1 Introduction.- 2 Fasting - Asceticism.- 3 Eating and Eating Behavior.- 4 The Concept of Body Image and Its Changes...- 5 Biological Aspects.- 6 Bulimia - A Subgroup of Anorexia or a Separate Disease?.- 7 Obesity.- 8 Common Elements in Dyscontrol Syndromes.- 9 Psychodynamic Viewpoints of the Dyscontrol Syndromes and of Anorexia Nervosa in Particular.- 10 Some Impressive Issues of Bizarre Character in the Life of Anorectics.- 11 Treatment.- Epilogue.