BACKGROUND Regulatory monitoring data have been the exposure data resource most commonly applied to studies of the association between long-term PM2.5 components and health. However, data collected for regulatory purposes may not be compatible with epidemiological studies. OBJECTIVES We studied three important features of the PM2.5 component monitoring data to determine whether it would be ap...

conclusions the findings of the current study will be beneficial in prevention of rtcs and its associated complications and hence will be vital for policy makers, health service managers and stakeholders. context despite considerable attention given to health statistics of road traffic crashes (rtcs), the epidemiological aspects of injuries resulting from rtcs are not fully understood in iran a...

background: multiple sclerosis (ms) is the most common demyelinating and inflammatory disease of the central nevus system especially in young adults, but in a subgroup of patients the first clinical symptoms present after the age of 50. this clinical presentation is defined as late-onset multiple sclerosis (loms). the incidence and prevalence of ms including loms vary geographically. the aim of...

abstract: introduction: psychiatric disorder is a disease in which patients suffer from emotional problems that these are visible in all aspect of patient’s life. studies show that there is a major difference between the prevalence of this disease in different countries and also show that this disorder is increasing. the aim of this study is to find the possible relationship between psychiatric...

conclusions considering the high occurrence of the mortality and the injuries of the rtis compared to that of the other types of accidents, more attention to rtis in planning and interventions seems necessary. background road traffic injuries (rtis) are the leading cause of injuries and the second cause of mortality in iran. objectives the aim of this study was to investigate the epidemiologica...