MADRID 5/16/2006 It is estimated that between 10 and 15 percent of regular cocaine users develop dependence; Therefore, in Spain there must be between 40,000 addicts who are between 15 and 64 years old. The profile of dependent consumption varies and can range between one and four times a week, an intermittency that, unlike the heroin addict, who consumes it daily, complicates awareness of this addiction and makes its treatment difficult, as highlighted in the guide. 'Cocaine addiction: clinical neurobiology, diagnosis and treatment'. PHOTO: Juan Piedra ARCHDC.