IL6 and Other metabolic disease: The anti-inflammatory effects (IL-6) [39], the enhancement of insulin sensitivity (Mtrnl) [140] or the browning of adipose tissue (Irisin, Mtrnl) [107,140] with subsequent optimizing of the status of metabolic diseases, and many other positive effects, as highlighted in this review, underline the importance of giving resistance training the status of a medical treatment for certain diseases [181].