Studies

On Marijuana-Induced Psychosis and Other Health Effects

Archived Studies

Chronic pain, cannabis legalisation, and cannabis use disorder among patients in the US Veterans Health Administration system, 2005 to 2019: a repeated, cross-sectional study​
The Lancet

Cannabis use disorder and adverse cardiovascular outcomes: A population-based retrospective cohort analysis of adults from Alberta, Canada​
Wiley

The impact of in utero cannabis exposure on fetal growth​
PUBMed

Cannabis-Involved Traffic Injury Emergency Department Visits After Cannabis Legalization and Commercialization
JAMA

Prevalence of Cannabis Use Disorder and Reasons for Use Among Adults in a US State Where Recreational Cannabis Use Is Legal
JAMA

NIH-funded study in macaques suggests cannabis use during pregnancy may alter offspring DNA expression​
NIH

Recommendations for Reducing the Risk of Cannabis Use-Related Adverse Psychosis Outcomes: A Public Mental Health-Oriented Evidence Review​
Taylor & Francis Group

Suicidality risk after using cannabis and cannabinoids: An umbrella review ​
Taylor & Francis Group

Association of mandatory warning signs for cannabis use during pregnancy with cannabis use beliefs and behaviors
IASIC

Cannabis Use Disorder and Perioperative Complications
JAMA

Testing the cannabis gateway hypothesis in a national sample of Spanish adolescents​
Science Direct

The impact of legal cannabis availability on cannabis use and health outcomes: A systematic review​
PubMed

Association between cannabis use disorder and schizophrenia stronger in young males than in females ​​| Cambridge

The association between reasons for first using cannabis, later pattern of use, and risk of first-episode psychosis: the EU-GEI case-control study​
PUBMED

Suspected Suicidal Cannabis Exposures Reported to US Poison Centers, 2009-2021
JAMA

Impact of Canada’s cannabis legalisation on youth emergency department visits for cannabis-related disorders and poisoning in Ontario and Alberta, 2015-2019
PubMed

Development of cannabis use disorder in medical cannabis users: A 9-month follow-up of a randomized clinical trial testing effects of medical cannabis card ownership​
PubMed

Marijuana laws and pedestrian fatalities in the United States ​
Science Direct

Impacts of medical and non-medical cannabis on the health of older adults: Findings from a scoping review of the literature
NIH

Is There a Dose-Response Relationship Between Cannabis Use and Violence? A Longitudinal Study in Individuals with Severe Mental Disorders ​
PubMed

Longitudinal associations between age 20 problematic substance use and opioid use disorder incidence at age 30 – findings from an urban cohort​
PubMed

Pediatric hospitalizations for unintentional cannabis poisonings and all-cause poisonings associated with edible cannabis product legalization and sales in canada
JAMA

US trends in the association of suicide ideation/behaviors with marijuana use among adolescents ages 12–17 and differences by gender and race/ethnicity
Frontiers

Risk of depressive disorders associated with medical cannabis authorization: A propensity score matched cohort study
Science Direct

The kids aren’t alright: The effects of medical marijuana market size on adolescents
Science Direct

Pediatric Edible Cannabis Exposures and Acute Toxicity: 2017–2021
AAP

Impact of Prenatal Cannabis Use Disorder on Perinatal Outcomes​
PubMed

Trends in intentional abuse and misuse ingestions in school-aged children and adolescents reported to US poison centers from 2000-2020​
Taylor & Francis

Placebo Response and Media Attention in Randomized Clinical Trials Assessing Cannabis-Based Therapies for Pain
JAMA

Cannabis use in pregnancy and maternal and infant outcomes: A Canadian cross-jurisdictional population-based cohort study​
PLOS ONE

Association of Recreational Cannabis Legalization With Alcohol Use Among Adults in the US, 2010 to 2019
JAMA

Chest CT Findings in Marijuana Smokers
RSNA

Geographic Accessibility of Retail Cannabis in Northern California and Prenatal Cannabis Use During the COVID-19 Pandemic
JAMA

Recreational cannabis legalization alters associations among cannabis use, perception of risk, and cannabis use disorder treatment for adolescents and young adults | Science Direct

