The Minnesota Model was born in the United States for about 50 years in Minnesota, having been deploying in many countries with great success. Due to the high recovery rates that can reach, it may even be considered the most effective models for treating chemical dependency. It is based on the philosophy of the 12 Steps of Alcoholics / Narcotics Anonymous. Is a psychotherapeutic model of humanistic origin whose objective is total abstinence from the use of psychoactive substances capable of causing artificial fluctuations in individual mood states. The model teaches the addict and his family to change their attitudes and behaviors through a working method based on the principles of self-help groups, feelings of groups, rational-emotive therapy, transactional psychology, lectures, educational films and individual therapies. Through these techniques the individual acquires a conscience, where none exists, the implications of their disease, and consequently greater accountability of recovery. Through sharing learning with others with other group members to identify and deal constructively with their feelings and emotions and not destructively as it did in the time of consumption of psychoactive substances. This model also includes the treatment of eating disorders (OBESITY, ANOREXIA and bulimia) and the PLAY, as any physical dependence or may not be primarily a DISTURBANCE BEHAVIOR / EMOTIONAL.