Nausea is a complex sensation that results from the interaction of certain fixed biological factors, such as gender, with changeable psychological factors, such as anxiety. This is the first book to provide a complete, in-depth explanation of what we know about nausea, along with the latest research results on its causes and treatment. As it is the product of long-term collaboration between scientists from the three main approaches to studying and treating nausea--psychology, gastroenterology and physiology--the information this book provides in both comprehensive and well integrated.