N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion What determines how euphoric an opioid is? 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 #23 All (1) Like (1) D Aug 20, 2023 Dead Machination Bluelighter Messages 236 Reaction score 312 Points 0 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion What determines how euphoric an opioid is?