I like to collect cannabis medical studies. Here's a selection out of my collection.

Symptoms of schizotypy precede cannabis use.
UKCIA forum :: Research :: Symptoms of schizotypy precede cannabis use.

Cannabidiol as an antipsychotic
Clinical Studies and Case Reports

Delta-9-Tetrahydrocannabinol-Induced Effects on Psychosis and Cognition
Unbound MEDLINE | An Experimental Study of Catechol-O-Methyltransferase Val(158)Met Moderation of Delta-9-Tetrahydrocannabinol-Induced Effects on Psychosis and Cognition. Journal article

Cannabis is a First-Line Treatment for Childhood Mental Disorders
Dr. Tod Mikuriya: Cannabis as a Frontline Treatment for Childhood Mental Disorders

Cannabis does not induce schizophrenia,
Cannabis does not induce schizophrenia, Dutch scientists say

Cannabis use does not cause schizophrenia
Cannabis use does not cause schizophrenia

Cannabinoids and psychosis.
Cannabinoids and psychosis. [Int Rev Neurobiol. 2007] - PubMed Result

Cannabis as a psychotropic medication
Cannabis as a psychotropic medication -- Chaturvedi 185 (1): 78 -- The British Journal of Psychiatry

Study Shows Long Term Marijuana Users Healthy
Erowid Cannabis Vault : Health Effects : Study #3

Cannabis and schizophrenia link blurs further
Cannabis and schizophrenia link blurs further - health - 16 April 2005 - New Scientist

Evidence does not show a strong causal relation between the use of cannabis and psychosocial harm
NLH - Mental Health - Aetiology - Review: current evidence does not show a strong causal relation between the use of cannabis in young people and psychosocial harm

No Increased Schizophrenia Risk With Use Of Cannabis
No Increased Schizophrenia Risk With Use Of Cannabis: The Hempire - [cannabis, legalise]

My family also has psychological issues. Mom was bipolar- I have a touch of it too. Cannabis keeps me more leveled out. - Granny:hippy:
Storm Crow Reviewed by Storm Crow on . Weed and Schizophrenia I have a 23 year old nephew who was diagnosed paranoid schizophrenic almost ten years ago. He has been mostly in remission except in recent weeks. I know nothing of his history of illegal drug use but my impression is that it is slim to none. In reading at schizophrenia.com I came across a page which indicates that the author(s) of that site believe that marijuana is often implicated in helping to bring that disease to expression. I have not read widely at that site but what I have read so Rating: 5