Which statement regarding the relationship between cannabis and psychosis is true?
A) A relationship likely exists, and the mechanism is probably genetic.
B) There is no relationship.
C) It is an urban myth based on the 1930s film Reefer Madness.
D) Cannabis use tends to run in families but is not related to developing psychosis.

Question

Quizplus · Accepted Answer

Many studies have found a relationship between cannabis use and psychosis, with evidence suggesting a genetic mechanism. While the exact nature of this relationship remains unclear, the evidence suggests that it is not just an urban myth based on media sensationalism or "Reefer Madness." While there may be a genetic predisposition to both cannabis use and psychosis, they are still causally linked.

Which Statement Regarding the Relationship Between Cannabis and Psychosis Is