Abstract
Characteristics of personality in addicts to drugs (personality and heroin abuse). In this article there's a study of the possible differences that exist between a group of addicts to heroin and a group of subjects without any problems of addiction to drugs, after supplying both groups with the questionnarie 16PF of Catell. The results show scarce differences between both groups in which the punctuations of the primary factors of the 16PF. The final conclusion is the difficulty in establishing the characteristics of personality that define the addicts to heroin.