background: in recent years, the concept of health security has received an international dimension. however, despite evident links between health and security the concept of health security is not used in either academic or political discourse in serbia. it comes as no surprise then that even though the issue of security challenges is present in serbian legislation, it has not been incorporate...

introduction: psychological and social health is the main problems of workers population, which can increase productivity at work and physical and mental health and provide or decline in these aspects. materials and methods: this study was descriptive and crosses - sectional and has been performed on 388 iranian central iron ore company workers. the tool of study was standard ghq-28 question ar...

Agriculture in Africa is not sustainable because average yields have been stagnating for decades due to underinvestment, especially in the development of agricultural markets, crop improvement and the sustainable management of agricultural systems. Low public sector funding for agricultural research and lack of incentives for the private sector to operate in areas where there is no market large...