I was born skeptical and am not about to change, but the 1 in 4 citation intrigued me. What harm is there in reviewing the documentation?
Most of the "growing body of evidence" is no doubt the recent "study" from New Zealand that "linked" pot use with schizophrenia. No diagnoses were made, and no causation was proved. They just submitted a questionnaire to pot smokers and asked them if the they ever felt paranoid, nervouse, etc. If the symptom they reported matched the symptoms of schizophrenia, that went down in the "pot linked to schizophrenia" column. It's junk science of the highest order, and thus perfect fodder for the Drug Warriors. As for the 1 in 4 genetic link, I have only one question: Given that marijuana is our most widely used illicit drug, where are the crazy people?
As an old friend of mine used to say "You may lead an equine quadruped to a body of the known specific gravity, but you may not forcefully induce him to partake thereof."
Your unwillingness to discuss this matter in a civil and non-insulting manner is disappointing and less than what I expect on this board. I will in the future endeavor to not respond to anything you post, as it is obvious that we disagree and that you are incapable of disagreeing in an agreeable manner. Good day.