This book is being published at a time when opioid receptors have recently been cloned. The structural characteristics of opioid receptors and the recent advanc

The interest in opioids such as morphine, the prototypical opioid ligand, has been maintained through the years. The identification of endogenous opioids and th

Recent scientific advances have provided substantial information on the brain circuits and pathways relevant to various aspects of dependence. Neurobiology of A

Pituitary Adenylate Cyclase-Activating Polypeptide is the first volume to be written on the neuropeptide PACAP. It covers all domains of PACAP from molecular an

Advances in itch research have elucidated differences between itch and pain but have also blurred the distinction between them. There is a long debate about how