Hallucinogenic drugs as precipitants of schizophrenia'

William R. Breakey, Helen Goodell, Patrick C. Lorenz, Paul R. Mchugh

Research output: Contribution to journalArticlepeer-review

105 Scopus citations


The authors have examined the drug-taking histories of 46 schizophrenics and 46 matched controls. They have found that the schizophrenics on average used a wider variety of drugs, in greater amounts. Schizophrenics who had used drugs experienced the onset of symptoms on average four years earlier than non-users and were also admitted to hospital four years earlier, on average. Those schizophrenics who had used drugs had had better premorbid personalities than the non drug-users. These results are indicative of some precipitating role of drug abuse in the onset of schizophrenia.

Original languageEnglish (US)
Pages (from-to)255-261
Number of pages7
JournalPsychological medicine
Issue number3
StatePublished - Aug 1974
Externally publishedYes

ASJC Scopus subject areas

  • Applied Psychology
  • Psychiatry and Mental health


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