N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion "Mental illness is caused (primarily) by drug use" JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #4 All (1) Like (1) Jan 2, 2020 Twilight222 Bluelighter · From Southern Cali Messages 85 Reaction score 53 Points 20 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion "Mental illness is caused (primarily) by drug use"