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Some dictionaries define hysteria as a neurological disease of uncontrolled emotions caused by excessive fear or joy. There are also those who say that it is possesion by a spirit.
This disease cannot be diagnosed through blood or urine tests, x-ray, etc. However, through a special form of treatment it may be determined as an element of 'disturbance' that causes the patient to speak nonsense, to undergo a voice change, to laugh, to cry, wail, to have exceptional strength, red eyes, etc.
How can it be treated and prevented? It is hoped that this book can provide the answers.