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 purpose: family is the first and the most important structure in human civilization in which social lifestyles, mutual understanding, and compatibility is learned. studies have shown that parenting style, is one the most important and fundamental factors in personality development. the purpose of this study was comparison of parenting style in single child and multiple children f...

Using a large sample of establishments drawn from the Multi-City Study Urban Inequality (MCSUI) employer survey, we study gender differences in promotion rates and wage gains attached to promotions. Several unique features our data distinguish analysis previous literature on this topic. First, have information increases promotions, relatively few studies considered promotions together. Second, ...

background: suicide is one of the most important health problems in communities and knowledge of rates and epidemiology of it in any region could help in control and preventing programs .longitudinal registration of annual death data has been employed in this study. methods: in an analytical and cross sectional study pre conducted forms of suicide was engaged to register data , crude and specif...

OBJECTIVE To examine past-year dental visits among underserved, Hispanic farm-worker families using the Andersen Behavioral Model of Health Services Utilization, which posits that predisposing, enabling, and need factors influence care-seeking behavior. METHODS Oral health survey and clinical data were collected in 2006-2007 from families in Mendota, California (Fresno County) as part of a la...

The RET proto-oncogene encodes a transmembrane receptor with tyrosine kinase activity. Germline mutations in RET are responsible for a number of inherited diseases. These include the dominantly inherited cancer syndromes multiple endocrine neoplasia types 2A and 2B (MEN 2A and MEN 2B) and familial medullary thyroid carcinoma (FMTC), as well as some cases of familial Hirschsprung disease (HSCR1)...

statement of the problem: most of the soft tissue calcifications within the head and neck region might not be accompanied by clinical symptoms but may indicate some pathological conditions. purpose: the aim of this research was to determine the prevalence of soft tissue calcifications in cone beam computed tomography (cbct) images of mandibular region. materials and method: in this cross sectio...

background: varicocele is associated with the failure of ipsilateral testicular growth and development, and the symptoms of pain and reduced fertility. the highly condensed structure of the sperm nuclear chromatin is provided by proper expression of transition nuclear protein (tnp) genes, so any dysregulational expression of these genes results in abnormal spermatogenesis and infertility. objec...

We examine whether CEO power can explain the vast amount defined benefit pensions received by them. Analyzing a sample of UK firms from 2003 to 2006, we find that pensions constitutes of almost 15% of the average CEO compensation. Statistical analysis shows that the variables representing increased CEO power have a positive influence on pension pay. We also find that the presence of defined ben...

1 An employee injured at work in the UK is able to claim not only no-fault social security benefit from the state under the industrial injuries compensation scheme, but also damages from the employer if liability in tort can be established. Use of one system of compensation does not lead to exclusion from the other; there is no ‘employer privilege’ preventing an employee claiming from both work...