Dr. Walker focuses attention on this forgotten part of the body. He leads the reader on a tour of each vital organ, explaining how it is affected aby the condition of the large intestine and the colon. Dr. Walker estimated that 80% of all disease begins in the colon. Learn how, through proper care of the colon, to prevent and experience relief from constipation, asthma, colds, allergies, respiratory disorders, digestive problems and numerous other ailments.