Exclusive: Wastewater analysis in England suggests people took roughly 2.5bn lines of drug in one yearAgeing users and record deaths – the data behind Britain’s £9.8bn-a-year cocaine habitPubs, festivals and workplaces: how cocaine has become an everyday habitBritish police are recording a growing number of crimes linked to cocaine, including assaults, domestic abuse and dangerous driving, as figures show consumption has surged across England.