“The respectable London druggists, in widely remote quarters of London, from whom I happened lately to be purchasing small quantities of opium, assured me, that the number of amateur opium-eaters (as I may term them) was, at this time, immense; and that the difficulty of distinguishing these persons, to whom habit had rendered opium necessary, from such as were purchasing it with a view to suicide, occasioned them daily trouble and disputes.” Drug AddictionLondon 1800sOpium Dens London Book:Confessions of an English Opium Eater Source: Confessions of an English Opium Eater