Rewired realities: novel insights into the neurobiology of cannabis use disorder and psychosis

CANNABIS USE DISORDER AND PSYCHOSIS: A DEVELOPING PROBLEM
Mounting epidemiological evidence indicates that the development of cannabis use disorder (CUD) may potentiate psychosis risk. Recent large-scale studies have shown a four-fold increase over the last two decades in the proportion of schizophrenia that can be attributable to CUD in Denmark (cited in [1, 2]) and a near tripling of CUD-associated psychosis cases in Ontario [2].… Read the rest

Johnny’s Ambassadors FREE eBooks

Johnny’s Ambassadors two books, The Dangerous Truth About Today’s Marijuana: Johnny Stack’s Life and Death Story, and The Impact of THC on Our Children: A Parent’s Worst Nightmare are FREE on eBook from Aug. 20-24, 2025.

Read the August 19, 2025 Johnny’s Ambassadors Newsletter

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Impact on Mental Illness: The Role of Social Deprivation and Cannabis Use in Explaining Variation in the Incidence of Psychotic Disorders: Findings From the EU-GEI Study

In 2018, a group of European researchers observed, from a statistical analysis of the European Network of National Schizophrenia Networks Studying Gene-Environment Interactions (EU-GEI) study, that first-episode psychosis (FEP) varied widely among geographic regions in Europe. The original study appeared in the January 2018 issue ofJAMA Psychiatry.Read the rest

Parents of Children with Cannabis-Induced Psychosis (CIP) – Episode 15: It’s More Than Just a Plant

Even though THC in marijuana has not been proven to help with any psychological condition, my son obtained a marijuana card at age 18 to try to help his anxiety. He had just graduated high school with honors, participated in Cross Country and Track, volunteered at a local hospital, and worked full-time during his gap year due to the pandemic.… Read the rest

The Impact of THC on Our Children: Summary Review

by Tal Gur

What happens when a harmless puff turns into a life-altering crisis?
In The Impact of THC on Our Children: A Parent’s Worst Nightmare, Laura Stack weaves together 25 heart-wrenching narratives that shine a spotlight on the hidden dangers of today’s potent THC products—and why every parent needs to pay attention.… Read the rest