background: there are few epidemiological reports on adherence to physical activity (pa) and screen-time (st) recommendations among iranian children and adolescents at the provincial level. we used nationally representative data to provide recent prevalence estimates of iranian children who met the recommendations for pa and st.   methods: this nationwide study was conducted among 14,880 studen...

A major constraint to the application of any form of knowledge and principles is the awareness, understanding and acceptance of the knowledge and principles. Systems Thinking (ST) is a way of understanding and thinking about the nature of  health systems and how to make and implement decisions within health systems to maximize desired and minimize undesired effects. A major constraint to applyi...

Background: This research aimed to assess the effect of kombucha tea on reducing cholesterol (HCH) uptake and ameliorating biochemical and physiological side effects of high cholesterol diets.  Objectives: The aim of this research was evaluate the effectiveness of Kombucha tea in reducing cholesterol uptake as well as pathological and immunological side effects  from high cholesterol diets in ...

Background: Screen time (ST), including watching television and playing electronic games are the leading cause of a growing obesity epidemic. This study aimed to evaluate ST and its association with physical activity, overweight and socioeconomic status (SES) in children 10 to 12 years of age in Sanandaj.   Methods: This study was designed as a cross-sectional study, which was conducted...

Background. Hormone disorders, stress-oxidative and inflammation in ovarian tissue cause no- ovulation in women with polycyclic ovarian syndrome (PCOS). Several studies have shown the role of exercises in control of sex hormones. Objectives. The aim of this study was to investigate the effect of 6 weeks of swimming training (ST) on serum levels of sex hormones, antioxidant enzymes and oxidativ...

the current research was planned to investigate the effect of maleic anhydride (man) and glycidyl methacrylate (gma) treatments on morphological and physical properties of the hornbeam wood-styrene composite. test samples were divided according to astm d4446-05 to control and treated with man, st, man/st and man /st/gma. treatment was performed by vacuum- pressure method using a experimental cy...