On July 2, an article by Dr. Samuel T. Wilkinson was published in the Wall Street Journal positing that marijuana use can drastically increase one’s predisposition towards schizophrenia and other mental illnesses. Dr. Wilkinson cites research stating that teenage and early 20s use of marijuana holds a causal link to later development of schizophrenia. However, this data is simply not a credible argument against making marijuana legal. Within his own article, Dr. Wilkinson discusses the “cliff of…