'I took it: - and in an hour, oh! Heavens! what a revulsion! what an upheaving, from its lowest depths, of the inner spirit! what an apocalypse of the world within me!'Thomas De Quincey's Confessions of an English Opium-Eater (1821) launched a fascination with drug use and abuse that has continued from his day to ours. In the Confessions De Quincey invents recreational drug taking, but he also d...