Cannabis is often marketed as harmless, natural, even therapeutic. But for a subset of people—especially those with genetic vulnerability, trauma histories, or heavy daily use—cannabis can trigger something far more serious: psychosis.

Cannabis‑induced psychosis (CIP) is real, destabilizing, and deeply frightening for both the person experiencing it and the people who love them. I see it in clinical practice far more often than most people realize.

This is a short, clear look at what CIP is, how it affects families, and what can be done to prevent and treat it.