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

Parents of Children with Cannabis-Induced Psychosis (CIP) – Episode 19: She believed the lie

When my daughter was a college freshman, she was living at home, working, and taking classes toward her bachelor’s degree in psychology. She was always an artistic, extremely bright, and level-headed girl. Aside from the typical “bumps” in the road as a teenager, we enjoyed a close relationship as a family: going to church on Sundays, visiting theme parks, seeing movies, and traveling together often. All… 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