Recent psychiatric research indicates that people who suffer from either psychosis spectrum disorders or Cannabis Use Disorder (CUD) have increased suicide risks. Also, it has become clear that schizophrenia occurs more often among those with CUD than it does for those without it.… Read the rest
Johnny Stack’s Six-Year Angelversary
Nearly six years ago, on November 20, 2019, my beloved 19-year-old son, Johnny, took his life. As many of you know, he had a psychotic episode from using high-potency THC concentrates. I can’t believe it’s been six years. So much has happened.… Read the rest
Not Your Average Hazard: Cannabis Use, Psychosis, and the Youthful Brain
In a recent article in the journal Psychiatric Times, doctors Nancy Shenoi and Richa Vijayvarjiya summarized the mental-health hazards of cannabis use among young people.
Many young users don’t understand the risks cannabis poses to their brains, due largely to the increasing perception of “weed” as relatively safe.… Read the rest
Parents of Children with Cannabis-Induced Psychosis (CIP) – Episode 22: Everything started with THC
My son Jesse was always highly sensitive, kind, empathic, articulate, and affectionate. He loved physical activity, lived for social connection, and was a gifted musician. Everyone loved Jesse, and he had wholesome, beautiful friends.
In the last two years of high school, he was diagnosed as ADD and given medication.… Read the rest
NEW Presentation by Laura Stack for Older High School and Higher Education Students!
Laura has developed a new THC prevention presentation for young people ages 16 to 22, for junior/senior high school and college students. This was developed by popular demand due to the rampant use of THC in college and the misnomer that it’s safe (the brain is still forming until 25-30 years old).… Read the rest
Parents of Children with Cannabis-Induced Psychosis (CIP) – Episode 20: He became very angry
At 15, before his THC use, our middle son was happy-go-lucky, clever, handsome, and funny. Beloved by his family, with tons of friends. By 17, he became very angry and started isolating. We tried to talk to him, but he refused to engage.… Read the rest
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
… Read the restParents of Children with Cannabis-Induced Psychosis (CIP) – Episode 18: His life revolved around THC
My son started using marijuana at the age of 15.
Before any judgment begins, yes, we always had conversations about drugs. My son grew up in a home without drugs, alcohol, or smoking.
In 2015, he left for college in Oklahoma, and unbeknownst to me, obtained a medical marijuana card online.… Read the rest