Some of the main complications associated with obesity in children and adolescents include an increased risk of chronic diseases such as type 2 diabetes, atherosclerosis and other cardiovascular diseases [2]; a higher likelihood of obesity persisting into adulthood [3,4]; elevated mortality and premature death risk [5]; and abnormalities in hormone levels, including serum adiponectin [6]. The gene discussed is ADIPOQ; the disease is obesity due to melanocortin 4 receptor deficiency.