*Edited by Theodoros Aslanidis and Christos Nouris*

The autonomic nervous system (ANS) is a subsystem of the nervous system that possesses several levels (groups) for receiving, transmitting, generating, and processing information. This book presents a comprehensive overview of the ANS, including chapters on the role of the ANS in a healthy lifestyle, the ANS–stress relationship, general anesthesia and the ANS, signaling pathways, and more.
