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If you care about youth mental health . . .
you have to care about marijuana and THC use 2024 THC and Mental Health 2024 If you care about youth...
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Age-dependent association of cannabis use with risk of psychotic disorder
  Conclusion: This study provides new evidence of a strong but age-dependent association between...
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Trends in Substance-Related Visits Among Youth to US Children’s Hospitals, 2016–2021: An Analysis of the Pediatric Health Information System Database
A study looking at substance-related visits to children’s hospitals from 2016 to 2021. Read the...
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The Developmental Trajectory to Cannabis Use Disorder
The relationship between developmental cannabis, the impact of high potency products, and increased risk...
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Prenatal cannabis exposure linked to heightened risk of ADHD symptoms
Findings were published in the Journal of Psychiatric Research that showed that offspring exposed to...
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Pediatric Edible Cannabis Exposures and Acute Toxicity: 2017–2021
This research finds that “There has been a consistent increase in pediatric edible cannabis exposures...
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Development of an anxiety disorder following an emergency department visit due to cannabis use: a population-based cohort study
This research found that “the risk of having an incident healthcare visit for an anxiety disorder...
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Association of cannabis potency with mental ill health and addiction: a systematic review
This study found that “overall, use of higher potency cannabis, relative to lower potency cannabis,...
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Young Adult Depression and Cannabis Use: Associations Before and After Recreational Legalization
This research finds that the association between prevalence rates of young adult depression and cannabis...
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Association between cannabis use disorder and schizophrenia stronger in young males than in females
This research finds that young males may have a higher susceptibility to the effects of cannabis on the...
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Transition to Schizophrenia Spectrum Disorder Following Emergency Department Visits Due to Substance Use With and Without Psychosis
In this cohort study of 9.8 million people, individuals with an ED visit for substance-induced psychosis...
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Cannabis-Involved Emergency Department Visits Among Persons Aged <25 Years Before and During the COVID-19 Pandemic — United States, 2019–2022
ED visits involving marijuana among young persons increased during the COVID-19 pandemic and remain elevated....
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Prenatal delta-9-tetrahydrocannabinol exposure is associated with changes in rhesus macaque DNA methylation enriched for autism genes
This research finds that prenatal THC exposure alters placental and fetal DNA methylation at genes involved...
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Frequent Marijuana Use Linked to Heart Disease
Researchers found evidence that frequent cannabis use was linked to adverse health effects, including...
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The Continued Rise of Unintentional Ingestion of Edible Cannabis in Toddlers—A Growing Public Health Concern
There is a critical need for research regarding perceptions of edible cannabis, effective methods to...
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Secondhand Pot Smoke Found in Kids' Lungs
 New research found evidence of secondhand marijuana smoke and biological exposure in nearly half of...
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A geospatiotemporal and causal inference epidemiological exploration of substance and cannabinoid exposure as drivers of rising US pediatric cancer rates
A complex study with data from the CDC, DEA, Epidemiology and End Results cancer database (2003-2017),...
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Trends in intentional abuse and misuse ingestions in school-aged children and adolescents reported to US poison centers from 2000-2020
Read this study here: https://www.tandfonline.com/doi/full/10.1080/15563650.2022.2120818?cookieSet=1
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Edible Cannabis Legalization and Unintentional Poisonings in Children
Canadian data show that legalization of cannabis for adults has been associated with a significant increase...
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Association of Mental Health Burden With Prenatal Cannabis Exposure From Childhood to Early Adolescence
Prenatal cannabis exposure following the middle of the first trimester is associated with attention,...
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THC Concentration in Colorado Marijuana: Health Effects and Public Health Concerns
This report from the Colorado Department of Public Health & Environment highlights health data and...
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Rates of Prenatal Cannabis Use Among Pregnant Women Before and During the COVID-19 Pandemic
This study, from California, highlights cannabis use by pregnant people and how it seems to have increased...
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Development Over Time of the Population-Attributable Risk Fraction for Cannabis Use Disorder in Schizophrenia in Denmark
This study, based in Denmark, examines data from 1972 through 2016 and found direct associations between...
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Associations of Suicidality Trends With Cannabis Use as a Function of Sex and Depression Status
The authors report on an analysis of young adults from 01/01/2008 to 12/31/2019 from the National Surveys...
