N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Melatonin enhances rewarding effects and lowers tolerance of Morphine 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 #7 All (1) Like (1) Jan 17, 2020 Valentine4 Bluelighter Messages 76 Reaction score 12 Points 280 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Melatonin enhances rewarding effects and lowers tolerance of Morphine