Posted in Web The Bright and Dark Sides of Ketamine – Psychology Today September 13, 2024 Ketamine The Bright and Dark Sides of Ketamine Off-label unsupervised use of ketamine is a risk to many besides Matthew Perry. Updated March 18, 2026 | Reviewed by Hara Estroff Marano https://www.psychologytoday.com/us/blog/addiction-outlook/202409/the-bright-and-dark-sides-of-ketamine