Impacts of recreational cannabis legalization on cannabis use: a longitudinal discordant twin study |
PubMed

Marijuana and hallucinogen use among young adults reached all time-high in 2021
NIH

Long-Term Cannabis Use and Cognitive Reserves and Hippocampal Volume in Midlife
AJP

Cannabis use and risks of respiratory and all-cause morbidity and mortality: a population-based, data-linkage, cohort study
BMJ

Vaping Cannabinoid Acetates Leads to Ketene Formation
ChemRXiv

Marijuana use in children: An update focusing on pediatric tetrahydrocannabinol and cannabidiol use
PubMed

Marijuana-induced myocarditis in a 24-year-old man
PubMed

Cannabis smoking increases the risk of suicide ideation and suicide attempt in young individuals of 11–21 years: A systematic review and meta-analysis
Science Direct

Adolescent cannabis use and later development of schizophrenia: An updated systematic review of longitudinal studies
PubMed.gov

Cannabis Use and Parenting Practices among Young People: The Impact of Parenting Styles, Parental Cannabis-Specific Rules, and Parental Cannabis Use
PubMed.gov

Cannabis use and risks of respiratory and all-cause morbidity and mortality: a population-based, data-linkage, cohort study
BMJ

Cognitive Behavioral Therapy Program for Cannabis Use Cessation in First-Episode Psychosis Patients: A 1-Year Randomized Controlled Trial​ |
PubMed.gov

Association Between the Use of Cannabis and Physical Violence in Youths: A Meta-Analytical Investigation​
APA

Recreational cannabis legalization and transitions in cannabis use: findings from a nationally representative longitudinal cohort in the United States​
PUBMED

Do alcohol and cannabis substitute or complement each other? Analysis from behavioral economics for formulating public policy on substance use in Colombia​
PubMed

Pregnancy Outcomes Associated With Use of Tobacco and Marijuana
PubMed

Long-Term Cannabis Use and Cognitive Reserves and Hippocampal Volume in Midlife
PubMed

Deadly Car Accidents Involving Cannabis and Alcohol Have Doubled in 20 Years
American Journal of Public Health

Fine Particulate Matter Exposure From Secondhand Cannabis Bong Smoking
Jama

Varied Presentations of Pediatric Patients With Positive Cannabinoid Tests
CureUs

Effect of Medical Marijuana Card Ownership on Pain, Insomnia, and Affective Disorder Symptoms in Adults
JAMA

Cannabis Legalization and Detection of Tetrahydrocannabinol in Injured Drivers
NEJM

Unintentional Pediatric Cannabis Exposures After Legalization of Recreational Cannabis in Canada
JAMA

Marijuana Linked to Elevated Heart Attack Risk in Some Young Adults
AJN

Maternal cannabis use is associated with suppression of immune gene networks in placenta and increased anxiety phenotypes in offspring
PNAS

Cigarette dependence is more prevalent and increasing among US adolescents and adults who use cannabis, 2002-2019
PubMed

Trends in Cannabis Involvement and Risk of Alcohol Involvement in Motor Vehicle Crash Fatalities in the United States, 2000‒2018
AJPH

Michigan EDs See Jump in Cannabis-Related Neuropsychiatric Toxicity
MEDPAGETODAY

Prevalence of Adolescent Cannabis Vaping – A Systematic Review and Meta-analysis of US and Canadian Studies
JAMA

Recent cannabis use and myocardial infarction in young adults: a cross-sectional study
CMAJ

Use of electronic cigarettes as a predictor of cannabis experimentation: A longitudinal study among German youth​
pubmed.gov

Cannabis use may be associated with suicidality in young adults​
NIH

Weeding out the truth: a systematic review and meta-analysis on the transition from cannabis use to opioid use and opioid use disorders, abuse or dependence
SSA

Study shows joint effects of perceived risk and availability on cannabis use
News-Medical.Net

Development Over Time of the Population-Attributable Risk Fraction for Cannabis Use Disorder in Schizophrenia in Denmark
Jama Network

The “Colorado Experiment”: Legalized Marijuana’s Impact in Colorado
Hudson Institue

Associations of Suicidality Trends With Cannabis Use as a Function of Sex and Depression Status
JAMA Network

