Chinese Medical Theory: Yin/Yang and Organs
by Kate Henderson, L.Ac.
Chinese medical theorists from the last two thousand years have written about the functions of the organs in the body and how to affect them with acupuncture and herbs. Based on Taoist theory of yin and yang as well as thousands of years of applied practice, Chinese medicine suggests that all functions of the body have a yin and a yang component. A person can be diagnosed according to these principles by assessing all of their bodily signs and symptoms. Some of this is done by asking the patient questions, and some of this is done by observation: looking at the complexion, observing how the person interacts with others (irritable, jumpy, lethargic, talkative, restless), taking the pulse on both radial arteries and observing its qualities in different positions (overall, is the pulse forceful? is it hard to find? is it deep or at the surface when you place your fingers there? and are the qualities different at the three different pulse positions at each side?), and checking the tongue for different phenomena such as redness, paleness, coating, or cracks.
Yang:
Inflammation, redness, forcefulness, restlessness, and excessive energy indicate conditions that are more yang in nature. This means that rather than the body balancing itself by maintaining an appropriate amount of energy and being able to rest when necessary and rejuvenate itself in a balanced daily cycle, it stays active past the point of appropriateness. The body stays in a sympathetic “fight or flight” mode for too long, causing problems such as insomnia, anxiety, and eventually exhaustion.
Yin:
Lethargy, the need for excessive amounts of sleep, lack of energy and animation (someone who seems listless, speaks quietly, lack of expression) indicate conditions that are more yin in nature. The body imbalanced by excessive yin stays in a parasympathetic “rest and digest” mode an inappropriate amount.
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