Facts & Risks
Psychosis is a mental health condition that occurs when an individual begins to lose touch with reality and experience hallucinations and delusions.
Today’s high potency marijuana can trigger psychotic symptoms. This is referred to as “marijuana induced psychosis.” According to the National Academies of Sciences, Engineering and Medicine (NASEM) people who use large amounts of marijuana frequently are more likely to trigger psychotic symptoms.
If someone has an underlying or diagnosed mental health disorder and a co-occurring marijuana use disorder, they risk worsening the symptoms of the disorder. NASEM warns against the dangers of marijuana use, especially in adolescence. Evidence shows that “first episode psychosis” can be triggered by heavy marijuana use, prolonged length of exposure and early age of onset. Find out more information on “first episode psychosis” here.
Symptoms of mental illness, particularly schizophrenia, can be worsened with heavy and prolonged marijuana use. Individuals who have a predisposition for schizophrenia who use marijuana are 7 times more likely to have an onset of the mental illness.
Help is available
Steward Health Choice has funding for treatment of first episode psychosis. For more information on treatment options call 1-877-756-4090.
Scientific Studies and Facts
More and more scientific studies are being conducted to show the true risks and harms of marijuana and the risk for psychosis. Below are multiple studies, articles and individual stories that verify these risks.
Marijuana-Induced Psychosis and More
- National Library of Medicine: What Is the Prevalence and Risk of Cannabis Use Disorders Among People Who Use Cannabis? A Systematic Review and Meta-Analysis
- National Library of Medicine: Maternal Persistent Marijuana Use and Cigarette Smoking Are Independently Associated With Shorter Gestational Age
- National Library of Medicine: THC and CBD Blood and Brain Concentrations Following Daily Administration to Adolescent Primates
- MedicalXpress.com: Researchers identify more than 100 toxic chemicals in cannabis smoke
- National Library of Medicine: Haemoptysis (coughing up blood) Following Shallow Breath-Hold Diving in a Cannabis User
- National Library of Medicine: Cannabis Use and Its Association With Psychological Disorders
- National Library of Medicine: Measuring Individual Benefits of Psychiatric Treatment Using Longitudinal Binary Outcomes: Application to Antipsychotic Benefits in Non-Cannabis and Cannabis Users
- JAMA Psychiatry: Association of High-Potency Cannabis Use With Mental Health and Substance Use in Adolescence
- The American Journal of Psychiatry: Association Between the Use of Cannabis and Physical Violence in Youths: A Meta-Analytical Investigation
- Wiley Online: Acute effects of cannabinoids on symptoms of obsessive‐compulsive disorder: A human laboratory study
- The Lancet Psychiatry: Psychiatric symptoms caused by cannabis constituents: a systematic review and meta-analysis
- Journal of Abnormal Child Psychology: Associations between Recent and Cumulative Cannabis Use and Internalizing Problems in Boys from Adolescence to Young Adulthood
- Smart Approaches to Marijuana: Two New Studies Add to Body of Evidence of Marijuana Commercialization’s Harms
- Smart Approaches to Marijuana: New Study Finds Majority of “Medical” Marijuana Too Potent to Be Useful for Pain
- Science Direct: Recreational cannabis use impairs driving performance in the absence of acute intoxication
- Psychology of Addictive Behaviors: Consequences of alcohol and marijuana use among college students: Prevalence rates and attributions to substance-specific versus simultaneous use
- Oxford Academic – Pain Medicine: Clinical Profiles of Concurrent Cannabis Use in Chronic Pain
- Medical News Today: Rats develop cannabis-seeking behavior
- WebMD: Frequent Male Pot Use Linked to Early Miscarriages
- Psychiatric Times: An Overview of Cannabis Use in Pregnancy
- Rocky Mountain High Intensity Drug Trafficking Area: The Legalization of Marijuana in Colorado: The Impact
- SAMHSA: Know the Risks of Marijuana
- Journal of Addiction Medicine: Opioid and Cannabis Co-Use among Adults with Chronic Pain
- Child Mind Institute: Marijuana and Psychosis
- National Academies of Sciences: The Health Effects of Cannabis and Cannabinoids
- Surgeon General’s Report Highlights Dangers of Marijuana Use
- View archived articles
- The Marijuana Report: A landmark study updates the risk of marijuana users having a cannabis use disorder
- The Sun: No study needed: Stoned drivers pose deadly threat
- Smart Approaches to Marijuana: New Report: California Regulations Fail to Protect Youth From Marijuana Industry
- AP News: Recreational pot laws may boost traffic deaths, studies say
- CNN: Today’s high potency weed raises risk of anxiety and addiction, study says
- USA Today: As marijuana-induced psychosis rises, parents say treatment for young people hard to find
- USA Today: The true cost of cannabis: Why don’t its illnesses, deaths command media headlines?
- USA Today: Is marijuana linked to psychosis, schizophrenia? It’s contentious, but doctors, feds say yes
- Psychiatric News ALERT: Cannabinoids for Psychiatric Disorders? Evidence of Effectiveness is Lacking, Report Concludes
- CNN.com: Using weed regularly raises the risk of heart problems for young people, studies find
- Healthline: After Legalization, Marijuana Addiction Is on the Rise
- unherd.com: I have seen the damage cannabis does
- NBC News: Marijuana worse for teen brains than alcohol, study finds
- The Star (Canada): Cannabis use by young people may be tied to depression and anxiety, CAMH study finds
- The New York Times: What Advocates of Legalizing Pot Don’t Want You to Know
- The Arizona Republic: Telling teenagers to “just say no” isn’t enough
- View archived articles