Serotonin is a neurotransmitter known for its role in treating depression. This video offers an animated description of Serotonin, and its both positive and negative effects. Timeline: 00:03 introduction 00:47 Synthesis and release of Serotonin 01:15 role of serotonin in depression 01:59 serotonin syndrome 02:18 Nonpharmacologic methods