This paper aims to present the effectiveness of the Alcoholics Anonymous program in controlling alcohol dependence. The observation method was used at weekly meetings in Copenhagen, within the Alcoholics Anonymous, over three months, of a consortium of 24 members from all over the world. Considering the number of years of consumption, seven people have consistently consumed alcohol for over ten years, seven people have between 5 and 10 years of consumption, and seven under five. Of those who have been drinking alcohol for over ten years, 3/7 have not consumed more than five years, 2/7 over one year, and one over six months. Of those who consume alcohol between 5-10 years, 3/7 have not consumed one year, 3/7 over six months, and 1/7 more than a month. Of those who consumed less than five years, 1/7 did not consume more than a year, 2/7 for six months, and 4/7 continued to consume alcohol with variable breaks. It is observable that "old" alcohol-dependent persons who had been using the program for a long time were those who had the lowest rate of relapse. The Alcoholics Anonymous program's efficiency is mainly due to its structure and due to the emotional link between the participants. One observes its effectiveness by taking into account each person, their past, the set of ideas and personalities, the symbolism used by each etc. The best evolution, of all those observed, was in people who underwent psychiatric treatment and followed the program at the same time. [ABSTRACT FROM AUTHOR]