conclusions the results of this study show a considerable prevalence of chronic pain among adults in tehran. therefore, it is necessary to pay more attention to different types of chronic pain by planners and policy makers. background chronic pain has been estimated to affect between 2% - 40% of the adult population and its prevalence is increasing. objectives this study aimed to provide epidem...

objective: the prevalence of obesity is rising in both developed and developing countries. globally, it is estimated that nearly one billion adults are overweight at least 300 million of them are clinically obese. in afghanistan no published data is available regarding non-communicable diseases including obesity. this paper reports the prevalence and associated risk factors of obesity among adu...

asthma, which is mainly distinguished by airway inflammation and bronchial hyper responsiveness, is known as one of the most common chronic diseases worldwide. it also is the most frequent chronic respiratory disorder amongst all age groups. on one side of the asthma story, there are massive investment of time, effort and money, a large number of pharmaceutical and academic research studies, he...

Background & aim: Evaluation of prevalence of risk factors for breast cancer in different regions of Iran and identification of their significant effect on this disease can promote the prevention and reduction of breast cancer incidence. Therefore, this study aimed to evaluate the prevalence, demographic characteristics, and frequency of the risk factors of breast cancer during 10 years. Method...

Background: Considering the increasing rates of early hospital discharge and kernicterus in healthy full term newborns, timely identification of neonates at risk of severe hyperbilirubinemia is of great significance. The aim of this study was to investigate the predictive value of umbilical cord serum (UCS) bilirubin level for subsequent hyperbilirubinemia. Moreover, we compared the predictive ...

drilling operations are exposed to a variety of hazards, some of which may be location and activity dependent and each could pose different risk from different paths.  drilling operation may be vulnerable to hurricanes in one region and be exposed to geohazards in another. however, there are other hazards, (e.g. corrosion, age degradation, poor maintenance), which equally affects every rig. ide...