""Jean Bergeret dares to affirm that drug addiction does not exist, that it is the fabrication of a myth that is dangerous for oneself and for others; through clear and concrete examples, in a lively and admirably simple language, he explains to us that what is important is not the symptom but the causes that have generated the appearance of the symptom: social and economic causes of course, but above all causes that are located in the individuality of each subject"" Doctor Claude Olivenstein Psychiatrist, psychoanalyst, professor at the University of Lyon-2, Jean Bergeret is a specialist in problems related to drug addiction.