Dear Editor, Multiple sclerosis (MS) is a chronic demyelinating disease of the central nervous system and usually affects young women. It is the second most common cause of neurological disability in young adults after trauma. 1,2 Previously, Iran was considered a low prevalence area, but recent investigations have shown that the prevalence of MS in Iran has increased significantly. 3 This incr...

there are many reports of serious problems of dust storm events in the western parts of iran. based on many researches, iraq is one of the main sources of dust storms in western parts of iran. the radial basis function network (rbfn) model has been used to assess wind erosion hazard in iraq as a main source area of dust storms over several western cities of iran. the percentage of vegetation is...

Every year, a large number of aerosols are released from dust storms into the atmosphere, which may have potential impacts on the climate, environment, and air quality. Detecting dust aerosols and monitoring their movements and evolutions in a timely manner is a very significant task. Satellite remote sensing has been demonstrated as an effective means for observing dust aerosols. In this paper...

Teachers are the most important players of every educational system in different societies; accordingly, understanding their personal reflections may help us gain valuable insights into what it means to be a teacher in a specific cultural and social context. The purpose of this case study was to investigate the life and career of 6 non-native English speaking teachers in state educational syste...

The probable maximum precipitation (PMP) is the greatest depth of precipitation for a given duration that is physically possible over a given size storm area at a particular geographical location at a certain time of the year. In this study a physically based method was compared with a statistical procedure to calculate PMP in the southwest arid regions of Iran. In order to estimate PMP using a...

Tehran University of Medical Sciences (TUMS) is the oldest medical institute higher education in Iran and largest university sciences country. Presently about 12,000 students (8 percent international) are studying different fields at this university. The Schools Medicine, Dentistry, Pharmacy, Rehabilitation, Allied Sciences, Public Health, Nursing Midwifery together with 1800 faculty members Sc...

Background: Every year, eating, exercise, work, and travel patterns change during the holidays and these behavioral changes at a larger scale may cause death due to cardiovascular disease (CVD). Considering the importance of CVD, the present study was conducted for the first time in Iran to determine the differences in the ratio of deaths due to CVD on holidays and working days. Materials an...