A generally understandable overview of the most common functional, non-organic gastrointestinal disorders. Which examinations are useful? How can I positively influence my problems through diet without having to avoid too many foods? What deeper causes often underlie functional gastrointestinal disorders? Effective therapeutic options from an anthroposophically expanded medicine. How can I counteract these causes? What to do when conventional therapies do not help? Brief profiles of the most important medicinal plants for the stomach and intestines. Food tables.