aim and background: biological, psychological and social phenomenon of substance abuse in adolescents is one of the most critical issues facing modern societies. one of the major concerns of the health and social policy makers is the increasing prevalence of addictive behaviors, particularly tobacco smoking in this age group. prevalence and trends toward high-risk behaviors among adolescents in...

Historic urban areas are a significant part of each city not only due to having irreplaceable cultural and social resources, but also due to their attractive patterns of life. They have being threatened by strong development trends. This paper aims to investigate the impacts of redevelopment trends in the historic city of Shiraz, Iran. The paper begins by highlighting historical development in ...

one of the important and essential issues in human life is obtaining substance. property is an obvious instance of sustenance that directly and indirectly affects human body and soul. it may bring about spiritual development and perfection. however, corruptions and dependence on property and riches cause people to try to obtain assets by any means, even though illegitimate and illicit ways. bas...

With more scholarly journals being distributed electronically rather than in print form, we know that researchers download many articles. What is less well known is how journal articles are used after they are initially downloaded. To what extent are they saved, uploaded, tweeted, or otherwise shared? How does this reuse increase their total use and value to research and how does it influence l...

Students, when entering the community of university, are faced with changes which might affect their individual-social adjustment. Individual-social adjustment will be proved by person's interaction with the environment skills and its result is that person enjoys of social interaction, positive feelings about themselves and others and leave a positive impact on others. The present study was to ...

Background: Individual and professional features have a positive impact on success, performance improvement, and other behavioral variables in all organizations. Social health is an important components for the employees of every organization. This research was carried out to investigate the effect of individual and professional factors on the social health of faculty members of Islamic Azad un...

following the failure of economic development and growth policies and dissatisfactions resulting from applying these policies, related discussions to life satisfaction was proposed among various experts. in their opinion, different factors can be effectual on life satisfaction. one of the most important factors is social welfare. this study is a social survey and it has used questionnaire for c...

Vaccination is a primary means used to control infectious diseases. Various epidemic models have been developed to find efficient vaccination strategies. However, few models and vaccination strategies have explicitly taken individual mobility into consideration. New models and vaccination strategies are needed for today’s highly mobile society. This paper presents an individual-based epidemic m...