The process of ageing decreases contents of Human Growth Hormone. When a person reaches his middle age and thereafter only a very small part of Human Growth Hormone remains in the body, as compared to the young age, and researchers have found out, that losses of Human Growth Hormone directly influence such characteristics of getting old as overweight, absence of interest in sexual relationships, flabby skin and muscles, wrinkles and bad complexion, memory losses.

The hormone of growth is a valuable one, because it controls intellectual, sexual and physical growth of the human body. Human growth hormone is responsible for different functions, starting from enzyme production to cells replacement, and it also turns fat cells into muscle mass. The absence of this hormone causes failure of the most important body functions and even its death. Growth hormones are also called somatotropin, and they directly influence physical and mental development of each human being, teenagers first of all. Adolescence is the best period to observe and experience the surprising effects of this hormone.