| Five elements
theory is derived from early Taoist philosophy which divided the
world into 5 elements. Each element has certain properties and virtually
everything is slotted into a category.
The 5 elements are Wood, Fire, Earth, Metal, Water.
The 5 elements are usually presented in a circular manner showing
that each element has an intimate relationship with each of the
other elements and together make up an integrated whole. 
According to 5 elements theory as it applies in Traditional Chinese
Medicine, there are two main cycles of interest. One is the Promoting
or Generating Cycle and the other is the Controlling cycle.
Promoting/Generating Cycle
The 5 elements are arranged in the circle in a particular order.
According to the theory, Wood promotes Fire, Fire promotes Earth,
Earth promotes Metal, Metal promotes Water and Water promotes Wood.
In nature, one can see how Wood is the fuel for Fire, how burned
wood returns to the Earth, how Metal comes from the Earth, how Metal
promotes condensation and how water promotes the growth of Wood.
In Chinese Medicine, each of the major organ systems is assigned
an element. Wood is the element of the Liver, Fire is the element
of the Heart, Earth is the element of the Spleen, Metal is the element
of the Lungs, and Water is the element of the Kidneys.
A TCM diagnosis following these principals would look at the Liver
disharmonies for example in terms of the effect the Kidneys have
on it. The Kidneys (water) promote the Liver (wood). If there is
a Liver disharmony, a treatment principal might be to tonify the
Kidneys in order to promote the Liver.
The Liver is wood and promotes Fire, the Heart. If the Liver is
in excess and too much wood is put on the Heart fire, the Heart
fire flares. So, to find the root of a Heart disharmony, one may
look to the Liver.
In Acupuncture, 5 points on each channel are designated according
to the 5 elements. That is on each of the 12 channels, there is
a Wood point, a Fire point, an Earth point, a Metal point, and a
Water point. These points are all located below the elbows and the
knees, at the beginning or at the end of the Channels. Choosing
points for treatment, then following the Controlling cycle, for
Wood disharmony one chooses the Water point, for a Water disharmony,
one chooses the Metal point, and so on. If this sounds a bit confusing,
it is a bit, but with practice it becomes easier.
Controlling Cycle
The other cycle of interest is the Controlling Cycle. In this,
it is said, that certain elements control others. Again, the elements
are arranged in the same order, but this time it is said Water controls
Fire, Wood controls Earth, Fire control Metal, and Earth controls
water. From Nature, it can be seen how, Water puts out Fire, Leaves
cover the forest floor, Fire forges Metal, Earth can dam up and
direct water.
In TCM diagnosis these relationships are very important. For example,
it is said there is a close relationship between the Heart and the
Kidneys. Kidney Water cools Heart Fire and Heart Fire warms Kidney
Water and balance is maintained in the body.
There is also a close relationship between Liver/Wood and the Spleen/Earth.
Disharmonies between these two organs are very common.
Five Elements theory extends to every aspect of Traditional Chinese
Medicine. Besides the body's organs, tastes, smells, bodily fluids,
as well as seasons, foods, directions, in fact virtually everything
is assigned an element.
Of particular interest in clinical practice is the assignment of
emotions. In 5 elements theory, each of the cardinal emotions is
assigned an Element. In this way the Emotions are linked to the
5 major organ systems. That is Anger is assigned to Liver/Wood,
Joy is assigned to Heart/Fire, Worry is assigned to Spleen/Earth,
Grief is assigned to Metal/Lungs, and Fear is assigned to Kidneys/Water.
Since TCM diagnostic theory holds that emotions or Endogenous factors
are a primary cause of disease, it could be very helpful in clinic
to know that if a patient expresses Anger excessively or inappropriately,
one can suspect problems with the Liver organ system. If a patient
develops phobias, Kidney deficiency can reasonably be suspected.
Excessive grief may be treated by tonifying Lung or Metal points
and so on.
There is much more to 5 Element theory. It is found in every branch
of TCM. In clinical practice, 5 Elements theory is not actually
the main theory most practitioners use. In fact, it is not always
that useful in determining a course of treatment. But it is useful
in many ways and is one more way of looking at the world.
5 Elements Table
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