I. Introduction
II. Esophageal Disorders
1. Achalasia
III. Stomach and Small Intestine Disorders
IV. Large Intestine Disorders
V. Common Functional Gastrointestinal Motility Disorders
1. Irritable Bowel Syndrome
2. Fecal Incontinence
3. Constipation and Correlating Conditions
4. Anal Pain
VI. Medical Conditions, Age and Genetics
1. Genetic Factors
VII. Summary