American Medical Association Study of 63 Million People Finds No Link Between Marijuana Legalization and Increased Rates of Psychosis
A new study published in the Journal of the American Medical Association (JAMA) Psychiatry has concluded that there is “no statistically significant increase” in psychosis-related diagnoses in states that have legalized marijuana compared to those that continue to criminalize cannabis. The research team, led by scientists from Stanford University, the University of Pennsylvania and the U.S. Department of Veterans Affairs …