https://psyche.co/ideas/to-grasp-how-serotonin-works-on-the-brain-look-to-the-g… Created Wed, 04/01/2023 - 10:01 Updated Wed, 04/01/2023 - 10:01 A new perspective uses an analogy between digestion and cognition to help explain the function of a key neurochemical - by James M Shine Read at Psyche