population in all countries plays a fundamental role in economic growth and economic development. but besides absolute size and growth rate of population, the more important factor will be “age structure” or “age distribution” of population, because it can be as source of many economical, social, and political challenges. in this research, we investigate effect of changes in population shares i...

frustrating situations that impede or prevent some form of ongoing goal-directed behavior are believed to act as a catalyst for aggressive behavior. from social learning approaches aggression is a learned response through observation or imitation of socially relevant others. many psychological factors are at play in aggressive driving and many may prove difficult to control. human beings are na...

backgrounds and aims: using geographical information system (gis) can decreases the burden of road traffic injuries effectively by identification of hot spot to modification in hazardous areas. the aim of the study was determining geographical distribution of human risk factors associated with road traffic injuries by using geographical information system (gis) in iran. materials and methods: t...

Introduction: Vehicle and motorcycle accidents are one of the main causes of mortality in the world and the highest rates of mortality are attributed to developing countries. On average, every day, there are three thousand car deaths in the world, and mortality related to vehicles are the 11th most common cause of death in developing countries. In our country, the death toll from driving accide...

introduction: equity in health means justice in the distribution of community health. the purpose of justice in health is to consider health needs of all people regardless of their geographical location or cultural, economic, and social status. the aim of this study was to assess distribution of specialists based on population (100,000 people) in public hospitals of iranian provinces during 201...

Introduction: Vehicle and motorcycle accidents are one of the main causes of mortality in the world and the highest rates of mortality are attributed to developing countries. On average, every day, there are three thousand car deaths in the world, and mortality related to vehicles are the 11th most common cause of death in developing countries. In our country, the death toll from driving accide...

Traffic problems are the most prominent urban dilemmas, especially during recent years, since the capacity of old traffic arteries don’t meet the increasing volume of population and vehicles, therefore, adopting some measures in order to enhance the capacity of existing roads has been placed on the agenda of urban managers. Changing the existing intersections to over changes is one of these met...