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Association of Cannabis Use During Adolescence With Neurodevelopment
The authors examined the association between cannabis use and cerebral cortex development in a longitudinal,...
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Notice of Information: Establishment of a Standard THC Unit to be used in Research
The National Institutes of Health has recognized the need for and established a standard THC unit for...
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Prevalence of Substance Use Disorders by Time Since First Substance Use Among Young People in the US
The authors examined the prevalence of Substance Use Disorder (SUD) since first drug use (tobacco, alcohol,...
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Young-adult compared to adolescent onset of regular cannabis use: A 20-year prospective cohort study of later consequences
This study followed nearly 1800 adolescents and young adults from age 15 to 35. Of that group, those...
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Association of Cannabis Use With Self-harm and Mortality Risk Among Youths With Mood Disorders
Youth with pre-existing mood disorders who also have cannabis use disorder (CUD) were found to have an...
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Effect of CBD and THC on Driving Performance: A Randomized Clinical Trial
In studying the effects of THC-dominant, THC/CBD-equivalent, and CBD-dominant cannabis on driving performance,...
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Use of Genetically Informed Methods to Clarify the Nature of the Association Between Cannabis Use and Risk for Schizophrenia
This study, along with previous models, shows we still need further research on the correlation between...
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Knowledge of THC and CBD Levels Among Cannabis Consumers in the United States and Canada
This study focuses on cannabis users, aged 16-65 years, recruited from Canada and the US, from areas...
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A large-scale genome-wide association study meta-analysis of cannabis use disorder
This study shows that there is a distinction between an inherited predisposition to cannabis use and...
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The Effects of Cannabis Use on the Development of Adolescents and Young Adults
This review summarizes evidence on the effects of cannabis use on the development of adolescents and...
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Trajectories of Nicotine and Cannabis Vaping and Polyuse From Adolescence to Young Adulthood
This study, following students into young adulthood, shows that vaping nicotine and cannabis have similar...
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Associations Between Prenatal Cannabis Exposure and Childhood Outcomes: Results From the ABCD Study
As part of the “Adolescent Brain Cognitive Development” study to evaluate the children’s cognitive and...
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Prevalence and Correlates of Medicinal Cannabis Use Among Adolescents
A study of students in grades 9-12 in Canada shows that students who reported medicinal cannabis use...
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Parents’ Marijuana Use May Increase Children’s Risk of Marijuana Use and Favorable Views of Marijuana
This study found that parents’ use of marijuana during adolescence, regardless of whether it continued...
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What Does Adolescent Substance Use Look Like During the COVID-19 Pandemic? Examining Changes in Frequency, Social Contexts, and Pandemic-Related Predictors
The authors report on alcohol and cannabis consumption among 14-18 year old adolescents in Ontario, Canada...
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Association of High-Potency Cannabis Use with Mental Health and Substance Use in Adolescence
“To our knowledge, this study provides the first general population evidence suggesting that the use...
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Input Invited on the Establishment and Implementation of a Standard Unit Dose of THC for Cannabis Research
The National Institute on Drug Abuse (NIDA) issued a Request for Information (RFI) from the research...
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Risk of Persistence and Progression of Use of 5 Cannabis Products After Experimentation Among Adolescents
This study followed 2685 adolescents with no history of heavy cannabis use. This study shows that with...
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Association between medical cannabis laws and opioid overdose mortality has reversed over time
Medical cannabis has been put forward as a solution to the US opioid overdose crisis since Bachhuber...
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The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study
While this study isn’t youth-specific (it included individuals age 18-64), the findings are still applicable...
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Association of Cannabis Use in Adolescence and Risk of Depression, Anxiety, and Suicidality in Young Adulthood
This compilation of 11 studies and 23,317 preadolescents and adolescents under age 18 showed that cannabis...
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Rates and Predictors of Conversion to Schizophrenia or Bipolar Disorder Following Substance-Induced Psychosis
Cannabis-induced psychosis (CIP) has the highest conversion rate to schizophrenia of any substance-induced...
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Meta-analysis of the Association Between the Level of Cannabis Use and Risk of Psychosis
The authors of this study investigated the association between the degree of cannabis consumption and...
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Proportion of patients in south London with first-episode psychosis attributable to use of high potency cannabis: a case–control study.
The authors obtained data from 410 patients with first-episode psychosis and 370 population controls...
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