Although the catabolism is mainly mediated by the effects of certain cytokines, such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) [4,8], the mechanisms associated with cancer related anorexia are still not elucidated completely [9]. The gene discussed is IL6; the disease is Anorexia.