND Maternal mortality (MM) is an avoidable death and there is national, international and political commitment to reduce it. The objective of this study is to examine the relation of MM to socioeconomic factors and its inequality in Iran's provinces at an ecologic level. METHODS The overall MM from each province was considered for 3 years from 2004 to 2006. The five independent variab...

Statistical analysis of the unresolved light in the Hubble Deep Field (HDF) strongly constrains possible sources of the optical Extragalactic Background Light (EBL). This constraint is crucial for determining the spectrum of the EBL because reported upper limits on the optical EBL are several times larger than the surface brightness from detected galaxies, suggesting the possibility of addition...

BACKGROUND Despite the advances in the diagnosis and treatment of leishmaniasis, it is still considered as a severe public health problem particularly in developing countries and a great economic burden on the health resources. The present study was designed and conducted to determine the eco-environmental characteristics of the leishmaniasis disease by spatial analysis. MATERIALS AND METHODS...

background: this was a population-based study to examine whether the campaign for world aids day 2005 in iran was suc­cessful. methods: a random sample of the general population was asked whether they had seen the campaign and knew the mes­sage. they were also asked whether it was attractive; there was anything offensive, whether the campaign could raise aware­ness, and how they rated the campa...

â  â  background non-alcoholic fatty liver disease/steatohepatitis (nafld/nash) is the most common form of chronic liver disease woldwide and is no longer considered a benign disease. its prevalence has not been deterâ­mined in a large-scale population-based study in iran. me t hod s a total of 6583 individuals aged 18 to 65 were randomly selected from three geographically distinct provinces in...