Recent years have seen a sweeping change in Britain's drug culture. Out go the 'old' illegal drugs - cocaine, heroin, speed - swept aside by a younger generation who can get their hits not o... Read allRecent years have seen a sweeping change in Britain's drug culture. Out go the 'old' illegal drugs - cocaine, heroin, speed - swept aside by a younger generation who can get their hits not only more cheaply - but also legally.Recent years have seen a sweeping change in Britain's drug culture. Out go the 'old' illegal drugs - cocaine, heroin, speed - swept aside by a younger generation who can get their hits not only more cheaply - but also legally.