Abstract
Self-injury represents the behavior whose consequence is the damage of body integrity without conscious and goal-directed intention to die. It seems that in contemporary adolescents the occurrence of this type of behavior increases, self-injury represents the way of regulation of inner tension and becomes besides the food intake disorders and misusing the addictive substances the important problem of adolescence.
The authors define namely the basic characteristics of self-injury and the possibility of therapeutic affecting. The problem is illustrated by the casuistic note.