More than a third of people who experienced psychosis with cannabis use later transitioned to schizophrenia, according to a systematic review and meta-analysis published online in Schizophrenia Bulletin. Similarly, schizophrenia transition risk among people who experienced psychosis from hallucinogen or amphetamine use was also considerable.
Transition to schizophrenia was highest (34%) for cannabis-induced psychoses
Overall 25% of people with substance-induced psychosis were later diagnosed with schizophrenia, compared with 36% of people who first presented with brief, atypical, and not otherwise specified psychoses. Among the 25 studies that looked at substance use-induced psychosis, transition to schizophrenia was highest (34%) for cannabis-induced psychoses.
People who experience psychosis following the use of cannabis, hallucinogens, or amphetamines (known as substance-induced psychosis) may be at a greater risk of developing schizophrenia, according to a meta-analysis in Schizophrenia Bulletin. This risk was found to be only slightly less than that observed for patients who presented with other brief psychotic disorders.
Ann Clark, who lost her son Brant to marijuana psychosis and suicide wrote a must read book if you wish to understand the mental health harms of today's cannabis.
Child Death Toll Rises to 302, Adult Use of Cannabis Puts Children at Risk
PopPot is tracking child deaths nationwide related to cannabis. Click on the crying child above to see their latest report.
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