 They formed a large proportion of the most violent, hostile, noisy, excited, destructive or obscene cases in the hospital; the type who distress their relatives, upset the other patients and consume the time and energy which could be put to so much better purpose by the staff".Two died of cerebral haemorrhage, two were discharged (of whom one relapsed); of those remaining in hospital two-thirds had shown at least some improvement, needing less staff time and supervision.St Lawrence's Hospital, Caterham, Surrey