Why/how does marijuana cause sz (500% increased risk of developing the disease)?

[Moonbeam]

Back to the OPs original question—I wonder what explains the increased risk of psychosis for cannabis users?

Cannabis users 500% more like to develop schizophrenia than someone who has never smoked it, Increased Risk from Alcohol and Other illegal Drugs Also

This is an important and large new study that again confirms the increased risk of psychosis for young people using cannabis, but also many other street drugs, including alcohol. (Note, we’ve included the full research paper at the end of this post). https://www.evernote.com/l/AGryW_Mj5EhAdqzWz7jRsmOYcTCjO_I-56kB/image.png As one researcher / clinician out of Harvard has noted: Dr. Dost Öngür, chief of the Psychotic Disorders Division at Harvard-affiliated McLean Hospital, recently presented a sweeping slide-talk on complex current issues in treating psychosis, but it was one simple line of his that most stayed with me: "I tell my students: Smoke all the pot you want — after you’re 3…