In a review of previous studies, McMaster University researchers observe a stronger signal for psilocybin as a treatment for obsessive-compulsive disorder than cannabinoids.

“‘Just right’ OCD” is a nonclinical way to describe an urge to ensure things are symmetrical or “just right” that can occur in OCD. This condition can be treated with therapy or by addressing ...

“Pure O” is not a formal mental health diagnosis. It refers to a form of OCD in which people may have compulsions that involve mental rituals more so than specific actions. Although pure obsessional ...