Progression of cannabis withdrawal symptoms in people using medical cannabis for chronic pain
Wiley Online Library

Health risks of vaping cannabis
Medical News Bulletin

Toxins in marijuana smoke may be harmful to health, study finds
CNN

Prevalence and modes of cannabis use among youth in Canada, England, and the US, 2017 to 2019
National Library of Medicine

Analysis of US Teen Driving After Using Marijuana, 2017
JAMA Network

SAFETY CONSIDERATIONS IN CANNABINOID-BASED MEDICINE
NATIONAL LIBRARY OF MEDICINE

MARIJUANA, BUT NOT ALCOHOL, USE FREQUENCY ASSOCIATED WITH GREATER LONELINESS, PSYCHOLOGICAL DISTRESS, AND LESS FLOURISHING AMONG YOUNG ADULTS
NATIONAL LIBRARY OF MEDICINE

ADOLESCENT THC EXPOSURE SELECTIVELY IMPAIRS WORKING MEMORY BUT NOT SEVERAL OTHER MPFC-MEDIATED BEHAVIORS
NATIONAL LIBRARY OF MEDICINE

HOSPITAL STAYS FOR HARM CAUSED BY SUBSTANCE USE AMONG YOUTH IN CANADA
LONGWOODS.COM

MARIJUANA USE DOMINATES POSITIVE DRUG TESTING RATES OF COMMERCIAL DRIVERS
SCHOOL TRANSPORTATION NEWS

Study of Siblings Finds Moderate Marijuana Use Impacts Cognitive Functioning
Science Daily

Marijuana use and repeated attempted suicide among senior high school students in Ghana: Evidence from the WHO Global School-Based Student Health Survey, 2012 | National Library of Medicine

Broad spectrum epidemiological contribution of cannabis and other substances to the teratological profile of Northern New South Wales: Geospatial and causal inference analysis | National LIbrary of Medicine

Vaping in today’s pandemic: E-cigarette, or vaping, product use-associated lung injury mimicking COVID-19 in teenagers presenting with respiratory distress
National Library of Medicine

Cannabis ads and store location influence youth marijuana use
Washington State University

Is the adolescent brain a greater vulnerability to the effects of cannabis? A narrative review of the evidence
National LIbrary of Medicine

The association between recreational cannabis commercialization and cannabis exposures reported to the US National Poison Data System
Wiley Online

Is cannabis being used as a substitute for non-medical opioids by adults with problem substance use in the US? A within-person analysis
Wiley Online

Cannabidiol and Abnormal Liver Chemistries in Healthy Adults: Results of a Phase 1 Clinical Trial
ASCPT

Adolescent drug use initiation and transition into other drugs: A retrospective longitudinal examination across race/ethnicity
National Library of Medicine

Gray matter changes in chronic heavy cannabis users: a voxel-level study using multivariate pattern analysis approach
National Library of Medicine

During and After Surgery Pot Users Need More Anesthesia Painkillers Study
Community Healthcare System

Burden of cannabis use and disorder in the U.S. veteran population: Psychiatric comorbidity, suicidality, and service utilization
National Library of Medicine

Assessing how the history of e-cigarette and cigarette use are associated with the developmental course of marijuana use in a sample of United States adolescents
National Library of Medicine

Number of THC-exposed newborns increases after recreational marijuana legalized
Healio.com

Associations Between Prenatal Cannabis Exposure and Childhood Outcomes
JAMA Psychiatry

The association between legalization of cannabis use and traffic deaths in Uruguay
Society for the Study of Addiction

Dramatic increases in vaping marijuana, nicotine among US college students, young adults
University of Michigan|Michigan News

Associations of Maternal Prenatal Drug Abuse With Measures of Newborn Brain Structure, Tissue Organization, and Metabolite Concentrations
National Library of Medicine

Cannabis use and the onset of cigarette and e-cigarette use: A prospective, longitudinal study among youth in the United States
National Library of Medicine

Characteristics of Marijuana Use During Pregnancy — Eight States, Pregnancy Risk Assessment Monitoring System, 2017
CDC

