background : adolescence is a critical developmental stage marked by complex transitions. the purpose of study was to assess school adolescents’ pwb, examine the relationship of pa and socio-demographic factors with pwb. methods : a cross sectional study conducted in five randomly selected schools with 345 adolescents (aged 12-18) from grade 6th-10th. a self-administered well-being index was ad...

background: cardiovascular disease is a major cause of death throughout the world. the aim of this study was to as­sess the prevalence of overweight/obesity, central obesity, hypertension and dyslipidemia, as well as dietary factors contribut­ing to the development of dyslipidemia among middle-aged women. methods: the research design of the present study was a population-based cross-sectional s...

introduction: mental health is an important matter in human life and very effective in personal and social life. the aim of this research is studying the effective factors on mental health in employees working environment. methods: this research is a descriptive-cross sectional study and the sample includes 749 individuals of official staff selected via two-step cluster sampling. the samples we...

background: the prevalence of colorectal cancer (crc) is rapidly increasing in iran. it holds the most prevalent cancer after skin, breast, and gastric cancers among the iranian population. the current study was designed to investigate the effects of leisure time, occupational and household physical activity as well as exercise on the risk of crc in the iranian population. methods: in this popu...

background : lifestyle is recognized as a key factor as the cause and management of the metabolic syndrome. the aim of this study was to identify individuals at increased cardiovascular diseases risk and determine main features of lifestyle of participants with metabolic syndrome via internet. methods : the study was conducted from jun 22 to august 22, 2012 in tehran, iran. recruitment was carr...

introduction:diabetes is a significant and expensive health problem which had influenced all the ages in almost all the countries. increasing prevalence of this disease has been caused by continued changes in lifestyle such as unsuitable nutrition, lack of physical activities and fatness which is often related to modern city life, mechanization and industrialization. it is an expensive disease,...

abstract background: self-regulation is one of the current psychological concepts that have been known as a determinant of leisure time physical activity. due to cultural and social diversity in different societies and age groups, application of specific questionnaires is essential to perform investigations about physical activities. the aim of this study is development and evaluation of psycho...

purpose this study was conducted to investigate risk factors of obesity and its associated health problems in adolescence in taiwan. methods we enrolled 559 adolescent volunteers with equal numbers of females and males in 2008. participants were divided into two groups: obese (body mass index [bmi] ≧95th percentile) and normal-weight adolescents (bmi: 15th ∼ 85th percentile). each of them compl...

abstract: background: diabetes is a major problem for health systems and physical activity is one of the most important modifiable and life style factors to management of diabetes. this study aimed to determine the status of physical activity (pa) in patients with type 2 diabetes based on trans theoretical model (ttm). methods: this study was conducted on 393 diabetic patient’s type 2 diabetes ...

background: physical symptoms are often associated with poor quality of life (qol) in patients with heart failure (hf). progressive impairment in the ability ofperforming routine physical activities of daily lifeand decrease inexercise tolerance is thought to lead to the worsening of physical symptoms. exercise and physical activity can improve functional capacity, and improve the symptoms asso...