introduction: it has been known for a long time in the french-speaking, but not the english-speaking literature that travel can exacerbate pre-existing psychosis. the purpose of this article was to review the literature on this subject and present recommendations for prevention. methods: for this narrative review of the literature on travel risks in individuals with pre-existing psychosis, appr...

The literature on international travellers with psychiatric disorders is limited. This perspective article highlights various travel-related aspects of autism spectrum disorder (ASD), including its aetiological association with maternal migration, the difficulties faced by long-term travelers with autistic children, and the facilitation of international travel for autistic individuals by the tr...

In this paper the factors having influence on travel demand to Iran are paper explored. The hypothesis of the research specifies the variable of “domestic upheavals and insecurity” as the most significant obstacle to expansion of the demand for travel to Iran. To test the above hypothesis, first several demand models that have been proposed to study demand for tourism in different countries, ar...

Nowadays air travel is one of the most popular traveling as its advantages. A disabled should commute easily, so Facilitation of air traveling is vital. A disabled needs various services which depends on travel steps. These needs should have supported by travel agencies and airport staffs. Therefore, planners must be considering not only physical environment but also well services. This paper i...

Introduction: Immigrants to the United States who return home to visit friends and relatives (VFRs) have high rates of travel-related infections. The data on VFR utilization of pre-travel health care is inadequate. The objective of this study was to describe the travel patterns and adherence to pre-travel recommendations of VFRs.Methods: This retrospectiv...

In many applications of the vehicle routing problem with time windows(VRPTW), the primary objective is defined as the minimization of the number of routes or vehicles. Minimization of the total travel cost is introduced as a secondary objective. Recently, it has been recognized that minimizing the number of routes and the travel cost concurrently often drives a search toward solutions with low ...

Introduction: Travel health practice and research in Egypt lag behind both needs and demands. This study was done in two parts to assess travel health knowledge, attitude, and practice (KAP) among Egyptian travelers. Methods: This survey was conducted at the departure halls of Cairo International Airport and included 1500 travelers to Africa (excluding No...

Traffic congestion is becoming a serious environmental threat that must be resolved quickly. Traditionally, travel information systems have been specific to a particular mode of transport. For instance, traffic information (road conditions broadcast) has been directed at drivers. Instead, travel information systems are now being developed which incorporate route guidance systems to divert drive...

Due to population growth in urban areas, especially in the capital cities in developing countries, the use of private vehicles are increasing, leading to many problems such as congestion, pollution, noise, long travel time, high travel cost and more side effects. In such circumstances government policy would encourage people to use public transportation. In the meantime, employing the Intellige...