Amok (малайск., amuk, amok – mad, violent) – a twilight condition of a psychogenic or epileptic origin. Amok is characterized by sharp motive excitement (for example, impetuous run) during which the patient can make aggressive heavy actions with the subsequent amnesia.

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Stomatologists appeared relatively recently. In the 19th century to pull out painful teeth belonged to duties of the ordinary hairdresser.