More and more young people are being tempted to experiment with heroin. Some become firm addicts - and for them the consequences are severe. But how can they be helped, and what kind of experience are they likely to go through?
Frances Donnelly talks to former addicts and to people who work in treatment centres about the process of breaking the habit, where the real problem is not so much to cleanse the body as to commit the mind. As one man puts it: 'I liked being not myself.'
Producer GORDON HUTCHINGS (R)