Lawmakers discuss plan to legalize psilocybin for medical treatment Ryan Voyles 10 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.