The BEACH study (Bettering the Evaluation and Care of Health) conducted by the Australian General Practice Statistics and Classification Centre suggested that "cannabis smokers are more likely to suffer depression, anxiety and psychosis."

Benson's psychiatrist, Janet Ross, is concerned that once the operation is complete, Benson will suffer further psychosis as a result of his person merging with that of a computer, something he has come to distrust and disdain.

Sun Chen quickly captured Quan Shang and killed Liu, and then surrounded the palace and forced the other officials to agree to depose Sun Liang-falsely declaring to the people that Sun Liang had suffered psychosis.

Trantor also illustrates the mentality of human beings that was first encountered in Asimov's The Caves of Steel, wherein human technology will ultimately result in a complete encapsulation of a population, and that population will eventually suffer psychosis associated with that total encapsulation.

Over 70 per cent of both groups were considered psychotic, with rather more men schizophrenic and rather more women suffering affective psychosis.

Head shops received a lot of media attention in 2010, with one doctor describing on the television programme, Prime Time, patients of his who suffered hallucinations, anxiety and psychosis after experiencing "legal highs" party powders from head shop substances.

The hospital director says a committee of 17 experts has declared that Mr. Cao suffers "paranoid psychosis."