Hallucinogens and Psychedelics
CNS Stimulants: Psychedelic Agents
Altered States of Awareness
An Overview of Psychoactive Drugs
Psychological and Sociocultural Causes of Schizophrenia
Stress and Mental Health
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: May 8, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
Published on: August 18, 2020
Teri S Krebs1, Pål-Ørjan Johansen
1Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
Lifetime psychedelic use, including LSD and psilocybin, was not associated with increased mental health problems in adults. This study found no evidence that psychedelics are an independent risk factor for mental health issues.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: