There has been a significant increase in the prevalence of certain chronic disorders among children and adolescents. For example, health experts warn of an epidemic of diabetes mellitus due to an increase in the sedentary life style and poor nutrition of children. There are many questions still to be addressed in the study of chronic disorders among children and adolescents.What are the risk factors associated with chronic diseases in these populations?What are the major complications that contribute to disability and increased health care utilization and costs? What impact do chronic...