CRP and obesity due to melanocortin 4 receptor deficiency: Negative consequences of nutritional habits associated with a Western-style diet may lead to inflammation and production of free radicals (134) through the secretion of numerous pro-inflammatory molecules such as interleukin (IL)- 6, IL-1b, IL-8, and C-reactive protein (CRP), leading to the development of autoimmune disorders either directly, due to inflammation or disturbed immune balance, or indirectly due to increased fat depositions and the development of obesity.