What is High-THC Marijuana?


Big Marijuana targets teens as much as Juul does. Will Arizona also sue them for it? – February 2020

Compilation of marijuana research by George Spicka 2020

Dabbing and Vaping Soar Among Colorado High School Students – August 2020

Dabbing’ Concentrated THC Is Troubling New Trend Among Teens – February 2020

E-cigarette use among young adults: A latent class analysis examining co-use and correlates of nicotine vaping and marijuana – November 2020

Even occasional marijuana use raises risk of coronavirus complications, doctors say – April 2020

Even One THC Hit Carries Risk for Inducing Psychosis – March 2020

Even when sober, frequent marijuana users are dangerous drivers – January 2020

Informed Consent: A Policy Prescription for Communicating Benefit and Risk in State Medical Marijuana Programs – 2020

Is Marijuana Addictive? National Institute on Drug Abuse July 2020

Marijuana Concentrates Spike THC Levels But Don’t Boost Impairment – CU June 2020

Marijuana Impairs Female Fertility – April 2020

Marijuana Legalization and Youth Marijuana, Alcohol, and Cigarette Use and Norms – July 2020

Marijuana – Parent UP Kansas City – Aug. 2020

Marijuana Withdrawal is Real, Study Shows – April 2020

News Stories About Adolescents Using Marijuana with Poor Outcomes – updated 2020

Older people don’t know what dabbing is – January 2020

Prevalence and Correlates of Medicinal Cannabis Use Among Adolescents – Aug. 2020

Prevalence of Cannabis Withdrawal Symptoms Among People With Regular or Dependent Use of Cannabinoids – April 2020

Risk of Persistence and Progression of Use of 5 Cannabis Products After Experimentation Among Adolescents – more addiction for high THC – Jan. 2020

Tetrahydrocannabinol: harmful even in low doses – March 2020

The Marijuana Market As An “Essential Service” Threatens Everyone – April 2020

The Truth about Gateway Drugs and Addiction – February 2020


Weed Is Not Good for Your Heart, Studies Say – AHA August 2020

Today’s Marijuana: Much More Dangerous for Kids – Smart Colorado 2020

What’s the Deal with Cannabis? – February 2020

Researchers identify more than 100 toxic chemicals in cannabis smoke – June 2020


Acute Illness Associated With Cannabis Use, by Route of Exposure – Monte Oct. 2019

Dabs, Wax, Vaping Weed, Edibles and the Real Impact of High Potency THC Products: What Parents Need to Know – September 2019

Grey Matter Volume Differences Associated with Extremely Low Levels of Cannabis Use in Adolescence – March 2019

Legalized Cannabis in Colorado Emergency Departments: A Cautionary Review of Negative Health and Safety Effects – June 2019

Monitoring the Future – The National Institute on Drug Abuse – 2019

More kids using vape pens to smoke pot, police warn – February 2019

National Institute on Drug Abuse – Is Marijuana a Gateway Drug? – December 2019

National Institute on Drug Abuse – What is Marijuana? – December 2019

National Institute on Drug Abuse – What are marijuana’s long-term effects on the brain? – December 2019

Prescription Opioid Misuse and Use of Alcohol and Other Substances Among High School Students — Jones, Youth Risk Behavior Survey YRBS, United States, 2019

Potent pot, vulnerable teens trigger concerns in first states to legalize marijuana – June 2019

Teenagers vaping marijuana at higher rates than ever before, new study says – December 2019

Teens, young adults more likely to take up marijuana if parents use it – November 2019

What to Know About Marijuana Withdrawal – Jan. 2019


America’s Invisible Pot Addicts – August 2018

Changes in cannabis potency and first-time admissions to drug treatment: A 16-year study in the Netherlands – Psychological Medicine January 2018

Marijuana: Facts Parents Need to Know – July 2018

What to call the plant, the paraphernalia, and the products (without sounding like an old hippie) – November 2018

2017 and later

Adverse Health Effects of Marijuana Use – April 2016

Cannabis Withdrawal Syndrome: Current Insights – April 2017

Marijuana Dependence and Its Treatment – Dec. 2007

Marijuana Intoxication Blamed In More Deaths, Injuries

Meta-analysis of the Association Between the Level of Cannabis Use and Risk of Psychosis –  the heavier the marijuana use, and the more potent the product, the more likely a psychotic outcome like schizophrenia – Feb. 2016

Patterns of Cannabis Use During Adolescence and Their Association with Harmful Substance Use Behaviour: Findings from a UK Birth Cohort – Oct. 2016

Relief-Oriented Use of Marijuana by Teens – April 2009

Prior use of alcohol, cigarettes, and marijuana and subsequent abuse of prescription opioids in young adults – Feb. 2013

Probability and Predictors of the Cannabis Gateway Effect: A National Study – Feb. 2015

Proportion of Patients in South London with First-Episode Psychosis Attributable to Use of High Potency Cannabis: a Case-Control Study – Lancet Feb. 2015

Review of the validity and significance of cannabis withdrawal syndrome – Nov. 2004


Teen Cannabis Use and Illicit Drug Use in Early Adulthood Linked – Science Daily June 2017

The Facts About Marijuana Concentrates – NIDA 2017

Video: Introduction to Butane Hash Oil – 2013

Video: What Commercialization is Doing to Cannabis – November 2017

What Is “Dabbing” and Why Parents Need to Worry – October 2014