introduction: cigarette smoking is a major modifiable risk factor for cardiovascular disease and it has been identified as the single most important cause of cardiovascular accident related deaths in most countries. methods: 1573 people who lives in 17th zone of tehran (population research center of tehran university of medical sciences) were investigated by a cross- sectional study. a group of...

background and aims: depression is a growing public health problem in the world. in this study we investigated the relationship between dietary patterns and depression in adults aged 20-50 years living in shiraz, iran. methods: in a cross-sectional study, 416 subjects (180 men and 236 women) aged 20 to 50 years were selected by stratified multistage random sampling. dietary intakes were assesse...

patients and methods in this study, 250 high school students in shiraz were selected using random cluster sampling. the samples were analyzed using the food frequency questionnaire (ffq) and the general health questionnaire (ghq-28). results according to the findings, parental mental health explains 22% of the variance in children’s mental health, so that in simultaneous regression, physical di...

fish larvae have several sensory systems that are functional at or soon after hatching and then are developed further during larval and juvenile stages. this study was conducted to investigate development of the eye in rutilus kutum , based on histological and allometric growth analysis during early developmental stages up to 35 day post hatching with emphasis on retinal morphology. for this pu...

abstract agriculture activity is obvious type of unsafely and risky activities that this part had dealt with lack of trast about amount of production and price as unpleasant atmosphere phenomona, calamities, kind of plant diseases and change in prices. insurance is one of important cases for decreasing risk in agriculture. the main of this research is consideration crop insurance’s affect on op...

palmprint recognition is a new biometrics system based on physiological characteristics of the palmprint, which includes rich, stable, and unique features such as lines, points, and texture. texture is one of the most important features extracted from low resolution images. in this paper, a new local descriptor, local composition derivative pattern (lcdp) is proposed to extract smartly stronger...

statement of problem: tongue thrust and/or its consequent swallowing pattern are amongst the parafunctional habits that have always been considered as etiological factors for dental disorders by different investigators. purpose: the aim of this study was to investigate the prevalence of tongue thrusting and the incidence of periodontal disorders associated with this habit among patients referre...