In medicine, clubbing (or digital clubbing) is a deformity of the fingers and fingernails that is associated with a number of diseases, mostly of the heart and lungs. Idiopathic clubbing can also occur. Hippocrates was probably the first to document clubbing as a sign of disease, and the phenomenon is therefore occasionally called Hippocratic fingers. Medical astrology 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. Hippocrates, the Greek physician who is regarded as the father of medicine, insisted his students study astrology, saying, "He who does not understand astrology is not a doctor but a fool." Each of the astrological signs (along with the Sun, Moon, and planets) are associated with different parts of the human body. Also, many plants are referred to in old herbals as being "under the influence of" some planet. This was used as a codification of the plants properties and used to create mixtures specific to different diseases.The associations of the signs with the parts of the body are as follows:
1. Aries - head, face, brain, eyes
2. Taurus - throat, neck, thyroid gland, vocal tract.
3. Gemini - arms, lungs, shoulders, hands, nervous system
4. Cancer - chest, breasts, stomach, alimentary canal
5. Leo - heart, chest, spine, spinal column, upper back
6. Virgo - digestive system, intestines, spleen, nervous system
7. Libra - kidneys, skin, lumbar region, buttocks
8. Scorpio - reproductive system, sexual organs, bowels, excretory system
9. Sagittarius - hips, thighs, liver, sciatic nerve
10. Capricorn - knees, joints, skeletal system
11. Aquarius - ankles, calves, circulatory system
12. Pisces - feet, toes, lymphatic system, adipose tissue
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