The development of psychiatry has always been burdened by the peculiar special and dual status of this field. The psychiatrist does not necessarily have to grapple with the mind-body problem, that is, the question of how body and mind are connected; however, he must not overlook that they belong together and merge into a unity in every individual. The history of the last hundred years - psychiatry as a science is not older than that - has shown this emphatically. Even Kant did not want to hold the doctor responsible for the assessment of mental disorders, but rather the philosopher, and shortly after him, a German professor, Heinroth in Leipzig, attempted to prove with much erudition that all mental illnesses arise from unrestrained suffering and that delusional ideas stem from a sinful life. Then the pendulum swung back; with the ge.