this paper utilises the modified folchi method to assess the environmental impact of coal washing plant, alborz sharghi, north-east iran. in this study, the number of factors designed in the method was slightly modified by focusing on the environmental impact of coal washing operations. in addition, few other factors were designed and added to the previous factors. then, twenty-one values of en...

background: several environmental and psychosocial risk factors are known for adolescent smoking as the single cause of preventable diseases and premature death. this cross-sectional study aimed to determine the prevalence of cigarette smoking, socio-demographic factors associated with cigarette smoking (age, education level, parents’ job, and family’s socioeconomic statues), and the role of fa...

abstract objective the incidence of childhood cancer has been increasing nearly one percent per year for the past two decades. leukemia and lymphoma are the most common types of childhood cancers. this study assessed the relation between environmental factors (hydrocarbon, agricultural toxin, insecticide) and leukemia/lymphoma in children, which was evaluated by the frequency of the parents’ ha...

infertility is believed to be part of the various medical problems that has increased up to 50% since 1955 in the world and 10-15% of couples are already suffering from it. development of industrialization and urbanization in human societies have dramatically changed the human life style and led gradually to the increase of various environmental risk factors. humans are exposed to polluted air,...