(Anastassiya Bezhekeneva/Getty Images) A large umbrella review has found no strong evidence to date that medicinal cannabis ...

A massive study of 700,000 medical records reveals that teenagers with cannabis use disorder face a 52% higher risk of schizophrenia compared to those using other substances.

Marijuana doesn’t help with anxiety, PTSD, depression or other mental health conditions, according to two large, new studies.

People frequently use medical cannabis to treat anxiety, depression and PTSD, but two new reviews show there is little ...

Researchers link glymphatic system (brain waste-clearance) dysfunction in childhood to the future development of psychosis and chemical imbalances.

Increasing numbers of Australians are using medicinal cannabis for anxiety, depression, insomnia, substance disorders and ...

A large international study reports no overlap between the biological signatures of early depression and psychosis.

Teens who used marijuana in the last year had a significantly higher likelihood of developing a psychotic disorder, according to new research published Wednesday. The study, conducted by researchers ...

Hippocampal alterations appear to be a common trait shared across the spectrum of psychotic disorders, new research suggests. Investigators found reductions in hippocampal volume and its subfields not ...

As I wrote in a previous post, there are six specific conditions within the Schizophrenia and Related Conditions (AKA psychotic disorders) chapter of the Diagnostic and Statistical Manual of Mental ...

Psychosis is when a person loses touch with reality. This is the definition most recognized by the general public, and yes, it's simplistic and reductionistic. A more deeply textured definition would ...