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 #53 All (1) Like (1) Oct 3, 2023 DeathIndustrial88 Bluelighter · From The Land Of Nod Messages 3,682 Reaction score 4,565 Points 120 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion What determines how euphoric an opioid is?