Psychedelic mushrooms could affect the brain long after their active ingredient leaves the system

New research shows that the active ingredient in hallucinogenic mushrooms, called psilocybin, could affect the brain long after it has left the user’s system. To date, most studies of this type focused on the acute effects of psilocybin — or how the brain functioned while under the influence of the drug. In this study, published in the journal Scientific Reports, researchers instead looked at the enduring effects of the drug. According to Fredrick S. Barrett, an assistant professor