There is “no statistically significant increase” in psychosis-related diagnoses in states that have legalized marijuana compared to those that continue to criminalize cannabis, a new study published by the American Medical Association concluded. Researchers at Stanford University, the University of Pennsylvania and the U.S. Department of Veterans Affairs (VA) carried out an analysis of more … Continue reading Marijuana Legalization Not Associated With Increased Rates Of Psychosis, American Medical Association Study Of 63 Million People Finds