Pubdate: Thu, 21 Jun 2018 Source: Wall Street Journal (US) Copyright: 2018 Dow Jones & Company, Inc. Contact: http://www.wsj.com/ Details: http://www.mapinc.org/media/487 Author: Stanley A. Cook, Ph.D. MARIJUANA DANGEROUS TO MENTAL HEALTH What's understated is the potential major negative health effects, particularly in connection with developing brains (into the middle 20s), such as permanently impairing brain functioning and cognition and increasing the likelihood of serious psychotic disorders like schizophrenia, bipolar disorder and paranoia. Is severely damaging the health of our nation's youth and causing major injury to society worth tax revenue and income to the self-serving marijuana industry? Stanley A. Cook, Ph.D. McLean, Va.