This volume provides an up-to-date account of the achievements pertaining to the application of capsaicin and capsaicin-like molecules in the therapy of various human ailments such as pain, non-allergic rhinitis, obesity, tumors, and gastrointestinal, dermatologic, and urologic disorders. It discusses the basic functions of the capsaicin receptor (TRPV1), its mechanisms of action, and its role in physiological and pathological processes. The text focuses on the most recent progress in the use of capsaicin and capsaicin-like molecules as a therapeutic agent and highlights potential pharmaceutical implications of further TRPV1 research. The chapters are written by noted experts in their fields of endeavor. This book offers both clinicians and researchers valuable resource and reference material on the subject that will stimulate future research.