background and aims: the prevalence of obesity among children and adolescents is increasing worldwide. one of the key lifestyle behaviors that helps prevent obesity and being overweight among children and adolescents is to avoid drinking sugar-sweetened beverages (ssbs) or to take, at most, one serving per day. the present study intended to evaluate knowledge and perceptions of high school girl...

“ba:y?d” as a persian lexeme is interwoven with modality, a semantic category and therefore has a complicated and thought- provoking semantic nature. this paper uses evidence from persian to investigate the usage of this lexeme and some of its semantic and pragmatic aspects in this language. the results indicate that this lexical category can convey a wide range of modal meanings in different c...

objectives: to determine the behavioral pattern of golestan university of medical science (gums) students as pedestrian and car occupants in relation to traffic law based on health belief model. methods: this cross-sectional study was performed during 2012 in gums. a total of 370 students of gums were selected using multi-stage sampling method including stratified and random sampling. data were...

results the overall perceived stress mean was 32.02 (sd = 5.08). eighty-three percent of the medical students perceived stress. students in clinical phase perceived more stress than basic sciences ones [or 2.25, 95% ci 1.809 - 4.032]. logistic regression analysis showed demographic (including gender and residential status), psychosocial and academic factors and the phase of study as sources of ...