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Qi and Chinese Medicine

In traditional Chinese medicine, a healthy body and mind require the balancing of two forces, yin and yang. Yin (moon) is the receptive, passive, cold force. Yang (sun) is the force of movement and heat. The yin-yang symbol represents the ancient Chinese prescription for good health: bringing a person's yin and yang into harmony.

Chinese symbols for health

The harmonizing of yin and yang in the body results in an energy called qi (pronounced "chee"). Qi circulates through the body, providing warmth and protecting against illness. Babies are said to receive qi from their parents before birth. Qi also comes from the food people eat and the air they breathe.

How does traditional Chinese medicine detect illness?
Doctor inspecting tongueHealth is achieved through a delicate balance, according to doctors of Chinese medicine. If a person's qi is blocked, the balance between the body's yin and yang disappears. A medical examination can detect this imbalance. To determine the pattern of disharmony and suggest an appropriate treatment, Chinese doctors use four diagnostic tools: looking, listening and smelling, asking, and touching.

The doctor assesses the patient's appearance, complexion, posture, and facial expression. The most important element of looking, though, is inspecting the patient's tongue for changes in its shape, color, or coating. By listening and smelling (in Chinese the two are one word), practitioners of traditional Chinese medicine say they can identify disease in the way a patient breathes, coughs, and speaks. Certain body odors can also suggest specific illnesses.

Checking pulseThe doctor asks a variety of questions to learn about a patient's medical history, lifestyle, and symptoms. For example, is the patient hot? cold? hungry? thirsty? perspiring?

Various points on a patient's body are examined to detect swelling or soreness. Doctors often check a patient's pulse at three locations on each wrist and record up to 28 different pulse qualities; each one reflects a particular type of imbalance.





Credits: Tongue depresser © Yoav Levy/Phototake; taking a pulse © Robert Rathe/Stock, Boston Inc./PictureQuest.


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These topics correspond to chapters in the Patterns of Interaction series (McDougal Littell, 2005).