background:leisure time activity is an important life-style habit. this study aims to determine the screen time ofa nationally representative sample of iranian children and adolescents. methods:this nationwide cross-sectional study was conducted as part ofthe fourth survey of a surveillance system. the participants consisted of 14880 students, with aged range from 6 to 18 years, living in 30 pr...

Statistics show that in many countries of the world holidays are associated with an increase morbidity and mortality; this is especially pronounced during New Year Christmas period. This article presents estimate excess number deaths Russia January 2011–2019 by main classes causes death age groups. The study relies on Rosstat dataset 16.83 million individual non-personalized records referring t...

this paper describes a small empirical study aimed at attempting to give an answer to the question: “will virtual reality provide a substitute for the tourism product”? It identifies that the development of VR (virtual reality) [1] has enormous potential both for the companies that operate in the tourism sector and for the consumers of their services. It applied the methodology of hypothesis te...

Background: Contrary to the myth that suicides increase around Christmas, multiple studies reveal that suicide rates decrease towards Christmas and return back to normal or even peak in the beginning of the new year. We aimed to replicate this effect for Austria. Methods: The analyses were based on the official suicide statistics 2000 – 2013 using Poission regression and Bayesian changepoint an...

In this study children received instruction in Repeated Reading of text in a Whole Class situation. Previous Research Projects have shown the benefits of individualized instruction and explicit teaching to individuals or small groups which have resulted in improvements in a child’s reading ability. This study investigated the impact on children’s reading ability when taught in a whole class sit...

School children are core groups in the transmission of many common infectious diseases, and are likely to play a key role in the spatial dispersal of disease across multiple scales. However, there is currently little detailed information about the spatial movements of this epidemiologically important age group. To address this knowledge gap, we collaborated with eight secondary schools to condu...

BACKGROUND Research published in Circulation has shown that cardiac mortality is highest during December and January. We investigated whether some of this spike could be ascribed to the Christmas/New Year's holidays rather than to climatic factors. METHODS AND RESULTS We fitted a locally weighted polynomial regression line to daily mortality to estimate the number of deaths expected during th...

BACKGROUND We examined the associations of alcohol consumption and liver holidays with all-cause mortality and with mortality due to cancer, heart disease, cerebrovascular disease, respiratory disease, and injury using a large-scale prospective study in Japan. METHODS We followed 102,849 Japanese who were aged between 40 and 69 years at baseline for 18.2 years on average, during which 15,203 ...