Lawmakers discuss plan to legalize psilocybin for medical treatment Ryan Voyles 9 months ago Stakeholders made the case last week to lawmakers that legalizing and regulating psilocybin could help the health and well-being of Illinoisans.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.