Medical astrology

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A 1410 illustration of Zodiac Man (homo signorum) showing the anciently held link between the 12 signs of the Zodiac and the various parts of the body

Medical astrology (traditionally known as iatromathematics) is an ancient medical system that associates various parts of the body, diseases, and drugs as under the influence of the sun, moon, and planets, along with the twelve astrological signs. Each of the astrological signs (along with the sun, moon, and planets) is associated with different parts of the human body.[1]


This table, from an 18th-century Icelandic manuscript, links astrological dates with the preparation of medicine.

Medical astrology posits the association of each sign of the zodiac with parts of the body, and was already mentioned by Marcus Manilius (1st century AD) in his epic poem (8000 verses) Astronomica. The signs of the zodiac were believed to preside over the parts of the body, covering the body from head (Aries) to toe (Pisces), as follows:[2]

The Western astrological planets are also associated with certain portions and functions within the body (though their rulerships have often been disputed within certain subcurrents of medical astrology, such as tongue for Venus or Mercury, and nose for either Mars or Venus with Saturn):

The anatomical-astrological human
  • Sun – heart, eyes, circulatory system, upper back, vitality
  • Moon – stomach, breasts, cheeks, lymphatic system, digestive system, womb, glandular tissue, circadian rhythm, mood cycle, inherited health
  • Mercury – brain, nervous system, lungs, arms, hands, bowels
  • Venus – neck, kidneys, thymus gland, lips, chin, cheeks, palate, eustachian tubes
  • Mars – muscles, testicles, phallus, sinews
  • Jupiter – liver, fat, adrenals, thighs, feet, sciatic nerves
  • Saturn – skin, hair, teeth, bones, joints, knees, spleen

Novel associations not made until the incorporation of those planets into astrology and the rebirth of medical astrology:

  • Chiron – trauma
  • Uranusparathyroid gland, excitation, attention span, triggers, spasms, nerve damage
  • Neptunepineal gland, mucus, lymphatic system, allergies, infections, intoxication, anaesthetics, drugs in general and addiction, receptivity to medication, stupor, ego death, imprinting and mirroring, placebo effect, spiritual experiences
  • Plutopancreas, elimination, tics, anxiety, panic, obsession and compulsion, stoppage mechanisms (e.g. speech and learning disorders, neurodevelopmental disorders in general, destruction of senescent cells), DNA damage, inherited diseases

After examining an individual's natal chart, a medical astrologer may give advice to the client about the areas of the body in which they are most likely to experience trouble. For instance, an individual with the Sun, Moon, Ascendant, or many planets in the sign of Aries is presumed to have more headaches than other people because of the association of Aries with the head. A person with Taurus strong in the natal chart is predicted to have many sore throats and problems with the voice because of the Taurean association with that particular part of the body.[citation needed]


See also[edit]


  1. ^ "Activities With Astrology". Astronomical society of the Pacific. 
  2. ^ "Rulerships and Qualities: Anatomy and Physiology Correlated to the Zodiac". The Rosicrucian Fellowship. Retrieved 2011-06-19.