The aims of the present study were to provide quantitative data on the impact of air pollution on the health of people living in Tehran city, the most populated city of Iran. The approach proposed by the World Health Organization (WHO) was applied using the AirQ 2.2.3 software developed by the WHO European Centre for Environment and Health, Bilthoven Division. Concentrations of ozone, nitrogen ...

It is widely believed that urban ecological landscape regards the city to be an ecosystem built by human activities and supported by natural and man-made functions and processes over time. In the past, human communities have selected their residing places and designed their cities by paying attention to natural environmental resources. The profound influence of technology and industry has broug...

Tehran, the capital city of Iran and a metropolis with a population of 8.2 million and containing 2.4 million households, generated 2,626,519 tons of solid waste in 2005. The present study is aimed at evaluating the generation, characteristics and management of solid waste in Tehran. Municipal solid waste comprises more than 97% of Tehran's solid waste, while three other types of solid waste co...

This paper describes the development of car drive cycle for simulation of vehicles exhaust gas emissions and fuel economy. In this research work, the development of light vehicle drive cycle for city of Tehran has been performed. First, the approach to develop a drive cycle has been described. The necessary measuring tools and software have then been provided, and the car speed has been recorde...

1Academic Department of Clinical Oncology, Institute of Infections, Immunity and Inflammation, University of Nottingham, City Hospital, Nottingham, NG5 1PB, United Kingdom 2Dept. of Histopathology, Addenbrooke's NHS Trust, Cambridge, United Kingdom 3Dep. of Histopathology, City Hospital, Nottingham, NG5 1PB, United Kingdom 4Dep. of Pathology, Iran University of Medical Sciences, Tehran, Iran *T...

Designing A Model of Educational Guidance for the First Period Secondary School Students (Tehran City Case Study)

BACKGROUND One of the main indexes of development is health index or the degree to which a society enjoys health and therapeutic services. The present study was done with the aim to analyze development levels in cities in Tehran regarding health infrastructural index using the standardized score and Morris' model. METHODS This is a descriptive and pragmatic study which ranks 14 cities in Tehr...

BACKGROUND One of the significant dangers that threaten people's lives is the increased risk of accidents. Annually, more than 1.3 million people die around the world as a result of accidents, and it has been estimated that approximately 300 deaths occur daily due to traffic accidents in the world with more than 50% of that number being people who were not even passengers in the cars. The aim o...