This second edition provides new and updated chapters detailing all major elements of the ECB system. Chapters guide readers through identification of drug targets, electrophysiology, computational chemistry, and machine learning. Written in the successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible protocols, and notes on troubleshooting and avoiding known pitfalls. Comprehensive and cutting-edge, Endocannabinoid Signaling: Methods and Protocols, Second Edition is a valuable resource for all researchers interested in learning more about this important and developing field.