Are hallucinations a disease?
They may be a symptom, but they are not necessarily harmful
How have mental disorders with hallucinations been treated in the past?
A brief history of treating mental illnesses
A brief history of psychedelic research, from LSD to psilocybin
A ban long stymied what started as a promising field
What is a hallucinogen?
From psilocybin to LSD, here's what these mind-altering drugs do in our brains