Circular zodiac chart


  • Intro

    Most medieval ideas about medicine were based on ancient works, namely those of Greek physicians Galen (AD 129-216) and Hippocrates (460BC-370BC). These ideas set out a theory of the human body relating to the four elements (earth, air, fire and water) and to four bodily humours (blood, phlegm, yellow bile and black bile). During the medieval period, astrologers believed that the movements of the stars influenced numerous things on earth, from the weather and the growth of crops to the personalities of new born babies and the inner workings of the human body.


    Ancient studies of astrology were translated from Arabic to Latin in the 12th and 13th centuries and soon became part of everyday medical practice in Europe. By the end of the 1500s, physicians across Europe were required by law to calculate the position of the moon before carrying out complicated medical procedures, such as surgery or bleeding.

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