Saving Our Youth from the Harms of THC
THC is a psychoactive substance that damages brain function—the polar opposite of medicine. While useful drugs like cannabidiol and dronabinol were derived from cannabis, and even approved for medical use by the Food and Drug Administration, they owe their medicinal effects to the herb’s non-psychoactive components, like CBD.… Read the rest
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
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
It’s well established that cannabis use can trigger psychosis in young people susceptible to schizophrenia. Until January 2025,however, the origins of this trigger mechanism remained a mystery. With the publication of a new study by members of Canada’s McGill University Department of Psychiatry in the journal JAMA Psychiatry, this mechanism has become clearer — suggesting, among other things, new avenues for the development of medications to treat those with cannabis psychosis and related disorders.… Read the rest
By Laura Stack
Vaping was supposed to be a good thing. We know better now.
Some clever person invented electronic cigarettes—little vaping pens that heated nicotine-infused liquid and released it as a vapor (technically an aerosol), rather than smoke. Initially, vaping was perceived as a safer way to ingest nicotine; indeed, it was going to help many people quit smoking cigarettes.… Read the rest
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
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 rest
Report And Recommendations of the High Potency Cannabis Think Tank to the State of California
In October 2024, the state of California released a study that reviewed the impact of high-potency marijuana in their state: “Report And Recommendations of the High Potency Cannabis Think Tank to the State of California.”… Read the rest
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
Cannabis is a genus of flowering plant. Cannabis has hundreds of species or strains. Some cannabis plants are classified as marijuana, which are drug varieties. Some cannabis plants are classified as hemp, which are not drug varieties.
How do you know if it’s marijuana or hemp?… Read the rest