If you want to learn more about the study, you can read the full article here: Cannabis Use Disorder and Subsequent Risk of Psychotic and Nonpsychotic Unipolar Depression and Bipolar Disorder If you want to learn more about cannabis use disorder, you can visit these websites: National Institute on Drug Abuse: Marijuana World Health Organization: [...]

First, understand that if you already have unipolar depression, bipolar disorder or schizophrenia the weight of the evidence suggests that regular cannabis use can worsen your condition over time. Second, avoid regular (more than once per month) exposure to cannabis during childhood and adolescence. There is no evidence that cannabis exposure has any health or [...]