Chapter 1 - Introduction1.1 – Introduction and context1.2 – Research objectives1.3 – Research objectivesChapter 2 – Methodology2.1 – Why a literature review?2.2 – Collection data2.3 – Data selectionChapter 3 – Results3.1 – Research aim3.2 – Research objective3.3 – Key trends in the dataChapter 4 – DiscussionChapter 5 – Conclusions and recommendationsChapter 1: Introduction1.1 Introduction and contextObesity is seen as the result of an imbalance between a person's energy intake and expenditure of that energy. This imbalance causes a person to store unused energy and therefore gain weight. Sullivan (2004) also defines obesity as excess body fat and states that the level of obesity can be calculated arithmetically using body mass index (BMI). A person would be defined as overweight if their BMI exceeds 25 on the scale, while those who fall into the 30 or higher category are classified as obese, however in this study the words "overweight" and "obese" will be used. interchangeably, although overweight involves less excess body fat than obesity. The importance of obesity continues to grow, the phenomenon is on the rise as more and more people are becoming overweight or obese. Caelers (2006) states that in the United States approximately 24% of adults are obese, as are almost 13% of children, which doubled between 1976 and 2000, and this figure continues to grow (AOA, 2002). Britain is not far behind, with around 18% of people classed as obese. This increase, particularly among children, explains why this study will focus on obesity. 1.2 Research objectives - To examine whether children's experiences of obesity can offer social workers insight into how t... ...002. Psychosocial factors. In Burniat, W., Cole, T., Lissau, I. and Poskitt, E. 2002. Childhood and adolescent obesity. Cambridge: Cambridge UniversityPress.Kruger, H.S., Puoane, T., Senekal, M. and Van der Merwe, M.T. 2005. Obesity in South Africa: challenges for government and health professionals. Public HealthNutrition: 8(5).Lafreniere, P.J. 2000. Emotional development: A biosocial perspective. Belmont:Wadsworth.Pretorius, JWM 1998. Sosiopedagogiek 2000. Goodwood: Nasionale Boekdrukkery.Saunders, P. 2003. [O]. Available: http://www.cbsnews.com/stories/2003/08/11/earlyshow/health/main567737.shtmlSchutz, Y. & Maffeis, C. 2002. Physical Activity. In Burniat, W., Cole, T., Lissau, I., &Poskitt, E. 2002. Childhood and adolescent obesity. UK: CambridgeUniversity Press.Sullivan, K. 2004. How to help your overweight child. London: Rodale.