Abstract

This paper provides the analysis of the definition of toxins from a medical aspect, as unpoisonous substance given in one dose and as a poisonous substance given in another dose. The aim of this paper is to, from physico-chemical aspect, make connection between toxins from medical aspect considered as a drug and Shakespeare’s plays. The Chinese Doctors appear to have safely andsuccessfully treated patients with cancer of the blood and bone marrow with a combination of arsenic and vitamin A, according to long-term study published in Hong Kong. With the same one with which the Friar poisoned the King Dona and then himself. So arsenic could be a poison and a remedy. In 18th century already arsenic compunds were used as a medicine. In 2000, American Ministry of Health approved the use of arsenic for treatment of the patients with cancer of the blood and bone marrow. Consideration of the toxins from the aspect of their toxic and curative properties is a very common multidisciplinary approach to the problem as an indissoluble link between the sciences.

Key words: Poison, doze, Shakespeare, arsenic, drug.