Insulin resistance is a common complication of childhood obesity. It is considered to be an important link between adiposity and the risk factor of type 2 diabetes in children. The lifestyle modifications, including a healthy diet, physical activity and weight reduction in obese children and adolescents have been proven effective in type 2 diabetes prevention and management. Although increasing evidence suggests that Mediterranean diet could be associated with decreased risk of metabolic syndrome, diabetes, obesity and atherosclerosis in adults. The importance of this study is to find the effect of Mediterranean diet on insulin resistance among obese children and adolescents aged 10-16 years. Additionally, the results of the present study will help health professionals particularly dietitians in directing children with insulin resistance towards adopting healthy diet and lifestyle.
Inclusion Criteria: * Age range between 10-16 years. * Obese children and adolescents, BMI for age and sex is greater than the +2rd z-score, according to WHO growth chart. * Children and adolescents diagnosed with insulin resistance and presence of acanthosis nigricans. * Not on medication. Exclusion Criteria: * Age younger than 10 years or older than 16 years. * Overweight children and adolescents or obese (BMI for age and sex is less than +2rd z-score, according to WHO growth chart. * Children and adolescents didn't diagnosis of insulin resistance * On any medication.