introduction zinc is a vital micronutrient in humans and its deficiency in children can thwart their growth and development, compromise their immunity and cognitive function. however, there is a paucity of studies about the effect of zinc supplementation on cognitive functions. this study is an attempt to quantify the impact of zinc supplementation on cognitive performance of schoolchildren. ma...

extended abstract 1. introduction one of the important aspects of sustainable social development is the use of the concept of social capital in its social term. in fact, social capital is a key to the establishment of civil society and civic life. disruption of social relations in the city, urbanization, increase in the migration from rural to urban areas and cultural, social and economic diver...

introduction: medical tourism as one of the dimensions of tourism is helping in sustainable development and dynamics of the economy. considering the low cost and high income of the industry and its role on strengthening country health structures, many developing countries focused their attention on the industrial sector and planning for it. the purpose of this research was to investigate effect...

Introduction: Sex differences are observed in the development of tolerance to antinociceptive effect of opioid drugs such as morphine, but the underlying mechanisms remain unclear. Critical role of glutamate in the development and maintenance of opioid tolerance has been reported by many investigators. There are also evidences about interaction between gonadal hormones and neuromodulatory sy...