background and aims: obesity is one of the most important problems of modern society, and body mass index (bmi) is a tool to indicate overweight and obesity in adults. obesity is directly associated with many non-communicable diseases. so for this reason, it was designed a study to assess overweight and obesity in kooy dormitory students of tehran university of medical sciences in 2015. methods...

IMPORTANCE Soccer, originally introduced as a safer sport for children and adolescents, has seen a rapid increase in popularity in the United States over the past 3 decades. Recently, concerns have been raised regarding the safety of soccer ball heading (when an athlete attempts to play the ball in the air with his or her head) given the rise in concussion rates, with some calling for a ban on ...

BACKGROUND: It is reported that prevalence of overweight and obesity have increased in all age groups, but little is known about prevalence of overweight and obesity in preschool children. Therefore, the purpose of this study was to survey the prevalence of underweight, overweight and obesity in 3-6 year-old Tehranian children in 2009-2010. METHODS: This cross-sectional study was performed on a...

conclusions the prevalence of overweight and obesity in children under 5 years is high. overweight and obesity should be considered an epidemic and serious health problem in tehran. they certainly require more attention and intervention. results the prevalence of overweight and obesity in children were 12% and 23.7% respectively. the prevalence of overweight was significantly higher in girls th...

OBJECTIVE To identify shared risk and protective factors for purging, binge eating, and overweight. DESIGN Prospective cohort study. SETTING Population-based questionnaires of children and adolescents residing across the United States. PARTICIPANTS Girls (n = 6022) and boys (n = 4518), aged 11 to 17 years in 1998, in the ongoing Growing Up Today Study. MAIN EXPOSURES Putative risk and p...

BACKGROUND The preschool years are a crucial time to study the determinants of childhood obesity, as it is when eating and physical activity habits are becoming established. The purpose of this study was to compare the prevalence of overweight and obesity among preschoolers living in the capital of Iran and to determine relationships between overweight and obesity and selected motor- and health...

Childhood overweight/obesity is growing steeply, globally. It is usually regarded as a risk factor for severe obesity over life-time course. Here, we investigated temporal course of overweight/obesity development in Japanese school children. A six-year longitudinal study was performed on 16,245 Japanese primary school children (8,427 boys and 7,818 girls) comprising three cohorts of 1(st) appro...