Abstract
Growth Hormone (GH) is a key anabolic hormone and its action on periferic tissues is related to several biologic functions such as somatic growth, metabolism and cellular processes (cellular division and regeneration). Growth Hormone-Releasing factor (GHRH) and growth hormone-inhibiting hormone (somatostatin), as well as free-fat acids, leptin, ghrelin and neuropeptide Y are important fac…