Studies have found associations with cachexia and polymorphisms in IL-1-β (Jatoi et al, 2007; Zhang et al, 2007), IL-10 (Deans et al, 2009), IL-6 (Zhang et al, 2008) and IL-8 (Bo et al, 2010) genes. This evidence concerns the gene CXCL8 and Cachexia.