Cannabis use in pregnancy linked to a greater risk of autism
EurekaAlert.org

Marijuana Legalization and Youth Marijuana, Alcohol, and Cigarette Use and Norms
American Journal of Preventive Medicine

States allow misleading claims that cannabis can treat opioid addiction
Stanford Medicine

Marijuana use while pregnant boosts risk of children’s sleep problems
University of Colorado | Boulder

Researchers identify more than 100 toxic chemicals in cannabis smoke
MedicalXpress.com

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
National Library of Medicine

Association of High-Potency Cannabis Use With Mental Health and Substance Use in Adolescence
JAMA Psychiatry

Psychiatric symptoms caused by cannabis constituents: a systematic review and meta-analysis
The Lancet Psychiatry

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
Smart Approaches to Marijuana

Recreational cannabis use impairs driving performance in the absence of acute intoxication
Science Direct

Consequences of alcohol and marijuana use among college students: Prevalence rates and attributions to substance-specific versus simultaneous use
Psychology of Addictive Behaviors

An Overview of Cannabis Use in Pregnancy
Psychiatric Times

Marijuana and Psychosis
Child Mind Institute

The Health Effects of Cannabis and Cannabinoids
National Academies of Sciences

Dangers of Marijuana Use
Surgeon General’s Report Highlights

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
National Library of Medicine

Association Between the Use of Cannabis and Physical Violence in Youths: A Meta-Analytical Investigation
The American Journal of Psychiatry

Acute effects of cannabinoids on symptoms of obsessive‐compulsive disorder: A human laboratory study
Wiley Online

Associations between Recent and Cumulative Cannabis Use and Internalizing Problems in Boys from Adolescence to Young Adulthood
Journal of Abnormal Child Psychology

Clinical Profiles of Concurrent Cannabis Use in Chronic Pain
Oxford Academic – Pain Medicine

Rats develop cannabis-seeking behavior
Medical News Today

Frequent Male Pot Use Linked to Early Miscarriages
WebMD

The Legalization of Marijuana in Colorado: The Impact
Rocky Mountain High Intensity Drug Trafficking Area

Know the Risks of Marijuana
SAMHSA

Opioid and Cannabis Co-Use among Adults with Chronic Pain
Journal of Addiction Medicine

Psychiatric symptoms caused by cannabis constituents: a systematic review and meta-analysis
The Lancet Psychiatry

Drug Psychosis May Pull the Schizophrenia Trigger
Psychiatric Times

Survey Finds Most Teenagers in Legalized States See Marijuana Promotions on Social Media
uMass.edu

Acute Mental Health Symptoms in Adolescent Marijuana Users
JAMA Pediatrics

Marijuana and Psychosis – New research in adolescents and the effect of marijuana
Psychology Today

Regular teenage pot use may significantly increase the risk of paranoia, hallucinations
ASU Now

Substance-Induced Psychosis Associated With Increased Risk of Schizophrenia, Meta-Analysis Finds
American Psychiatric Association

Cannabinoids for the treatment of mental disorders and symptoms of mental disorders: a systematic review and meta-analysis
The Lancet Psychiatry

Association Between Recreational Marijuana Legalization in the United States and Changes in Marijuana Use and Cannabis Use Disorder From 2008 to 2016
JAMA Psychiatry

A Population-Based Analysis of the Relationship Between Substance Use and Adolescent Cognitive Development
American Journal of Psychiatry

Associations between young adult marijuana outcomeand availability of medical marijuana dispensaries and storefront signage
Society for the Study of Addiction

Acute Illness Associated With Cannabis Use, by Route of ExposureAn Observational Study
Annals of Internal Medicine

The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe
The Lancet Psychiatry

Cannabis-Induced Psychosis: A Review
Psychiatric Times

Association of Cannabis Use With Adolescent Psychotic Symptoms
JAMA Psychiatry

Traditional marijuana, high‐potency cannabis and synthetic cannabinoids: increasing risk for psychosis
World Psychiatric Association

Acute Marijuana-Induced Psychosis May Predict Future Illness
Psychology Today

Cannabis use associated with an increased risk of both psychotic symptoms and schizophrenia-like psychoses
ScienceDirect

Teen Brain Volume Changes with Small Amount of Cannabis Use
The Journal of NeuroScience

 

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