Information regarding the disease of erectile dysfunction, its treatment as well as management has been provided in this book. Erectile dysfunction is a common problem, affecting many men across all age groups. The contributions in this book have been compiled by internationally renowned experts, who have together provided a unique synthesis of information on emerging aspects of ED. This book presents novel perspectives on ED and latest developments related to fundamental knowledge that indicate directions for further research. This book discusses not only the advanced facets of ED, such as fundamental mechanism updates, etiologic factors and pharmacotherapy, but also diseases associated with ED and some future perspectives in this field.