Childhood obesity is a national epidemic. Being overweight or obese during childhood is known to have substantial effects on physical and psychological health. The tool for the development of obesity is not fully recognized and is believed to be a condition with different causes. Ecological factors, lifestyle preferences, and cultural upbringing play a vital role in the growing pervasiveness of obesity globally. In general, overweight and obesity are expected to be the product of increased calorie and fat intake. On the other hand, there is evidence to show that disproportionate sugar intake from soft drinks, increased portion sizes and continued declines in physical activity have played a key role in rising obesity levels all over the world. (Dehghan, Akhtar-Danesh, & Merchant, 2005). Although the definition of obesity and overweight has changed over time, it can be defined as excess body fat (BF). There is no consensus on a cut-off value for excess fat, overweight or obesity in children and adolescents. The Centers for Disease Control and Prevention defined overweight as at or above the 95th percentile of BMI for age and "at risk of overweight" as between the 85th and 95th percentile of BMI for age. age (Dehghan et al., 2005). Almost all researchers agree that prevention could be the significant plan to monitor the current obesity epidemic. Until now, most methods have focused on altering people's diet and exercise behavior. It appears, however, that these approaches have had a modest impact on the growing obesity epidemic. While approximately 50% of adults are overweight and obese...... middle of paper ......ces.yahoo.com/childhood-obesity-caused-poverty-320094.htmlOgden, CL, Lamb, MM, Carroll , M.D., & Flegal, K.M., (2010). Obesity and socioeconomic status in children and adolescents: United States, 2005-2008. US Department of Health and Human Services. Retrieved from http://www.cdc.gov/nchs/data/databriefs/db51.pdfOgden, C.L., Carroll, M.D., Kit, B.K., & Flegal, K.M., (2012). Obesity prevalence and body mass index trends among U.S. children and adolescents, 1999–2010. Journal of the American Medical Association, 307(5):483-490. doi:10.1001/jama.2012.40Wang, Y., & Zhang, Q., (2006). Are American children and adolescents of low socioeconomic status at greater risk of obesity? Changes in the association between overweight and family income between 1971 and 2002. American Journal of Clinical Nutrition, 84:707–16.