The mental illness led to the father-of-three and celebrated chef to suffer hallucinations that caused him to see phantom guns and believe the television was talking to him.

Two new Canadian studies are the largest to date looking at death rates and psychosis associated with cannabis use disorder.

Do you know what bipolar disorder involves? Are you sure? Psychiatrist David Medina helps separates the myths from the facts.

Schizophrenia and major depressive disorder (MDD) may be genetically associated with increased risk for constipation but only the latter association appears to be clinically significant, according to ...

Teens have access to vastly more potent cannabis than their parents had at their age. Parents need to understand the risks, ...

It was made by Van Gogh during his stay at a psychiatric hospital in the south of France in 1889, according to experts.