background and aims: coronary heart diseases (chds) contribute to mortality, morbidity, disability, productivity and quality of life. this study was aimed to determine the prevalence of major risk factors for chd in the provinces of iran. methods:this study reported pre-existing data and was of secondary, descriptive type. prevalence of non-communicable disease (ncd) risk factors was defined fo...

background and objectives: exposure to contaminated needlesticks and sharp devices is an important occupational hazard among healthcare workers. the objective of this study was to gain further insight into prevalence and risk factors of needlestick and sharps injuries among healthcare workers. methods: a cross-sectional survey was carried out among 384 healthcare workers of two hospitals in ne...

work-related musculoskeletal disorders (wmsds) are common among drivers and official workers. musculoskeletal disorders are frequent causes of absenteeism in many countries. the aim of this study was to determine the prevalence of musculoskeletal disorders and risk factors associated with these symptoms. a total of 346 workers and truck drivers were participated in this case-control study. all ...

background: the sporadic cases of radiation-activated multiple sclerosis (ms) has been previously described, with a few studies focused on the relationship between radiation and the risk of ms. the aim of our study was to evaluate the association between history of x-ray radiation and ms.   methods : this case-control study was conducted on 150 individuals including 65 ms patients and 85 age- a...

Importance of this research Almost any process that undertakes actions relies on situational awareness. Such awareness can be supported by using sensors. In dynamic situations the observation task can get complicated and sensors may need to be reconfigured in real time. Choosing the right configuration and allocating the available resources, such as time, of the sensors is very challenging. Thi...

In developed countries, businesses are adopting environmentally friendly management practices, possibly because they are proving profitable. However, the benefits of a corporate environmental strategy are less clear in developing and transition economies, where environmental regulations are poorly enforced and social pressures are weak. Given this lack of clarity, understanding the causes and c...

analysis on both sides of the management/ research fence in a federal land-management agency in areas of wildlife and ecosystem conservation (e.g., Marcot et al. 2006). I can attest that this classical risk-management framework, as applied to public land and natural resource management, just doesn’t work as portrayed in the textbooks. Here’s why, and here are some practical opportunities for mo...

Two conditions are stated which must be fulfilled in order to safeguard that the negative effects of environmental pollution and risks do not outweigh the beneficial effects of global technological development and free markets. The conditions are: (1) There must be consensus on the conditions under which activities are allowed, among all those who may experience negative effects from those acti...

Different definitions of risk too easily lead to differences in the type and level of risk accepted by varying stakeholders involved in the remediation process and redevelopment of contaminated sites as a whole. This can be rooted in the way risk information is interpreted and evaluated: technical risk definitions are largely evidential and based on engineering or technical contents, whereas so...