Cannabis use after psychosis begins is associated with poorer outcomes in many studies, including concerns about symptom recurrence and treatment disruption. The relationship can involve direct effects, sleep changes, other substances and difficulties maintaining care.…Continue Reading

Cannabis dependence can involve difficulty controlling use, increasing priority given to it and continued use despite problems. Withdrawal may include irritability, sleep difficulty or other symptoms, which can complicate efforts to stop. A person may…Continue Reading

THC is the main intoxicating component of cannabis and can alter perception, memory and threat interpretation. CBD has different pharmacology and does not produce the same typical intoxicating effects. Products vary widely in their content…Continue Reading

THC can produce transient experiences such as suspiciousness, unusual perceptions or disturbed thinking. Effects vary with potency, amount, route, previous exposure and individual susceptibility. Some episodes are more severe or last beyond ordinary intoxication, requiring…Continue Reading

Research links cannabis use, particularly frequent or high-THC exposure, with increased risk of psychotic disorders. The evidence is consistent with an important contributory role, while the precise pathway and individual susceptibility vary. Many cannabis users…Continue Reading